7b0c41841e
We don't have very many compressible FP instructions, just load and store. These instruction require the FP register to be f8-f15. This patch changes the FP allocation order to prioritize f10-f15 first. These are also the FP argument registers. So I allocated them in reverse order starting at f15 to avoid taking the first argument registers. This appears to match gcc allocation order. Reviewed By: asb Differential Revision: https://reviews.llvm.org/D146488
575 lines
20 KiB
LLVM
575 lines
20 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \
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; RUN: -disable-strictnode-mutation -target-abi=ilp32f \
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; RUN: | FileCheck -check-prefixes=CHECKIF,RV32IF %s
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; RUN: llc -mtriple=riscv64 -mattr=+f -verify-machineinstrs < %s \
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; RUN: -disable-strictnode-mutation -target-abi=lp64f \
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; RUN: | FileCheck -check-prefixes=CHECKIF,RV64IF %s
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; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
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; RUN: -disable-strictnode-mutation | FileCheck -check-prefix=RV32I %s
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; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
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; RUN: -disable-strictnode-mutation | FileCheck -check-prefix=RV64I %s
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define float @fadd_s(float %a, float %b) nounwind strictfp {
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; CHECKIF-LABEL: fadd_s:
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; CHECKIF: # %bb.0:
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; CHECKIF-NEXT: fadd.s fa0, fa0, fa1
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; CHECKIF-NEXT: ret
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;
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; RV32I-LABEL: fadd_s:
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; RV32I: # %bb.0:
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; RV32I-NEXT: addi sp, sp, -16
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; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32I-NEXT: call __addsf3@plt
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; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32I-NEXT: addi sp, sp, 16
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; RV32I-NEXT: ret
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;
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; RV64I-LABEL: fadd_s:
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; RV64I: # %bb.0:
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; RV64I-NEXT: addi sp, sp, -16
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; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64I-NEXT: call __addsf3@plt
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; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64I-NEXT: addi sp, sp, 16
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; RV64I-NEXT: ret
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%1 = call float @llvm.experimental.constrained.fadd.f32(float %a, float %b, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
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ret float %1
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}
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declare float @llvm.experimental.constrained.fadd.f32(float, float, metadata, metadata)
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define float @fsub_s(float %a, float %b) nounwind strictfp {
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; CHECKIF-LABEL: fsub_s:
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; CHECKIF: # %bb.0:
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; CHECKIF-NEXT: fsub.s fa0, fa0, fa1
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; CHECKIF-NEXT: ret
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;
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; RV32I-LABEL: fsub_s:
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; RV32I: # %bb.0:
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; RV32I-NEXT: addi sp, sp, -16
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; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32I-NEXT: call __subsf3@plt
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; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32I-NEXT: addi sp, sp, 16
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; RV32I-NEXT: ret
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;
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; RV64I-LABEL: fsub_s:
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; RV64I: # %bb.0:
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; RV64I-NEXT: addi sp, sp, -16
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; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64I-NEXT: call __subsf3@plt
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; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64I-NEXT: addi sp, sp, 16
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; RV64I-NEXT: ret
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%1 = call float @llvm.experimental.constrained.fsub.f32(float %a, float %b, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
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ret float %1
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}
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declare float @llvm.experimental.constrained.fsub.f32(float, float, metadata, metadata)
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define float @fmul_s(float %a, float %b) nounwind strictfp {
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; CHECKIF-LABEL: fmul_s:
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; CHECKIF: # %bb.0:
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; CHECKIF-NEXT: fmul.s fa0, fa0, fa1
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; CHECKIF-NEXT: ret
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;
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; RV32I-LABEL: fmul_s:
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; RV32I: # %bb.0:
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; RV32I-NEXT: addi sp, sp, -16
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; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32I-NEXT: call __mulsf3@plt
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; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32I-NEXT: addi sp, sp, 16
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; RV32I-NEXT: ret
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;
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; RV64I-LABEL: fmul_s:
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; RV64I: # %bb.0:
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; RV64I-NEXT: addi sp, sp, -16
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; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64I-NEXT: call __mulsf3@plt
