Files
clang-p2996/llvm/test/CodeGen/RISCV/float-convert.ll
Alex Bradbury 3d2650bdeb [RISCV] Use addi rather than addiw for immediates materialised by lui+addi(w) pairs when possible (#141663)
The logic in RISCVMatInt would previously produce lui+addiw on RV64
whenever a 32-bit integer must be materialised and the Hi20 and Lo12
parts are non-zero. However, sometimes addi can be used equivalently
(whenever the sign extension behaviour of addiw would be a no-op). This
patch moves to using addiw only when necessary. Although there is
absolutely no advantage in terms of compressibility or performance, this
has the following advantages:
* It's more consistent with logic used elsewhere in the backend. For
instance, RISCVOptWInstrs will try to convert addiw to addi on the basis
it reduces test diffs vs RV32.
* This matches the lowering GCC does in its codegen path. Unlike LLVM,
GCC seems to have different expansion logic for the assembler vs
codegen. For codegen it will use lui+addi if possible, but expanding
`li` in the assembler will always produces lui+addiw as LLVM did prior
to this commit. As someone who has been looking at a lot of gcc vs clang
diffs lately, reducing unnecessary divergence is of at least some value.
* As the diff for fold-mem-offset.ll shows, we can fold memory offsets
in more cases when addi is used. Memory offset folding could be taught
to recognise when the addiw could be replaced with an addi, but that
seems unnecessary when we can simply change the logic in RISCVMatInt.

As pointed out by @topperc during review, making this change without
modifying RISCVOptWInstrs risks introducing some cases where we fail to
remove a sext.w that we removed before. I've incorporated a patch based
on a suggestion from Craig that avoids it, and also adds appropriate
RISCVOptWInstrs test cases.

The initial patch description noted that the main motivation was to
avoid unnecessary differences both for RV32/RV64 and when comparing GCC,
but noted that very occasionally we see a benefit from memory offset
folding kicking in when it didn't before. Looking at the dynamic
instruction count difference for SPEC benchmarks targeting rva22u64 and
it shows we actually get a meaningful
~4.3% reduction in dynamic icount for 519.lbm_r. Looking at the data
more closely, the codegen difference is in `LBM_performStreamCollideTRT`
which as a function accounts for ~98% for dynamically executed
instructions and the codegen diffs appear to be a knock-on effect of the
address merging reducing register pressure right from function entry
(for instance, we get a big reduction in dynamically executed loads in
that function).

Below is the icount data (rva22u64 -O3, no LTO):
```
Benchmark                Baseline            This PR   Diff (%)
============================================================
500.perlbench_r         174116601991    174115795810     -0.00%
502.gcc_r               218903280858    218903215788     -0.00%
505.mcf_r               131208029185    131207692803     -0.00%
508.namd_r              217497594322    217497594297     -0.00%
510.parest_r            289314486153    289313577652     -0.00%
511.povray_r             30640531048     30640765701      0.00%
519.lbm_r                95897914862     91712688050     -4.36%
520.omnetpp_r           134641549722    134867015683      0.17%
523.xalancbmk_r         281462762992    281432092673     -0.01%
525.x264_r              379776121941    379535558210     -0.06%
526.blender_r           659736022025    659738387343      0.00%
531.deepsjeng_r         349122867552    349122867481     -0.00%
538.imagick_r           238558760552    238558753269     -0.00%
541.leela_r             406578560612    406385135260     -0.05%
544.nab_r               400997131674    400996765827     -0.00%
557.xz_r                130079522194    129945515709     -0.10%

```

The instcounting setup I use doesn't have good support for drilling down
into functions from outside the linked executable (e.g. libc). The
difference in omnetpp all seems to come from there, and does not reflect
any degradation in codegen quality.

I can confirm with the current version of the PR there is no change in
the number of static sext.w across all the SPEC 2017 benchmarks
(rva22u64 O3)

Co-authored-by: Craig Topper <craig.topper@sifive.com>
2025-06-02 22:24:50 +01:00

2268 lines
72 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \
; RUN: -target-abi=ilp32f | FileCheck -check-prefixes=CHECKIF,RV32IF %s
; RUN: llc -mtriple=riscv64 -mattr=+f -verify-machineinstrs < %s \
; RUN: -target-abi=lp64f | FileCheck -check-prefixes=CHECKIF,RV64IF %s
; RUN: llc -mtriple=riscv32 -mattr=+zfinx -verify-machineinstrs < %s \
; RUN: -target-abi=ilp32 | FileCheck -check-prefixes=CHECKIZFINX,RV32IZFINX %s
; RUN: llc -mtriple=riscv64 -mattr=+zfinx -verify-machineinstrs < %s \
; RUN: -target-abi=lp64 | FileCheck -check-prefixes=CHECKIZFINX,RV64IZFINX %s
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32I %s
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64I %s
define i32 @fcvt_w_s(float %a) nounwind {
; CHECKIF-LABEL: fcvt_w_s:
; CHECKIF: # %bb.0:
; CHECKIF-NEXT: fcvt.w.s a0, fa0, rtz
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fcvt_w_s:
; CHECKIZFINX: # %bb.0:
; CHECKIZFINX-NEXT: fcvt.w.s a0, a0, rtz
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_w_s:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __fixsfsi
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_w_s:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __fixsfsi
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = fptosi float %a to i32
ret i32 %1
}
define i32 @fcvt_w_s_sat(float %a) nounwind {
; CHECKIF-LABEL: fcvt_w_s_sat:
; CHECKIF: # %bb.0: # %start
; CHECKIF-NEXT: fcvt.w.s a0, fa0, rtz
; CHECKIF-NEXT: feq.s a1, fa0, fa0
; CHECKIF-NEXT: seqz a1, a1
; CHECKIF-NEXT: addi a1, a1, -1
; CHECKIF-NEXT: and a0, a1, a0
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fcvt_w_s_sat:
; CHECKIZFINX: # %bb.0: # %start
; CHECKIZFINX-NEXT: fcvt.w.s a1, a0, rtz
; CHECKIZFINX-NEXT: feq.s a0, a0, a0
; CHECKIZFINX-NEXT: seqz a0, a0
; CHECKIZFINX-NEXT: addi a0, a0, -1
; CHECKIZFINX-NEXT: and a0, a0, a1
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_w_s_sat:
; RV32I: # %bb.0: # %start
; RV32I-NEXT: addi sp, sp, -32
; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s0, a0
; RV32I-NEXT: lui a1, 847872
; RV32I-NEXT: call __gesf2
; RV32I-NEXT: mv s2, a0
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __fixsfsi
; RV32I-NEXT: mv s1, a0
; RV32I-NEXT: lui s3, 524288
; RV32I-NEXT: bgez s2, .LBB1_2
; RV32I-NEXT: # %bb.1: # %start
; RV32I-NEXT: lui s1, 524288
; RV32I-NEXT: .LBB1_2: # %start
; RV32I-NEXT: lui a1, 323584
; RV32I-NEXT: addi a1, a1, -1
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __gtsf2
; RV32I-NEXT: blez a0, .LBB1_4
; RV32I-NEXT: # %bb.3: # %start
; RV32I-NEXT: addi s1, s3, -1
; RV32I-NEXT: .LBB1_4: # %start
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: mv a1, s0
; RV32I-NEXT: call __unordsf2
; RV32I-NEXT: snez a0, a0
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: and a0, a0, s1
; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 32
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_w_s_sat:
; RV64I: # %bb.0: # %start
; RV64I-NEXT: addi sp, sp, -48
; RV64I-NEXT: sd ra, 40(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 32(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s2, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s3, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s0, a0
; RV64I-NEXT: lui a1, 847872
; RV64I-NEXT: call __gesf2
; RV64I-NEXT: mv s2, a0
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __fixsfdi
; RV64I-NEXT: mv s1, a0
; RV64I-NEXT: lui s3, 524288
; RV64I-NEXT: bgez s2, .LBB1_2
; RV64I-NEXT: # %bb.1: # %start
; RV64I-NEXT: lui s1, 524288
; RV64I-NEXT: .LBB1_2: # %start
; RV64I-NEXT: lui a1, 323584
; RV64I-NEXT: addi a1, a1, -1
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __gtsf2
; RV64I-NEXT: blez a0, .LBB1_4
; RV64I-NEXT: # %bb.3: # %start
; RV64I-NEXT: addiw s1, s3, -1
; RV64I-NEXT: .LBB1_4: # %start
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: mv a1, s0
; RV64I-NEXT: call __unordsf2
; RV64I-NEXT: snez a0, a0
; RV64I-NEXT: addi a0, a0, -1
; RV64I-NEXT: and a0, a0, s1
; RV64I-NEXT: ld ra, 40(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 32(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s2, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s3, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 48
; RV64I-NEXT: ret
start:
%0 = tail call i32 @llvm.fptosi.sat.i32.f32(float %a)
ret i32 %0
}
declare i32 @llvm.fptosi.sat.i32.f32(float)
define i32 @fcvt_wu_s(float %a) nounwind {
; CHECKIF-LABEL: fcvt_wu_s:
; CHECKIF: # %bb.0:
; CHECKIF-NEXT: fcvt.wu.s a0, fa0, rtz
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fcvt_wu_s:
; CHECKIZFINX: # %bb.0:
; CHECKIZFINX-NEXT: fcvt.wu.s a0, a0, rtz
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_wu_s:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __fixunssfsi
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_wu_s:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __fixunssfsi
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = fptoui float %a to i32
ret i32 %1
}
; Test where the fptoui has multiple uses, one of which causes a sext to be
; inserted on RV64.