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; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64I-NEXT: addi sp, sp, 16
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; RV64I-NEXT: ret
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%1 = call float @llvm.experimental.constrained.fmul.f32(float %a, float %b, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
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ret float %1
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}
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declare float @llvm.experimental.constrained.fmul.f32(float, float, metadata, metadata)
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define float @fdiv_s(float %a, float %b) nounwind strictfp {
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; CHECKIF-LABEL: fdiv_s:
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; CHECKIF: # %bb.0:
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; CHECKIF-NEXT: fdiv.s fa0, fa0, fa1
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; CHECKIF-NEXT: ret
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;
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; RV32I-LABEL: fdiv_s:
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; RV32I: # %bb.0:
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; RV32I-NEXT: addi sp, sp, -16
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; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32I-NEXT: call __divsf3@plt
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; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32I-NEXT: addi sp, sp, 16
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; RV32I-NEXT: ret
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;
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; RV64I-LABEL: fdiv_s:
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; RV64I: # %bb.0:
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; RV64I-NEXT: addi sp, sp, -16
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; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64I-NEXT: call __divsf3@plt
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; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64I-NEXT: addi sp, sp, 16
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; RV64I-NEXT: ret
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%1 = call float @llvm.experimental.constrained.fdiv.f32(float %a, float %b, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
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ret float %1
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}
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declare float @llvm.experimental.constrained.fdiv.f32(float, float, metadata, metadata)
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define float @fsqrt_s(float %a) nounwind strictfp {
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; CHECKIF-LABEL: fsqrt_s:
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; CHECKIF: # %bb.0:
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; CHECKIF-NEXT: fsqrt.s fa0, fa0
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; CHECKIF-NEXT: ret
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;
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; RV32I-LABEL: fsqrt_s:
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; RV32I: # %bb.0:
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; RV32I-NEXT: addi sp, sp, -16
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; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32I-NEXT: call sqrtf@plt
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; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32I-NEXT: addi sp, sp, 16
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; RV32I-NEXT: ret
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;
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; RV64I-LABEL: fsqrt_s:
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; RV64I: # %bb.0:
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; RV64I-NEXT: addi sp, sp, -16
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; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64I-NEXT: call sqrtf@plt
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; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64I-NEXT: addi sp, sp, 16
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; RV64I-NEXT: ret
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%1 = call float @llvm.experimental.constrained.sqrt.f32(float %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
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ret float %1
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}
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declare float @llvm.experimental.constrained.sqrt.f32(float, metadata, metadata)
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define float @fmin_s(float %a, float %b) nounwind strictfp {
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; RV32IF-LABEL: fmin_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: addi sp, sp, -16
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; RV32IF-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32IF-NEXT: call fminf@plt
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; RV32IF-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32IF-NEXT: addi sp, sp, 16
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; RV32IF-NEXT: ret
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;
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; RV64IF-LABEL: fmin_s:
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; RV64IF: # %bb.0:
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; RV64IF-NEXT: addi sp, sp, -16
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; RV64IF-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64IF-NEXT: call fminf@plt
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; RV64IF-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64IF-NEXT: addi sp, sp, 16
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; RV64IF-NEXT: ret
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;
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; RV32I-LABEL: fmin_s:
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; RV32I: # %bb.0:
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; RV32I-NEXT: addi sp, sp, -16
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; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32I-NEXT: call fminf@plt
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; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32I-NEXT: addi sp, sp, 16
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; RV32I-NEXT: ret
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;
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; RV64I-LABEL: fmin_s:
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; RV64I: # %bb.0:
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; RV64I-NEXT: addi sp, sp, -16
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; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64I-NEXT: call fminf@plt
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; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64I-NEXT: addi sp, sp, 16
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; RV64I-NEXT: ret