define i32 @fcvt_wu_s_multiple_use(float %x, ptr %y) nounwind {
; CHECKIF-LABEL: fcvt_wu_s_multiple_use:
; CHECKIF: # %bb.0:
; CHECKIF-NEXT: fcvt.wu.s a0, fa0, rtz
; CHECKIF-NEXT: seqz a1, a0
; CHECKIF-NEXT: add a0, a0, a1
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fcvt_wu_s_multiple_use:
; CHECKIZFINX: # %bb.0:
; CHECKIZFINX-NEXT: fcvt.wu.s a0, a0, rtz
; CHECKIZFINX-NEXT: seqz a1, a0
; CHECKIZFINX-NEXT: add a0, a0, a1
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_wu_s_multiple_use:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __fixunssfsi
; RV32I-NEXT: seqz a1, a0
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_wu_s_multiple_use:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __fixunssfsi
; RV64I-NEXT: seqz a1, a0
; RV64I-NEXT: add a0, a0, a1
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%a = fptoui float %x to i32
%b = icmp eq i32 %a, 0
%c = select i1 %b, i32 1, i32 %a
ret i32 %c
}
define i32 @fcvt_wu_s_sat(float %a) nounwind {
; RV32IF-LABEL: fcvt_wu_s_sat:
; RV32IF: # %bb.0: # %start
; RV32IF-NEXT: fcvt.wu.s a0, fa0, rtz
; RV32IF-NEXT: feq.s a1, fa0, fa0
; RV32IF-NEXT: seqz a1, a1
; RV32IF-NEXT: addi a1, a1, -1
; RV32IF-NEXT: and a0, a1, a0
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_wu_s_sat:
; RV64IF: # %bb.0: # %start
; RV64IF-NEXT: fcvt.wu.s a0, fa0, rtz
; RV64IF-NEXT: feq.s a1, fa0, fa0
; RV64IF-NEXT: seqz a1, a1
; RV64IF-NEXT: addi a1, a1, -1
; RV64IF-NEXT: and a0, a0, a1
; RV64IF-NEXT: slli a0, a0, 32
; RV64IF-NEXT: srli a0, a0, 32
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_wu_s_sat:
; RV32IZFINX: # %bb.0: # %start
; RV32IZFINX-NEXT: fcvt.wu.s a1, a0, rtz
; RV32IZFINX-NEXT: feq.s a0, a0, a0
; RV32IZFINX-NEXT: seqz a0, a0
; RV32IZFINX-NEXT: addi a0, a0, -1
; RV32IZFINX-NEXT: and a0, a0, a1
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_wu_s_sat:
; RV64IZFINX: # %bb.0: # %start
; RV64IZFINX-NEXT: fcvt.wu.s a1, a0, rtz
; RV64IZFINX-NEXT: feq.s a0, a0, a0
; RV64IZFINX-NEXT: seqz a0, a0
; RV64IZFINX-NEXT: addi a0, a0, -1
; RV64IZFINX-NEXT: and a0, a1, a0
; RV64IZFINX-NEXT: slli a0, a0, 32
; RV64IZFINX-NEXT: srli a0, a0, 32
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_wu_s_sat:
; RV32I: # %bb.0: # %start
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s0, a0
; RV32I-NEXT: li a1, 0
; RV32I-NEXT: call __gesf2
; RV32I-NEXT: slti a0, a0, 0
; RV32I-NEXT: addi s1, a0, -1
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __fixunssfsi
; RV32I-NEXT: and s1, s1, a0
; RV32I-NEXT: lui a1, 325632
; RV32I-NEXT: addi a1, a1, -1
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __gtsf2
; RV32I-NEXT: sgtz a0, a0
; RV32I-NEXT: neg a0, a0
; RV32I-NEXT: or a0, a0, s1
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_wu_s_sat:
; RV64I: # %bb.0: # %start
; RV64I-NEXT: addi sp, sp, -32
; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s2, a0
; RV64I-NEXT: li a1, 0
; RV64I-NEXT: call __gesf2
; RV64I-NEXT: mv s0, a0
; RV64I-NEXT: mv a0, s2
; RV64I-NEXT: call __fixunssfdi
; RV64I-NEXT: mv s1, a0
; RV64I-NEXT: lui a1, 325632
; RV64I-NEXT: addi a1, a1, -1
; RV64I-NEXT: mv a0, s2
; RV64I-NEXT: call __gtsf2
; RV64I-NEXT: blez a0, .LBB4_2
; RV64I-NEXT: # %bb.1: # %start
; RV64I-NEXT: li a0, -1
; RV64I-NEXT: srli a0, a0, 32
; RV64I-NEXT: j .LBB4_3
; RV64I-NEXT: .LBB4_2:
; RV64I-NEXT: slti a0, s0, 0
; RV64I-NEXT: addi a0, a0, -1
; RV64I-NEXT: and a0, a0, s1
; RV64I-NEXT: .LBB4_3: # %start
; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 32
; RV64I-NEXT: ret
start:
%0 = tail call i32 @llvm.fptoui.sat.i32.f32(float %a)
ret i32 %0
}
declare i32 @llvm.fptoui.sat.i32.f32(float)
define signext i32 @fmv_x_w(float %a, float %b) nounwind {
; CHECKIF-LABEL: fmv_x_w:
; CHECKIF: # %bb.0:
; CHECKIF-NEXT: fadd.s fa5, fa0, fa1
; CHECKIF-NEXT: fmv.x.w a0, fa5
; CHECKIF-NEXT: ret
;
; RV32IZFINX-LABEL: fmv_x_w:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: fadd.s a0, a0, a1
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fmv_x_w:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: fadd.s a0, a0, a1
; RV64IZFINX-NEXT: sext.w a0, a0
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fmv_x_w:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fmv_x_w:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: sext.w a0, a0
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
; Ensure fmv.x.w is generated even for a soft float calling convention
%1 = fadd float %a, %b
%2 = bitcast float %1 to i32
ret i32 %2
}
define float @fcvt_s_w(i32 %a) nounwind {
; CHECKIF-LABEL: fcvt_s_w:
; CHECKIF: # %bb.0:
; CHECKIF-NEXT: fcvt.s.w fa0, a0
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fcvt_s_w:
; CHECKIZFINX: # %bb.0:
; CHECKIZFINX-NEXT: fcvt.s.w a0, a0
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_s_w:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __floatsisf
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_s_w:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sext.w a0, a0
; RV64I-NEXT: call __floatsisf
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = sitofp i32 %a to float
ret float %1
}
define float @fcvt_s_w_load(ptr %p) nounwind {
; CHECKIF-LABEL: fcvt_s_w_load:
; CHECKIF: # %bb.0:
; CHECKIF-NEXT: lw a0, 0(a0)
; CHECKIF-NEXT: fcvt.s.w fa0, a0
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fcvt_s_w_load:
; CHECKIZFINX: # %bb.0:
; CHECKIZFINX-NEXT: lw a0, 0(a0)
; CHECKIZFINX-NEXT: fcvt.s.w a0, a0
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_s_w_load:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: lw a0, 0(a0)
; RV32I-NEXT: call __floatsisf
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_s_w_load:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: lw a0, 0(a0)
; RV64I-NEXT: call __floatsisf
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%a = load i32, ptr %p
%1 = sitofp i32 %a to float
ret float %1
}
define float @fcvt_s_wu(i32 %a) nounwind {
; CHECKIF-LABEL: fcvt_s_wu:
; CHECKIF: # %bb.0:
; CHECKIF-NEXT: fcvt.s.wu fa0, a0
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fcvt_s_wu:
; CHECKIZFINX: # %bb.0:
; CHECKIZFINX-NEXT: fcvt.s.wu a0, a0
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_s_wu:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __floatunsisf
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_s_wu:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sext.w a0, a0
; RV64I-NEXT: call __floatunsisf
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = uitofp i32 %a to float
ret float %1
}
define float @fcvt_s_wu_load(ptr %p) nounwind {
; RV32IF-LABEL: fcvt_s_wu_load:
; RV32IF: # %bb.0:
; RV32IF-NEXT: lw a0, 0(a0)
; RV32IF-NEXT: fcvt.s.wu fa0, a0
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_s_wu_load:
; RV64IF: # %bb.0:
; RV64IF-NEXT: lwu a0, 0(a0)
; RV64IF-NEXT: fcvt.s.wu fa0, a0
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_s_wu_load:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: lw a0, 0(a0)
; RV32IZFINX-NEXT: fcvt.s.wu a0, a0
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_s_wu_load:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: lwu a0, 0(a0)
; RV64IZFINX-NEXT: fcvt.s.wu a0, a0
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_s_wu_load:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: lw a0, 0(a0)
; RV32I-NEXT: call __floatunsisf
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_s_wu_load:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: lw a0, 0(a0)
; RV64I-NEXT: call __floatunsisf
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%a = load i32, ptr %p
%1 = uitofp i32 %a to float
ret float %1
}
define float @fmv_w_x(i32 %a, i32 %b) nounwind {
; CHECKIF-LABEL: fmv_w_x:
; CHECKIF: # %bb.0:
; CHECKIF-NEXT: fmv.w.x fa5, a0
; CHECKIF-NEXT: fmv.w.x fa4, a1
; CHECKIF-NEXT: fadd.s fa0, fa5, fa4
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fmv_w_x:
; CHECKIZFINX: # %bb.0:
; CHECKIZFINX-NEXT: fadd.s a0, a0, a1
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fmv_w_x:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __addsf3
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fmv_w_x:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __addsf3
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
; Ensure fmv.w.x is generated even for a soft float calling convention
%1 = bitcast i32 %a to float
%2 = bitcast i32 %b to float
%3 = fadd float %1, %2
ret float %3
}
define i64 @fcvt_l_s(float %a) nounwind {
; RV32IF-LABEL: fcvt_l_s:
; RV32IF: # %bb.0:
; RV32IF-NEXT: addi sp, sp, -16
; RV32IF-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IF-NEXT: call __fixsfdi
; RV32IF-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IF-NEXT: addi sp, sp, 16
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_l_s:
; RV64IF: # %bb.0:
; RV64IF-NEXT: fcvt.l.s a0, fa0, rtz
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_l_s:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: addi sp, sp, -16
; RV32IZFINX-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IZFINX-NEXT: call __fixsfdi
; RV32IZFINX-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IZFINX-NEXT: addi sp, sp, 16
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_l_s:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: fcvt.l.s a0, a0, rtz
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_l_s:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __fixsfdi
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_l_s:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __fixsfdi
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = fptosi float %a to i64
ret i64 %1
}
define i64 @fcvt_l_s_sat(float %a) nounwind {
; RV32IF-LABEL: fcvt_l_s_sat:
; RV32IF: # %bb.0: # %start
; RV32IF-NEXT: addi sp, sp, -16
; RV32IF-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IF-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32IF-NEXT: fsw fs0, 4(sp) # 4-byte Folded Spill
; RV32IF-NEXT: fmv.s fs0, fa0
; RV32IF-NEXT: lui a0, 913408
; RV32IF-NEXT: fmv.w.x fa5, a0
; RV32IF-NEXT: fle.s s0, fa5, fa0
; RV32IF-NEXT: call __fixsfdi
; RV32IF-NEXT: lui a3, 524288
; RV32IF-NEXT: lui a2, 524288
; RV32IF-NEXT: beqz s0, .LBB12_2
; RV32IF-NEXT: # %bb.1: # %start
; RV32IF-NEXT: mv a2, a1
; RV32IF-NEXT: .LBB12_2: # %start
; RV32IF-NEXT: lui a1, %hi(.LCPI12_0)
; RV32IF-NEXT: flw fa5, %lo(.LCPI12_0)(a1)
; RV32IF-NEXT: flt.s a1, fa5, fs0
; RV32IF-NEXT: beqz a1, .LBB12_4
; RV32IF-NEXT: # %bb.3:
; RV32IF-NEXT: addi a2, a3, -1
; RV32IF-NEXT: .LBB12_4: # %start
; RV32IF-NEXT: feq.s a3, fs0, fs0
; RV32IF-NEXT: neg a4, s0
; RV32IF-NEXT: neg a5, a1
; RV32IF-NEXT: neg a3, a3
; RV32IF-NEXT: and a0, a4, a0
; RV32IF-NEXT: and a1, a3, a2
; RV32IF-NEXT: or a0, a5, a0
; RV32IF-NEXT: and a0, a3, a0
; RV32IF-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IF-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32IF-NEXT: flw fs0, 4(sp) # 4-byte Folded Reload
; RV32IF-NEXT: addi sp, sp, 16
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_l_s_sat:
; RV64IF: # %bb.0: # %start
; RV64IF-NEXT: fcvt.l.s a0, fa0, rtz
; RV64IF-NEXT: feq.s a1, fa0, fa0
; RV64IF-NEXT: seqz a1, a1
; RV64IF-NEXT: addi a1, a1, -1
; RV64IF-NEXT: and a0, a1, a0
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_l_s_sat:
; RV32IZFINX: # %bb.0: # %start
; RV32IZFINX-NEXT: addi sp, sp, -16
; RV32IZFINX-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IZFINX-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32IZFINX-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
; RV32IZFINX-NEXT: mv s0, a0
; RV32IZFINX-NEXT: lui a0, 913408
; RV32IZFINX-NEXT: fle.s s1, a0, s0
; RV32IZFINX-NEXT: mv a0, s0
; RV32IZFINX-NEXT: call __fixsfdi
; RV32IZFINX-NEXT: lui a3, 524288
; RV32IZFINX-NEXT: lui a2, 524288
; RV32IZFINX-NEXT: beqz s1, .LBB12_2
; RV32IZFINX-NEXT: # %bb.1: # %start
; RV32IZFINX-NEXT: mv a2, a1
; RV32IZFINX-NEXT: .LBB12_2: # %start
; RV32IZFINX-NEXT: lui a1, 389120
; RV32IZFINX-NEXT: addi a1, a1, -1
; RV32IZFINX-NEXT: flt.s a1, a1, s0
; RV32IZFINX-NEXT: beqz a1, .LBB12_4
; RV32IZFINX-NEXT: # %bb.3:
; RV32IZFINX-NEXT: addi a2, a3, -1
; RV32IZFINX-NEXT: .LBB12_4: # %start
; RV32IZFINX-NEXT: feq.s a3, s0, s0
; RV32IZFINX-NEXT: neg a4, s1
; RV32IZFINX-NEXT: neg a5, a1
; RV32IZFINX-NEXT: neg a3, a3
; RV32IZFINX-NEXT: and a0, a4, a0
; RV32IZFINX-NEXT: and a1, a3, a2
; RV32IZFINX-NEXT: or a0, a5, a0
; RV32IZFINX-NEXT: and a0, a3, a0
; RV32IZFINX-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IZFINX-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32IZFINX-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
; RV32IZFINX-NEXT: addi sp, sp, 16
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_l_s_sat:
; RV64IZFINX: # %bb.0: # %start
; RV64IZFINX-NEXT: fcvt.l.s a1, a0, rtz
; RV64IZFINX-NEXT: feq.s a0, a0, a0
; RV64IZFINX-NEXT: seqz a0, a0
; RV64IZFINX-NEXT: addi a0, a0, -1
; RV64IZFINX-NEXT: and a0, a0, a1
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_l_s_sat:
; RV32I: # %bb.0: # %start
; RV32I-NEXT: addi sp, sp, -32
; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s4, 8(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s5, 4(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s1, a0
; RV32I-NEXT: lui a1, 913408
; RV32I-NEXT: call __gesf2
; RV32I-NEXT: mv s2, a0
; RV32I-NEXT: mv a0, s1
; RV32I-NEXT: call __fixsfdi
; RV32I-NEXT: mv s0, a0
; RV32I-NEXT: mv s3, a1
; RV32I-NEXT: lui s5, 524288
; RV32I-NEXT: bgez s2, .LBB12_2
; RV32I-NEXT: # %bb.1: # %start
; RV32I-NEXT: lui s3, 524288
; RV32I-NEXT: .LBB12_2: # %start
; RV32I-NEXT: lui a1, 389120
; RV32I-NEXT: addi a1, a1, -1
; RV32I-NEXT: mv a0, s1
; RV32I-NEXT: call __gtsf2
; RV32I-NEXT: mv s4, a0
; RV32I-NEXT: blez a0, .LBB12_4
; RV32I-NEXT: # %bb.3: # %start
; RV32I-NEXT: addi s3, s5, -1
; RV32I-NEXT: .LBB12_4: # %start
; RV32I-NEXT: mv a0, s1
; RV32I-NEXT: mv a1, s1
; RV32I-NEXT: call __unordsf2
; RV32I-NEXT: snez a0, a0
; RV32I-NEXT: slti a1, s2, 0
; RV32I-NEXT: sgtz a2, s4
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: addi a3, a1, -1
; RV32I-NEXT: and a1, a0, s3
; RV32I-NEXT: and a3, a3, s0
; RV32I-NEXT: neg a2, a2
; RV32I-NEXT: or a2, a2, a3
; RV32I-NEXT: and a0, a0, a2
; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s4, 8(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s5, 4(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 32
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_l_s_sat:
; RV64I: # %bb.0: # %start
; RV64I-NEXT: addi sp, sp, -48
; RV64I-NEXT: sd ra, 40(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 32(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s2, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s3, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s0, a0
; RV64I-NEXT: lui a1, 913408
; RV64I-NEXT: call __gesf2
; RV64I-NEXT: mv s2, a0
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __fixsfdi
; RV64I-NEXT: mv s1, a0
; RV64I-NEXT: li s3, -1
; RV64I-NEXT: bgez s2, .LBB12_2
; RV64I-NEXT: # %bb.1: # %start
; RV64I-NEXT: slli s1, s3, 63
; RV64I-NEXT: .LBB12_2: # %start
; RV64I-NEXT: lui a1, 389120
; RV64I-NEXT: addi a1, a1, -1
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __gtsf2
; RV64I-NEXT: blez a0, .LBB12_4
; RV64I-NEXT: # %bb.3: # %start
; RV64I-NEXT: srli s1, s3, 1
; RV64I-NEXT: .LBB12_4: # %start
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: mv a1, s0
; RV64I-NEXT: call __unordsf2
; RV64I-NEXT: snez a0, a0
; RV64I-NEXT: addi a0, a0, -1
; RV64I-NEXT: and a0, a0, s1
; RV64I-NEXT: ld ra, 40(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 32(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s2, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s3, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 48
; RV64I-NEXT: ret
start:
%0 = tail call i64 @llvm.fptosi.sat.i64.f32(float %a)
ret i64 %0
}
declare i64 @llvm.fptosi.sat.i64.f32(float)
define i64 @fcvt_lu_s(float %a) nounwind {
; RV32IF-LABEL: fcvt_lu_s:
; RV32IF: # %bb.0:
; RV32IF-NEXT: addi sp, sp, -16
; RV32IF-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IF-NEXT: call __fixunssfdi
; RV32IF-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IF-NEXT: addi sp, sp, 16
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_lu_s:
; RV64IF: # %bb.0:
; RV64IF-NEXT: fcvt.lu.s a0, fa0, rtz
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_lu_s:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: addi sp, sp, -16
; RV32IZFINX-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IZFINX-NEXT: call __fixunssfdi
; RV32IZFINX-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IZFINX-NEXT: addi sp, sp, 16
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_lu_s:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: fcvt.lu.s a0, a0, rtz
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_lu_s:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __fixunssfdi
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_lu_s:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __fixunssfdi
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = fptoui float %a to i64
ret i64 %1
}
define i64 @fcvt_lu_s_sat(float %a) nounwind {
; RV32IF-LABEL: fcvt_lu_s_sat:
; RV32IF: # %bb.0: # %start
; RV32IF-NEXT: addi sp, sp, -16
; RV32IF-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IF-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32IF-NEXT: fsw fs0, 4(sp) # 4-byte Folded Spill