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%1 = call float @llvm.experimental.constrained.minnum.f32(float %a, float %b, metadata !"fpexcept.strict") strictfp
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ret float %1
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}
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declare float @llvm.experimental.constrained.minnum.f32(float, float, metadata) strictfp
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define float @fmax_s(float %a, float %b) nounwind strictfp {
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; RV32IF-LABEL: fmax_s:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: addi sp, sp, -16
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; RV32IF-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32IF-NEXT: call fmaxf@plt
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; RV32IF-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32IF-NEXT: addi sp, sp, 16
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; RV32IF-NEXT: ret
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;
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; RV64IF-LABEL: fmax_s:
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; RV64IF: # %bb.0:
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; RV64IF-NEXT: addi sp, sp, -16
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; RV64IF-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64IF-NEXT: call fmaxf@plt
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; RV64IF-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64IF-NEXT: addi sp, sp, 16
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; RV64IF-NEXT: ret
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;
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; RV32I-LABEL: fmax_s:
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; RV32I: # %bb.0:
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; RV32I-NEXT: addi sp, sp, -16
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; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32I-NEXT: call fmaxf@plt
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; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32I-NEXT: addi sp, sp, 16
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; RV32I-NEXT: ret
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;
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; RV64I-LABEL: fmax_s:
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; RV64I: # %bb.0:
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; RV64I-NEXT: addi sp, sp, -16
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; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64I-NEXT: call fmaxf@plt
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; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64I-NEXT: addi sp, sp, 16
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; RV64I-NEXT: ret
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%1 = call float @llvm.experimental.constrained.maxnum.f32(float %a, float %b, metadata !"fpexcept.strict") strictfp
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ret float %1
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}
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declare float @llvm.experimental.constrained.maxnum.f32(float, float, metadata) strictfp
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define float @fmadd_s(float %a, float %b, float %c) nounwind strictfp {
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; CHECKIF-LABEL: fmadd_s:
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; CHECKIF: # %bb.0:
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; CHECKIF-NEXT: fmadd.s fa0, fa0, fa1, fa2
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; CHECKIF-NEXT: ret
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;
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; RV32I-LABEL: fmadd_s:
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; RV32I: # %bb.0:
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; RV32I-NEXT: addi sp, sp, -16
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; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32I-NEXT: call fmaf@plt
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; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32I-NEXT: addi sp, sp, 16
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; RV32I-NEXT: ret
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;
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; RV64I-LABEL: fmadd_s:
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; RV64I: # %bb.0:
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; RV64I-NEXT: addi sp, sp, -16
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; RV64I-NEXT: sd ra, 8(sp) # 8-byte Folded Spill
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; RV64I-NEXT: call fmaf@plt
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; RV64I-NEXT: ld ra, 8(sp) # 8-byte Folded Reload
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; RV64I-NEXT: addi sp, sp, 16
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; RV64I-NEXT: ret
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%1 = call float @llvm.experimental.constrained.fma.f32(float %a, float %b, float %c, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
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ret float %1
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}
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declare float @llvm.experimental.constrained.fma.f32(float, float, float, metadata, metadata) strictfp
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define float @fmsub_s(float %a, float %b, float %c) nounwind strictfp {
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; CHECKIF-LABEL: fmsub_s:
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; CHECKIF: # %bb.0:
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; CHECKIF-NEXT: fmv.w.x fa5, zero
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; CHECKIF-NEXT: fadd.s fa5, fa2, fa5
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; CHECKIF-NEXT: fmsub.s fa0, fa0, fa1, fa5
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; CHECKIF-NEXT: ret
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;
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; RV32I-LABEL: fmsub_s:
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; RV32I: # %bb.0:
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; RV32I-NEXT: addi sp, sp, -16
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; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
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; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
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; RV32I-NEXT: mv s0, a1
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; RV32I-NEXT: mv s1, a0
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; RV32I-NEXT: mv a0, a2
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; RV32I-NEXT: li a1, 0
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; RV32I-NEXT: call __addsf3@plt
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; RV32I-NEXT: lui a2, 524288
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; RV32I-NEXT: xor a2, a0, a2