; RV32IF-NEXT: fmv.s fs0, fa0
; RV32IF-NEXT: fmv.w.x fa5, zero
; RV32IF-NEXT: fle.s a0, fa5, fa0
; RV32IF-NEXT: neg s0, a0
; RV32IF-NEXT: call __fixunssfdi
; RV32IF-NEXT: lui a2, %hi(.LCPI14_0)
; RV32IF-NEXT: flw fa5, %lo(.LCPI14_0)(a2)
; RV32IF-NEXT: and a0, s0, a0
; RV32IF-NEXT: and a1, s0, a1
; RV32IF-NEXT: flt.s a2, fa5, fs0
; RV32IF-NEXT: neg a2, a2
; RV32IF-NEXT: or a0, a2, a0
; RV32IF-NEXT: or a1, a2, a1
; RV32IF-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IF-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32IF-NEXT: flw fs0, 4(sp) # 4-byte Folded Reload
; RV32IF-NEXT: addi sp, sp, 16
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_lu_s_sat:
; RV64IF: # %bb.0: # %start
; RV64IF-NEXT: fcvt.lu.s a0, fa0, rtz
; RV64IF-NEXT: feq.s a1, fa0, fa0
; RV64IF-NEXT: seqz a1, a1
; RV64IF-NEXT: addi a1, a1, -1
; RV64IF-NEXT: and a0, a1, a0
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_lu_s_sat:
; RV32IZFINX: # %bb.0: # %start
; RV32IZFINX-NEXT: addi sp, sp, -16
; RV32IZFINX-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IZFINX-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32IZFINX-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
; RV32IZFINX-NEXT: mv s0, a0
; RV32IZFINX-NEXT: fle.s a0, zero, a0
; RV32IZFINX-NEXT: neg s1, a0
; RV32IZFINX-NEXT: mv a0, s0
; RV32IZFINX-NEXT: call __fixunssfdi
; RV32IZFINX-NEXT: and a0, s1, a0
; RV32IZFINX-NEXT: lui a2, 391168
; RV32IZFINX-NEXT: and a1, s1, a1
; RV32IZFINX-NEXT: addi a2, a2, -1
; RV32IZFINX-NEXT: flt.s a2, a2, s0
; RV32IZFINX-NEXT: neg a2, a2
; RV32IZFINX-NEXT: or a0, a2, a0
; RV32IZFINX-NEXT: or a1, a2, a1
; RV32IZFINX-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IZFINX-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32IZFINX-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
; RV32IZFINX-NEXT: addi sp, sp, 16
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_lu_s_sat:
; RV64IZFINX: # %bb.0: # %start
; RV64IZFINX-NEXT: fcvt.lu.s a1, a0, rtz
; RV64IZFINX-NEXT: feq.s a0, a0, a0
; RV64IZFINX-NEXT: seqz a0, a0
; RV64IZFINX-NEXT: addi a0, a0, -1
; RV64IZFINX-NEXT: and a0, a0, a1
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_lu_s_sat:
; RV32I: # %bb.0: # %start
; RV32I-NEXT: addi sp, sp, -32
; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s0, a0
; RV32I-NEXT: li a1, 0
; RV32I-NEXT: call __gesf2
; RV32I-NEXT: slti a0, a0, 0
; RV32I-NEXT: addi s2, a0, -1
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __fixunssfdi
; RV32I-NEXT: mv s1, a1
; RV32I-NEXT: and s3, s2, a0
; RV32I-NEXT: lui a1, 391168
; RV32I-NEXT: addi a1, a1, -1
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __gtsf2
; RV32I-NEXT: sgtz a0, a0
; RV32I-NEXT: and a1, s2, s1
; RV32I-NEXT: neg a2, a0
; RV32I-NEXT: or a0, a2, s3
; RV32I-NEXT: or a1, a2, a1
; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 32
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_lu_s_sat:
; RV64I: # %bb.0: # %start
; RV64I-NEXT: addi sp, sp, -32
; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s0, a0
; RV64I-NEXT: lui a1, 391168
; RV64I-NEXT: addi a1, a1, -1
; RV64I-NEXT: call __gtsf2
; RV64I-NEXT: sgtz a0, a0
; RV64I-NEXT: neg s1, a0
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: li a1, 0
; RV64I-NEXT: call __gesf2
; RV64I-NEXT: slti a0, a0, 0
; RV64I-NEXT: addi s2, a0, -1
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __fixunssfdi
; RV64I-NEXT: and a0, s2, a0
; RV64I-NEXT: or a0, s1, a0
; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 32
; RV64I-NEXT: ret
start:
%0 = tail call i64 @llvm.fptoui.sat.i64.f32(float %a)
ret i64 %0
}
declare i64 @llvm.fptoui.sat.i64.f32(float)
define float @fcvt_s_l(i64 %a) nounwind {
; RV32IF-LABEL: fcvt_s_l:
; RV32IF: # %bb.0:
; RV32IF-NEXT: addi sp, sp, -16
; RV32IF-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IF-NEXT: call __floatdisf
; RV32IF-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IF-NEXT: addi sp, sp, 16
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_s_l:
; RV64IF: # %bb.0:
; RV64IF-NEXT: fcvt.s.l fa0, a0
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_s_l:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: addi sp, sp, -16
; RV32IZFINX-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IZFINX-NEXT: call __floatdisf
; RV32IZFINX-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IZFINX-NEXT: addi sp, sp, 16
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_s_l:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: fcvt.s.l a0, a0
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_s_l:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __floatdisf
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_s_l:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __floatdisf
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = sitofp i64 %a to float
ret float %1
}
define float @fcvt_s_lu(i64 %a) nounwind {
; RV32IF-LABEL: fcvt_s_lu:
; RV32IF: # %bb.0:
; RV32IF-NEXT: addi sp, sp, -16
; RV32IF-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IF-NEXT: call __floatundisf
; RV32IF-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IF-NEXT: addi sp, sp, 16
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_s_lu:
; RV64IF: # %bb.0:
; RV64IF-NEXT: fcvt.s.lu fa0, a0
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_s_lu:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: addi sp, sp, -16
; RV32IZFINX-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32IZFINX-NEXT: call __floatundisf
; RV32IZFINX-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32IZFINX-NEXT: addi sp, sp, 16
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_s_lu:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: fcvt.s.lu a0, a0
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_s_lu:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __floatundisf
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_s_lu:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __floatundisf
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = uitofp i64 %a to float
ret float %1
}
define float @fcvt_s_w_i8(i8 signext %a) nounwind {
; CHECKIF-LABEL: fcvt_s_w_i8:
; CHECKIF: # %bb.0:
; CHECKIF-NEXT: fcvt.s.w fa0, a0
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fcvt_s_w_i8:
; CHECKIZFINX: # %bb.0:
; CHECKIZFINX-NEXT: fcvt.s.w a0, a0
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_s_w_i8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __floatsisf
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_s_w_i8:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __floatsisf
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = sitofp i8 %a to float
ret float %1
}
define float @fcvt_s_wu_i8(i8 zeroext %a) nounwind {
; CHECKIF-LABEL: fcvt_s_wu_i8:
; CHECKIF: # %bb.0:
; CHECKIF-NEXT: fcvt.s.wu fa0, a0
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fcvt_s_wu_i8:
; CHECKIZFINX: # %bb.0:
; CHECKIZFINX-NEXT: fcvt.s.wu a0, a0
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_s_wu_i8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __floatunsisf
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_s_wu_i8:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __floatunsisf
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = uitofp i8 %a to float
ret float %1
}
define float @fcvt_s_w_i16(i16 signext %a) nounwind {
; CHECKIF-LABEL: fcvt_s_w_i16:
; CHECKIF: # %bb.0:
; CHECKIF-NEXT: fcvt.s.w fa0, a0
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fcvt_s_w_i16:
; CHECKIZFINX: # %bb.0:
; CHECKIZFINX-NEXT: fcvt.s.w a0, a0
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_s_w_i16:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __floatsisf
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_s_w_i16:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __floatsisf
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = sitofp i16 %a to float
ret float %1
}
define float @fcvt_s_wu_i16(i16 zeroext %a) nounwind {
; CHECKIF-LABEL: fcvt_s_wu_i16:
; CHECKIF: # %bb.0:
; CHECKIF-NEXT: fcvt.s.wu fa0, a0
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fcvt_s_wu_i16:
; CHECKIZFINX: # %bb.0:
; CHECKIZFINX-NEXT: fcvt.s.wu a0, a0
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_s_wu_i16:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __floatunsisf
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_s_wu_i16:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __floatunsisf
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = uitofp i16 %a to float
ret float %1
}
; Make sure we select W version of addi on RV64.
define signext i32 @fcvt_s_w_demanded_bits(i32 signext %0, ptr %1) nounwind {
; RV32IF-LABEL: fcvt_s_w_demanded_bits:
; RV32IF: # %bb.0:
; RV32IF-NEXT: addi a0, a0, 1
; RV32IF-NEXT: fcvt.s.w fa5, a0
; RV32IF-NEXT: fsw fa5, 0(a1)
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_s_w_demanded_bits:
; RV64IF: # %bb.0:
; RV64IF-NEXT: addiw a0, a0, 1
; RV64IF-NEXT: fcvt.s.w fa5, a0
; RV64IF-NEXT: fsw fa5, 0(a1)
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_s_w_demanded_bits:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: addi a0, a0, 1
; RV32IZFINX-NEXT: fcvt.s.w a2, a0
; RV32IZFINX-NEXT: sw a2, 0(a1)
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_s_w_demanded_bits:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: addiw a0, a0, 1
; RV64IZFINX-NEXT: fcvt.s.w a2, a0
; RV64IZFINX-NEXT: sw a2, 0(a1)
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_s_w_demanded_bits:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s0, a1
; RV32I-NEXT: addi s1, a0, 1
; RV32I-NEXT: mv a0, s1
; RV32I-NEXT: call __floatsisf
; RV32I-NEXT: sw a0, 0(s0)
; RV32I-NEXT: mv a0, s1
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_s_w_demanded_bits:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -32
; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s0, a1
; RV64I-NEXT: addiw s1, a0, 1
; RV64I-NEXT: mv a0, s1
; RV64I-NEXT: call __floatsisf
; RV64I-NEXT: sw a0, 0(s0)
; RV64I-NEXT: mv a0, s1
; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 32
; RV64I-NEXT: ret
%3 = add i32 %0, 1
%4 = sitofp i32 %3 to float
store float %4, ptr %1, align 4
ret i32 %3
}
; Make sure we select W version of addi on RV64.
define signext i32 @fcvt_s_wu_demanded_bits(i32 signext %0, ptr %1) nounwind {
; RV32IF-LABEL: fcvt_s_wu_demanded_bits:
; RV32IF: # %bb.0:
; RV32IF-NEXT: addi a0, a0, 1
; RV32IF-NEXT: fcvt.s.wu fa5, a0
; RV32IF-NEXT: fsw fa5, 0(a1)
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_s_wu_demanded_bits:
; RV64IF: # %bb.0:
; RV64IF-NEXT: addiw a0, a0, 1
; RV64IF-NEXT: fcvt.s.wu fa5, a0
; RV64IF-NEXT: fsw fa5, 0(a1)
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_s_wu_demanded_bits:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: addi a0, a0, 1
; RV32IZFINX-NEXT: fcvt.s.wu a2, a0
; RV32IZFINX-NEXT: sw a2, 0(a1)
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_s_wu_demanded_bits:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: addiw a0, a0, 1
; RV64IZFINX-NEXT: fcvt.s.wu a2, a0
; RV64IZFINX-NEXT: sw a2, 0(a1)
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_s_wu_demanded_bits:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s0, a1
; RV32I-NEXT: addi s1, a0, 1
; RV32I-NEXT: mv a0, s1
; RV32I-NEXT: call __floatunsisf
; RV32I-NEXT: sw a0, 0(s0)
; RV32I-NEXT: mv a0, s1
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_s_wu_demanded_bits:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -32
; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s0, a1
; RV64I-NEXT: addiw s1, a0, 1
; RV64I-NEXT: mv a0, s1
; RV64I-NEXT: call __floatunsisf
; RV64I-NEXT: sw a0, 0(s0)
; RV64I-NEXT: mv a0, s1
; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 32
; RV64I-NEXT: ret
%3 = add i32 %0, 1
%4 = uitofp i32 %3 to float
store float %4, ptr %1, align 4
ret i32 %3
}
define signext i16 @fcvt_w_s_i16(float %a) nounwind {
; RV32IF-LABEL: fcvt_w_s_i16:
; RV32IF: # %bb.0:
; RV32IF-NEXT: fcvt.w.s a0, fa0, rtz
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_w_s_i16:
; RV64IF: # %bb.0:
; RV64IF-NEXT: fcvt.l.s a0, fa0, rtz
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_w_s_i16:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: fcvt.w.s a0, a0, rtz
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_w_s_i16:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: fcvt.l.s a0, a0, rtz
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_w_s_i16:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __fixsfsi
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_w_s_i16:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __fixsfdi
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = fptosi float %a to i16
ret i16 %1
}
define signext i16 @fcvt_w_s_sat_i16(float %a) nounwind {
; RV32IF-LABEL: fcvt_w_s_sat_i16:
; RV32IF: # %bb.0: # %start
; RV32IF-NEXT: feq.s a0, fa0, fa0
; RV32IF-NEXT: lui a1, %hi(.LCPI24_0)
; RV32IF-NEXT: flw fa5, %lo(.LCPI24_0)(a1)
; RV32IF-NEXT: lui a1, 815104
; RV32IF-NEXT: fmv.w.x fa4, a1
; RV32IF-NEXT: fmax.s fa4, fa0, fa4
; RV32IF-NEXT: neg a0, a0
; RV32IF-NEXT: fmin.s fa5, fa4, fa5
; RV32IF-NEXT: fcvt.w.s a1, fa5, rtz
; RV32IF-NEXT: and a0, a0, a1
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_w_s_sat_i16:
; RV64IF: # %bb.0: # %start
; RV64IF-NEXT: feq.s a0, fa0, fa0
; RV64IF-NEXT: lui a1, %hi(.LCPI24_0)
; RV64IF-NEXT: flw fa5, %lo(.LCPI24_0)(a1)
; RV64IF-NEXT: lui a1, 815104
; RV64IF-NEXT: fmv.w.x fa4, a1
; RV64IF-NEXT: fmax.s fa4, fa0, fa4
; RV64IF-NEXT: neg a0, a0
; RV64IF-NEXT: fmin.s fa5, fa4, fa5
; RV64IF-NEXT: fcvt.l.s a1, fa5, rtz
; RV64IF-NEXT: and a0, a0, a1
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_w_s_sat_i16:
; RV32IZFINX: # %bb.0: # %start
; RV32IZFINX-NEXT: feq.s a1, a0, a0
; RV32IZFINX-NEXT: lui a2, 815104
; RV32IZFINX-NEXT: fmax.s a0, a0, a2
; RV32IZFINX-NEXT: lui a2, 290816
; RV32IZFINX-NEXT: neg a1, a1
; RV32IZFINX-NEXT: addi a2, a2, -512
; RV32IZFINX-NEXT: fmin.s a0, a0, a2
; RV32IZFINX-NEXT: fcvt.w.s a0, a0, rtz
; RV32IZFINX-NEXT: and a0, a1, a0
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_w_s_sat_i16:
; RV64IZFINX: # %bb.0: # %start
; RV64IZFINX-NEXT: feq.s a1, a0, a0
; RV64IZFINX-NEXT: lui a2, 815104
; RV64IZFINX-NEXT: fmax.s a0, a0, a2
; RV64IZFINX-NEXT: lui a2, 290816
; RV64IZFINX-NEXT: neg a1, a1
; RV64IZFINX-NEXT: addi a2, a2, -512
; RV64IZFINX-NEXT: fmin.s a0, a0, a2
; RV64IZFINX-NEXT: fcvt.l.s a0, a0, rtz
; RV64IZFINX-NEXT: and a0, a1, a0
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_w_s_sat_i16:
; RV32I: # %bb.0: # %start
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s2, 0(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s0, a0
; RV32I-NEXT: lui a1, 815104
; RV32I-NEXT: call __gesf2
; RV32I-NEXT: mv s2, a0
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __fixsfsi
; RV32I-NEXT: mv s1, a0
; RV32I-NEXT: bgez s2, .LBB24_2
; RV32I-NEXT: # %bb.1: # %start
; RV32I-NEXT: lui s1, 1048568
; RV32I-NEXT: .LBB24_2: # %start
; RV32I-NEXT: lui a0, 290816
; RV32I-NEXT: addi a1, a0, -512
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __gtsf2
; RV32I-NEXT: blez a0, .LBB24_4
; RV32I-NEXT: # %bb.3: # %start
; RV32I-NEXT: lui s1, 8
; RV32I-NEXT: addi s1, s1, -1
; RV32I-NEXT: .LBB24_4: # %start
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: mv a1, s0
; RV32I-NEXT: call __unordsf2
; RV32I-NEXT: snez a0, a0
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: and a0, a0, s1
; RV32I-NEXT: slli a0, a0, 16
; RV32I-NEXT: srai a0, a0, 16
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s2, 0(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_w_s_sat_i16:
; RV64I: # %bb.0: # %start
; RV64I-NEXT: addi sp, sp, -32
; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s0, a0
; RV64I-NEXT: lui a1, 815104
; RV64I-NEXT: call __gesf2
; RV64I-NEXT: mv s2, a0
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __fixsfdi
; RV64I-NEXT: mv s1, a0
; RV64I-NEXT: bgez s2, .LBB24_2
; RV64I-NEXT: # %bb.1: # %start
; RV64I-NEXT: lui s1, 1048568
; RV64I-NEXT: .LBB24_2: # %start
; RV64I-NEXT: lui a0, 290816
; RV64I-NEXT: addi a1, a0, -512
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __gtsf2
; RV64I-NEXT: blez a0, .LBB24_4
; RV64I-NEXT: # %bb.3: # %start
; RV64I-NEXT: lui s1, 8
; RV64I-NEXT: addi s1, s1, -1
; RV64I-NEXT: .LBB24_4: # %start
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: mv a1, s0
; RV64I-NEXT: call __unordsf2
; RV64I-NEXT: snez a0, a0
; RV64I-NEXT: addi a0, a0, -1
; RV64I-NEXT: and a0, a0, s1
; RV64I-NEXT: slli a0, a0, 48
; RV64I-NEXT: srai a0, a0, 48
; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 32
; RV64I-NEXT: ret
start:
%0 = tail call i16 @llvm.fptosi.sat.i16.f32(float %a)
ret i16 %0
}
declare i16 @llvm.fptosi.sat.i16.f32(float)
define zeroext i16 @fcvt_wu_s_i16(float %a) nounwind {
; RV32IF-LABEL: fcvt_wu_s_i16:
; RV32IF: # %bb.0:
; RV32IF-NEXT: fcvt.wu.s a0, fa0, rtz
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_wu_s_i16:
; RV64IF: # %bb.0:
; RV64IF-NEXT: fcvt.lu.s a0, fa0, rtz
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_wu_s_i16:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: fcvt.wu.s a0, a0, rtz
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_wu_s_i16:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: fcvt.lu.s a0, a0, rtz
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_wu_s_i16:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __fixunssfsi
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_wu_s_i16:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __fixunssfdi
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = fptoui float %a to i16
ret i16 %1
}
define zeroext i16 @fcvt_wu_s_sat_i16(float %a) nounwind {
; RV32IF-LABEL: fcvt_wu_s_sat_i16:
; RV32IF: # %bb.0: # %start
; RV32IF-NEXT: lui a0, %hi(.LCPI26_0)
; RV32IF-NEXT: flw fa5, %lo(.LCPI26_0)(a0)
; RV32IF-NEXT: fmv.w.x fa4, zero
; RV32IF-NEXT: fmax.s fa4, fa0, fa4
; RV32IF-NEXT: fmin.s fa5, fa4, fa5
; RV32IF-NEXT: fcvt.wu.s a0, fa5, rtz
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_wu_s_sat_i16:
; RV64IF: # %bb.0: # %start
; RV64IF-NEXT: lui a0, %hi(.LCPI26_0)
; RV64IF-NEXT: flw fa5, %lo(.LCPI26_0)(a0)
; RV64IF-NEXT: fmv.w.x fa4, zero
; RV64IF-NEXT: fmax.s fa4, fa0, fa4
; RV64IF-NEXT: fmin.s fa5, fa4, fa5
; RV64IF-NEXT: fcvt.lu.s a0, fa5, rtz
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_wu_s_sat_i16:
; RV32IZFINX: # %bb.0: # %start
; RV32IZFINX-NEXT: fmax.s a0, a0, zero
; RV32IZFINX-NEXT: lui a1, 292864
; RV32IZFINX-NEXT: addi a1, a1, -256
; RV32IZFINX-NEXT: fmin.s a0, a0, a1
; RV32IZFINX-NEXT: fcvt.wu.s a0, a0, rtz
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_wu_s_sat_i16:
; RV64IZFINX: # %bb.0: # %start
; RV64IZFINX-NEXT: fmax.s a0, a0, zero
; RV64IZFINX-NEXT: lui a1, 292864
; RV64IZFINX-NEXT: addi a1, a1, -256
; RV64IZFINX-NEXT: fmin.s a0, a0, a1
; RV64IZFINX-NEXT: fcvt.lu.s a0, a0, rtz
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_wu_s_sat_i16:
; RV32I: # %bb.0: # %start
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s2, 0(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s2, a0
; RV32I-NEXT: li a1, 0
; RV32I-NEXT: call __gesf2
; RV32I-NEXT: mv s0, a0
; RV32I-NEXT: mv a0, s2
; RV32I-NEXT: call __fixunssfsi
; RV32I-NEXT: mv s1, a0
; RV32I-NEXT: lui a0, 292864
; RV32I-NEXT: addi a1, a0, -256
; RV32I-NEXT: mv a0, s2
; RV32I-NEXT: call __gtsf2
; RV32I-NEXT: lui a1, 16
; RV32I-NEXT: addi a1, a1, -1
; RV32I-NEXT: blez a0, .LBB26_2
; RV32I-NEXT: # %bb.1: # %start
; RV32I-NEXT: mv a0, a1
; RV32I-NEXT: j .LBB26_3
; RV32I-NEXT: .LBB26_2:
; RV32I-NEXT: slti a0, s0, 0
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: and a0, a0, s1
; RV32I-NEXT: .LBB26_3: # %start
; RV32I-NEXT: and a0, a0, a1
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s2, 0(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_wu_s_sat_i16:
; RV64I: # %bb.0: # %start
; RV64I-NEXT: addi sp, sp, -32
; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s2, a0
; RV64I-NEXT: li a1, 0
; RV64I-NEXT: call __gesf2
; RV64I-NEXT: mv s0, a0
; RV64I-NEXT: mv a0, s2
; RV64I-NEXT: call __fixunssfdi
; RV64I-NEXT: mv s1, a0
; RV64I-NEXT: lui a0, 292864
; RV64I-NEXT: addi a1, a0, -256
; RV64I-NEXT: mv a0, s2
; RV64I-NEXT: call __gtsf2
; RV64I-NEXT: lui a1, 16
; RV64I-NEXT: addi a1, a1, -1
; RV64I-NEXT: blez a0, .LBB26_2
; RV64I-NEXT: # %bb.1: # %start
; RV64I-NEXT: mv a0, a1
; RV64I-NEXT: j .LBB26_3
; RV64I-NEXT: .LBB26_2:
; RV64I-NEXT: slti a0, s0, 0
; RV64I-NEXT: addi a0, a0, -1
; RV64I-NEXT: and a0, a0, s1
; RV64I-NEXT: .LBB26_3: # %start
; RV64I-NEXT: and a0, a0, a1
; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 32
; RV64I-NEXT: ret
start:
%0 = tail call i16 @llvm.fptoui.sat.i16.f32(float %a)
ret i16 %0
}
declare i16 @llvm.fptoui.sat.i16.f32(float)
define signext i8 @fcvt_w_s_i8(float %a) nounwind {
; RV32IF-LABEL: fcvt_w_s_i8:
; RV32IF: # %bb.0:
; RV32IF-NEXT: fcvt.w.s a0, fa0, rtz
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_w_s_i8:
; RV64IF: # %bb.0:
; RV64IF-NEXT: fcvt.l.s a0, fa0, rtz
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_w_s_i8:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: fcvt.w.s a0, a0, rtz
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_w_s_i8:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: fcvt.l.s a0, a0, rtz
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_w_s_i8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __fixsfsi
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_w_s_i8:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __fixsfdi
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = fptosi float %a to i8
ret i8 %1
}
define signext i8 @fcvt_w_s_sat_i8(float %a) nounwind {
; RV32IF-LABEL: fcvt_w_s_sat_i8:
; RV32IF: # %bb.0: # %start
; RV32IF-NEXT: feq.s a0, fa0, fa0
; RV32IF-NEXT: lui a1, 798720
; RV32IF-NEXT: fmv.w.x fa5, a1
; RV32IF-NEXT: lui a1, 274400
; RV32IF-NEXT: neg a0, a0
; RV32IF-NEXT: fmax.s fa5, fa0, fa5
; RV32IF-NEXT: fmv.w.x fa4, a1
; RV32IF-NEXT: fmin.s fa5, fa5, fa4
; RV32IF-NEXT: fcvt.w.s a1, fa5, rtz
; RV32IF-NEXT: and a0, a0, a1
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_w_s_sat_i8:
; RV64IF: # %bb.0: # %start
; RV64IF-NEXT: feq.s a0, fa0, fa0
; RV64IF-NEXT: lui a1, 798720
; RV64IF-NEXT: fmv.w.x fa5, a1
; RV64IF-NEXT: lui a1, 274400
; RV64IF-NEXT: neg a0, a0
; RV64IF-NEXT: fmax.s fa5, fa0, fa5
; RV64IF-NEXT: fmv.w.x fa4, a1
; RV64IF-NEXT: fmin.s fa5, fa5, fa4
; RV64IF-NEXT: fcvt.l.s a1, fa5, rtz
; RV64IF-NEXT: and a0, a0, a1
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_w_s_sat_i8:
; RV32IZFINX: # %bb.0: # %start
; RV32IZFINX-NEXT: feq.s a1, a0, a0
; RV32IZFINX-NEXT: lui a2, 798720
; RV32IZFINX-NEXT: neg a1, a1
; RV32IZFINX-NEXT: fmax.s a0, a0, a2
; RV32IZFINX-NEXT: lui a2, 274400
; RV32IZFINX-NEXT: fmin.s a0, a0, a2
; RV32IZFINX-NEXT: fcvt.w.s a0, a0, rtz
; RV32IZFINX-NEXT: and a0, a1, a0
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_w_s_sat_i8:
; RV64IZFINX: # %bb.0: # %start
; RV64IZFINX-NEXT: feq.s a1, a0, a0
; RV64IZFINX-NEXT: lui a2, 798720
; RV64IZFINX-NEXT: neg a1, a1
; RV64IZFINX-NEXT: fmax.s a0, a0, a2
; RV64IZFINX-NEXT: lui a2, 274400
; RV64IZFINX-NEXT: fmin.s a0, a0, a2
; RV64IZFINX-NEXT: fcvt.l.s a0, a0, rtz
; RV64IZFINX-NEXT: and a0, a1, a0
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_w_s_sat_i8:
; RV32I: # %bb.0: # %start
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s2, 0(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s0, a0
; RV32I-NEXT: lui a1, 798720
; RV32I-NEXT: call __gesf2
; RV32I-NEXT: mv s2, a0
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __fixsfsi
; RV32I-NEXT: mv s1, a0
; RV32I-NEXT: bgez s2, .LBB28_2
; RV32I-NEXT: # %bb.1: # %start
; RV32I-NEXT: li s1, -128
; RV32I-NEXT: .LBB28_2: # %start
; RV32I-NEXT: lui a1, 274400
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __gtsf2
; RV32I-NEXT: blez a0, .LBB28_4
; RV32I-NEXT: # %bb.3: # %start
; RV32I-NEXT: li s1, 127
; RV32I-NEXT: .LBB28_4: # %start
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: mv a1, s0
; RV32I-NEXT: call __unordsf2
; RV32I-NEXT: snez a0, a0
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: and a0, a0, s1
; RV32I-NEXT: slli a0, a0, 24
; RV32I-NEXT: srai a0, a0, 24
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s2, 0(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_w_s_sat_i8:
; RV64I: # %bb.0: # %start
; RV64I-NEXT: addi sp, sp, -32
; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s0, a0
; RV64I-NEXT: lui a1, 798720
; RV64I-NEXT: call __gesf2
; RV64I-NEXT: mv s2, a0
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __fixsfdi
; RV64I-NEXT: mv s1, a0
; RV64I-NEXT: bgez s2, .LBB28_2
; RV64I-NEXT: # %bb.1: # %start
; RV64I-NEXT: li s1, -128
; RV64I-NEXT: .LBB28_2: # %start
; RV64I-NEXT: lui a1, 274400
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __gtsf2
; RV64I-NEXT: blez a0, .LBB28_4
; RV64I-NEXT: # %bb.3: # %start
; RV64I-NEXT: li s1, 127
; RV64I-NEXT: .LBB28_4: # %start
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: mv a1, s0
; RV64I-NEXT: call __unordsf2
; RV64I-NEXT: snez a0, a0
; RV64I-NEXT: addi a0, a0, -1
; RV64I-NEXT: and a0, a0, s1
; RV64I-NEXT: slli a0, a0, 56
; RV64I-NEXT: srai a0, a0, 56
; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 32
; RV64I-NEXT: ret
start:
%0 = tail call i8 @llvm.fptosi.sat.i8.f32(float %a)
ret i8 %0
}
declare i8 @llvm.fptosi.sat.i8.f32(float)
define zeroext i8 @fcvt_wu_s_i8(float %a) nounwind {
; RV32IF-LABEL: fcvt_wu_s_i8:
; RV32IF: # %bb.0:
; RV32IF-NEXT: fcvt.wu.s a0, fa0, rtz
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_wu_s_i8:
; RV64IF: # %bb.0:
; RV64IF-NEXT: fcvt.lu.s a0, fa0, rtz
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_wu_s_i8:
; RV32IZFINX: # %bb.0:
; RV32IZFINX-NEXT: fcvt.wu.s a0, a0, rtz
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_wu_s_i8:
; RV64IZFINX: # %bb.0:
; RV64IZFINX-NEXT: fcvt.lu.s a0, a0, rtz
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_wu_s_i8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: call __fixunssfsi
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_wu_s_i8:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -16
; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: call __fixunssfdi
; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 16
; RV64I-NEXT: ret
%1 = fptoui float %a to i8
ret i8 %1
}
define zeroext i8 @fcvt_wu_s_sat_i8(float %a) nounwind {
; RV32IF-LABEL: fcvt_wu_s_sat_i8:
; RV32IF: # %bb.0: # %start
; RV32IF-NEXT: fmv.w.x fa5, zero
; RV32IF-NEXT: lui a0, 276464
; RV32IF-NEXT: fmax.s fa5, fa0, fa5
; RV32IF-NEXT: fmv.w.x fa4, a0
; RV32IF-NEXT: fmin.s fa5, fa5, fa4
; RV32IF-NEXT: fcvt.wu.s a0, fa5, rtz
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_wu_s_sat_i8:
; RV64IF: # %bb.0: # %start
; RV64IF-NEXT: fmv.w.x fa5, zero
; RV64IF-NEXT: lui a0, 276464
; RV64IF-NEXT: fmax.s fa5, fa0, fa5
; RV64IF-NEXT: fmv.w.x fa4, a0
; RV64IF-NEXT: fmin.s fa5, fa5, fa4
; RV64IF-NEXT: fcvt.lu.s a0, fa5, rtz
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_wu_s_sat_i8:
; RV32IZFINX: # %bb.0: # %start
; RV32IZFINX-NEXT: fmax.s a0, a0, zero
; RV32IZFINX-NEXT: lui a1, 276464
; RV32IZFINX-NEXT: fmin.s a0, a0, a1
; RV32IZFINX-NEXT: fcvt.wu.s a0, a0, rtz
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_wu_s_sat_i8:
; RV64IZFINX: # %bb.0: # %start
; RV64IZFINX-NEXT: fmax.s a0, a0, zero
; RV64IZFINX-NEXT: lui a1, 276464
; RV64IZFINX-NEXT: fmin.s a0, a0, a1
; RV64IZFINX-NEXT: fcvt.lu.s a0, a0, rtz
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_wu_s_sat_i8:
; RV32I: # %bb.0: # %start
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s2, 0(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s2, a0
; RV32I-NEXT: li a1, 0
; RV32I-NEXT: call __gesf2
; RV32I-NEXT: mv s0, a0
; RV32I-NEXT: mv a0, s2
; RV32I-NEXT: call __fixunssfsi
; RV32I-NEXT: mv s1, a0
; RV32I-NEXT: lui a1, 276464
; RV32I-NEXT: mv a0, s2
; RV32I-NEXT: call __gtsf2
; RV32I-NEXT: blez a0, .LBB30_2
; RV32I-NEXT: # %bb.1: # %start
; RV32I-NEXT: li a0, 255
; RV32I-NEXT: j .LBB30_3
; RV32I-NEXT: .LBB30_2:
; RV32I-NEXT: slti a0, s0, 0
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: and a0, a0, s1
; RV32I-NEXT: .LBB30_3: # %start
; RV32I-NEXT: zext.b a0, a0
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s2, 0(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_wu_s_sat_i8:
; RV64I: # %bb.0: # %start
; RV64I-NEXT: addi sp, sp, -32
; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s2, a0
; RV64I-NEXT: li a1, 0
; RV64I-NEXT: call __gesf2
; RV64I-NEXT: mv s0, a0
; RV64I-NEXT: mv a0, s2
; RV64I-NEXT: call __fixunssfdi
; RV64I-NEXT: mv s1, a0
; RV64I-NEXT: lui a1, 276464
; RV64I-NEXT: mv a0, s2
; RV64I-NEXT: call __gtsf2
; RV64I-NEXT: blez a0, .LBB30_2
; RV64I-NEXT: # %bb.1: # %start
; RV64I-NEXT: li a0, 255
; RV64I-NEXT: j .LBB30_3
; RV64I-NEXT: .LBB30_2:
; RV64I-NEXT: slti a0, s0, 0
; RV64I-NEXT: addi a0, a0, -1
; RV64I-NEXT: and a0, a0, s1
; RV64I-NEXT: .LBB30_3: # %start
; RV64I-NEXT: zext.b a0, a0
; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 32
; RV64I-NEXT: ret
start:
%0 = tail call i8 @llvm.fptoui.sat.i8.f32(float %a)
ret i8 %0
}
declare i8 @llvm.fptoui.sat.i8.f32(float)
define zeroext i32 @fcvt_wu_s_sat_zext(float %a) nounwind {
; RV32IF-LABEL: fcvt_wu_s_sat_zext:
; RV32IF: # %bb.0: # %start
; RV32IF-NEXT: fcvt.wu.s a0, fa0, rtz
; RV32IF-NEXT: feq.s a1, fa0, fa0
; RV32IF-NEXT: seqz a1, a1
; RV32IF-NEXT: addi a1, a1, -1
; RV32IF-NEXT: and a0, a1, a0
; RV32IF-NEXT: ret
;
; RV64IF-LABEL: fcvt_wu_s_sat_zext:
; RV64IF: # %bb.0: # %start
; RV64IF-NEXT: fcvt.wu.s a0, fa0, rtz
; RV64IF-NEXT: feq.s a1, fa0, fa0
; RV64IF-NEXT: seqz a1, a1
; RV64IF-NEXT: addi a1, a1, -1
; RV64IF-NEXT: and a0, a0, a1
; RV64IF-NEXT: slli a0, a0, 32
; RV64IF-NEXT: srli a0, a0, 32
; RV64IF-NEXT: ret
;
; RV32IZFINX-LABEL: fcvt_wu_s_sat_zext:
; RV32IZFINX: # %bb.0: # %start
; RV32IZFINX-NEXT: fcvt.wu.s a1, a0, rtz
; RV32IZFINX-NEXT: feq.s a0, a0, a0
; RV32IZFINX-NEXT: seqz a0, a0
; RV32IZFINX-NEXT: addi a0, a0, -1
; RV32IZFINX-NEXT: and a0, a0, a1
; RV32IZFINX-NEXT: ret
;
; RV64IZFINX-LABEL: fcvt_wu_s_sat_zext:
; RV64IZFINX: # %bb.0: # %start
; RV64IZFINX-NEXT: fcvt.wu.s a1, a0, rtz
; RV64IZFINX-NEXT: feq.s a0, a0, a0
; RV64IZFINX-NEXT: seqz a0, a0
; RV64IZFINX-NEXT: addi a0, a0, -1
; RV64IZFINX-NEXT: and a0, a1, a0
; RV64IZFINX-NEXT: slli a0, a0, 32
; RV64IZFINX-NEXT: srli a0, a0, 32
; RV64IZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_wu_s_sat_zext:
; RV32I: # %bb.0: # %start
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s0, a0
; RV32I-NEXT: li a1, 0
; RV32I-NEXT: call __gesf2
; RV32I-NEXT: slti a0, a0, 0
; RV32I-NEXT: addi s1, a0, -1
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __fixunssfsi
; RV32I-NEXT: and s1, s1, a0
; RV32I-NEXT: lui a1, 325632
; RV32I-NEXT: addi a1, a1, -1
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __gtsf2
; RV32I-NEXT: sgtz a0, a0
; RV32I-NEXT: neg a0, a0
; RV32I-NEXT: or a0, a0, s1
; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_wu_s_sat_zext:
; RV64I: # %bb.0: # %start
; RV64I-NEXT: addi sp, sp, -32
; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s2, 0(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s2, a0
; RV64I-NEXT: li a1, 0
; RV64I-NEXT: call __gesf2
; RV64I-NEXT: mv s0, a0
; RV64I-NEXT: mv a0, s2
; RV64I-NEXT: call __fixunssfdi
; RV64I-NEXT: mv s1, a0
; RV64I-NEXT: lui a1, 325632
; RV64I-NEXT: addi a1, a1, -1
; RV64I-NEXT: mv a0, s2
; RV64I-NEXT: call __gtsf2
; RV64I-NEXT: blez a0, .LBB31_2
; RV64I-NEXT: # %bb.1: # %start
; RV64I-NEXT: li a0, -1
; RV64I-NEXT: srli a0, a0, 32
; RV64I-NEXT: j .LBB31_3
; RV64I-NEXT: .LBB31_2:
; RV64I-NEXT: slti a0, s0, 0
; RV64I-NEXT: addi a0, a0, -1
; RV64I-NEXT: and a0, a0, s1
; RV64I-NEXT: .LBB31_3: # %start
; RV64I-NEXT: slli a0, a0, 32
; RV64I-NEXT: srli a0, a0, 32
; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s2, 0(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 32
; RV64I-NEXT: ret
start:
%0 = tail call i32 @llvm.fptoui.sat.i32.f32(float %a)
ret i32 %0
}
define signext i32 @fcvt_w_s_sat_sext(float %a) nounwind {
; CHECKIF-LABEL: fcvt_w_s_sat_sext:
; CHECKIF: # %bb.0: # %start
; CHECKIF-NEXT: fcvt.w.s a0, fa0, rtz
; CHECKIF-NEXT: feq.s a1, fa0, fa0
; CHECKIF-NEXT: seqz a1, a1
; CHECKIF-NEXT: addi a1, a1, -1
; CHECKIF-NEXT: and a0, a1, a0
; CHECKIF-NEXT: ret
;
; CHECKIZFINX-LABEL: fcvt_w_s_sat_sext:
; CHECKIZFINX: # %bb.0: # %start
; CHECKIZFINX-NEXT: fcvt.w.s a1, a0, rtz
; CHECKIZFINX-NEXT: feq.s a0, a0, a0
; CHECKIZFINX-NEXT: seqz a0, a0
; CHECKIZFINX-NEXT: addi a0, a0, -1
; CHECKIZFINX-NEXT: and a0, a0, a1
; CHECKIZFINX-NEXT: ret
;
; RV32I-LABEL: fcvt_w_s_sat_sext:
; RV32I: # %bb.0: # %start
; RV32I-NEXT: addi sp, sp, -32
; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s0, 24(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s1, 20(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s2, 16(sp) # 4-byte Folded Spill
; RV32I-NEXT: sw s3, 12(sp) # 4-byte Folded Spill
; RV32I-NEXT: mv s0, a0
; RV32I-NEXT: lui a1, 847872
; RV32I-NEXT: call __gesf2
; RV32I-NEXT: mv s2, a0
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __fixsfsi
; RV32I-NEXT: mv s1, a0
; RV32I-NEXT: lui s3, 524288
; RV32I-NEXT: bgez s2, .LBB32_2
; RV32I-NEXT: # %bb.1: # %start
; RV32I-NEXT: lui s1, 524288
; RV32I-NEXT: .LBB32_2: # %start
; RV32I-NEXT: lui a1, 323584
; RV32I-NEXT: addi a1, a1, -1
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: call __gtsf2
; RV32I-NEXT: blez a0, .LBB32_4
; RV32I-NEXT: # %bb.3: # %start
; RV32I-NEXT: addi s1, s3, -1
; RV32I-NEXT: .LBB32_4: # %start
; RV32I-NEXT: mv a0, s0
; RV32I-NEXT: mv a1, s0
; RV32I-NEXT: call __unordsf2
; RV32I-NEXT: snez a0, a0
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: and a0, a0, s1
; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s0, 24(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s1, 20(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s2, 16(sp) # 4-byte Folded Reload
; RV32I-NEXT: lw s3, 12(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 32
; RV32I-NEXT: ret
;
; RV64I-LABEL: fcvt_w_s_sat_sext:
; RV64I: # %bb.0: # %start
; RV64I-NEXT: addi sp, sp, -48
; RV64I-NEXT: sd ra, 40(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s0, 32(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s1, 24(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s2, 16(sp) # 8-byte Folded Spill
; RV64I-NEXT: sd s3, 8(sp) # 8-byte Folded Spill
; RV64I-NEXT: mv s0, a0
; RV64I-NEXT: lui a1, 847872
; RV64I-NEXT: call __gesf2
; RV64I-NEXT: mv s2, a0
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __fixsfdi
; RV64I-NEXT: mv s1, a0
; RV64I-NEXT: lui s3, 524288
; RV64I-NEXT: bgez s2, .LBB32_2
; RV64I-NEXT: # %bb.1: # %start
; RV64I-NEXT: lui s1, 524288
; RV64I-NEXT: .LBB32_2: # %start
; RV64I-NEXT: lui a1, 323584
; RV64I-NEXT: addi a1, a1, -1
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: call __gtsf2
; RV64I-NEXT: blez a0, .LBB32_4
; RV64I-NEXT: # %bb.3: # %start
; RV64I-NEXT: addi s1, s3, -1
; RV64I-NEXT: .LBB32_4: # %start
; RV64I-NEXT: mv a0, s0
; RV64I-NEXT: mv a1, s0
; RV64I-NEXT: call __unordsf2
; RV64I-NEXT: snez a0, a0
; RV64I-NEXT: addi a0, a0, -1
; RV64I-NEXT: and a0, a0, s1
; RV64I-NEXT: sext.w a0, a0
; RV64I-NEXT: ld ra, 40(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s0, 32(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s1, 24(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s2, 16(sp) # 8-byte Folded Reload
; RV64I-NEXT: ld s3, 8(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 48
; RV64I-NEXT: ret
start:
%0 = tail call i32 @llvm.fptosi.sat.i32.f32(float %a)
ret i32 %0
}