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; RV32I-NEXT: mv a0, s1
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; RV32I-NEXT: mv a1, s0
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; RV32I-NEXT: call fmaf@plt
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; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
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; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
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; RV32I-NEXT: addi sp, sp, 16
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; RV32I-NEXT: ret
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;
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; RV64I-LABEL: fmsub_s:
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; RV64I: # %bb.0:
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; RV64I-NEXT: addi sp, sp, -32
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; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
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; RV64I-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
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; RV64I-NEXT: sd s1, 8(sp) # 8-byte Folded Spill
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; RV64I-NEXT: mv s0, a1
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; RV64I-NEXT: mv s1, a0
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; RV64I-NEXT: mv a0, a2
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; RV64I-NEXT: li a1, 0
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; RV64I-NEXT: call __addsf3@plt
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; RV64I-NEXT: lui a2, 524288
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; RV64I-NEXT: xor a2, a0, a2
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; RV64I-NEXT: mv a0, s1
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; RV64I-NEXT: mv a1, s0
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; RV64I-NEXT: call fmaf@plt
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; RV64I-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
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; RV64I-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
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; RV64I-NEXT: ld s1, 8(sp) # 8-byte Folded Reload
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; RV64I-NEXT: addi sp, sp, 32
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; RV64I-NEXT: ret
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%c_ = fadd float 0.0, %c ; avoid negation using xor
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%negc = fneg float %c_
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%1 = call float @llvm.experimental.constrained.fma.f32(float %a, float %b, float %negc, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
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ret float %1
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}
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define float @fnmadd_s(float %a, float %b, float %c) nounwind strictfp {
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; CHECKIF-LABEL: fnmadd_s:
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; CHECKIF: # %bb.0:
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; CHECKIF-NEXT: fmv.w.x fa5, zero
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; CHECKIF-NEXT: fadd.s fa4, fa0, fa5
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; CHECKIF-NEXT: fadd.s fa5, fa2, fa5
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; CHECKIF-NEXT: fnmadd.s fa0, fa4, fa1, fa5
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; CHECKIF-NEXT: ret
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;
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; RV32I-LABEL: fnmadd_s:
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; RV32I: # %bb.0:
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; RV32I-NEXT: addi sp, sp, -16
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; RV32I-NEXT: sw ra, 12(sp) # 4-byte Folded Spill
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; RV32I-NEXT: sw s0, 8(sp) # 4-byte Folded Spill
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; RV32I-NEXT: sw s1, 4(sp) # 4-byte Folded Spill
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; RV32I-NEXT: sw s2, 0(sp) # 4-byte Folded Spill
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; RV32I-NEXT: mv s0, a2
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; RV32I-NEXT: mv s1, a1
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; RV32I-NEXT: li a1, 0
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; RV32I-NEXT: call __addsf3@plt
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; RV32I-NEXT: mv s2, a0
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; RV32I-NEXT: mv a0, s0
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; RV32I-NEXT: li a1, 0
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; RV32I-NEXT: call __addsf3@plt
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; RV32I-NEXT: lui a2, 524288
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; RV32I-NEXT: xor a1, s2, a2
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; RV32I-NEXT: xor a2, a0, a2
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; RV32I-NEXT: mv a0, a1
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; RV32I-NEXT: mv a1, s1
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; RV32I-NEXT: call fmaf@plt
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; RV32I-NEXT: lw ra, 12(sp) # 4-byte Folded Reload
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; RV32I-NEXT: lw s0, 8(sp) # 4-byte Folded Reload
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; RV32I-NEXT: lw s1, 4(sp) # 4-byte Folded Reload
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; RV32I-NEXT: lw s2, 0(sp) # 4-byte Folded Reload
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; RV32I-NEXT: addi sp, sp, 16
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; RV32I-NEXT: ret
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;
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; RV64I-LABEL: fnmadd_s:
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; RV64I: # %bb.0:
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; RV64I-NEXT: addi sp, sp, -32
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; RV64I-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
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; 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, a2
|
|
; RV64I-NEXT: mv s1, a1
|
|
; RV64I-NEXT: li a1, 0
|
|
; RV64I-NEXT: call __addsf3@plt
|
|
; RV64I-NEXT: mv s2, a0
|
|
; RV64I-NEXT: mv a0, s0
|
|
; RV64I-NEXT: li a1, 0
|
|
; RV64I-NEXT: call __addsf3@plt
|
|
; RV64I-NEXT: lui a2, 524288
|
|
; RV64I-NEXT: xor a1, s2, a2
|
|
; RV64I-NEXT: xor a2, a0, a2
|
|
; RV64I-NEXT: mv a0, a1
|
|
; RV64I-NEXT: mv a1, s1
|
|
; RV64I-NEXT: call fmaf@plt
|
|
; 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
|
|
%a_ = fadd float 0.0, %a
|
|
%c_ = fadd float 0.0, %c
|
|
%nega = fneg float %a_
|
|
%negc = fneg float %c_
|
|
%1 = call float @llvm.experimental.constrained.fma.f32(float %nega, float %b, float %negc, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
|
|
ret float %1
|
|
}
|
|
|
|
define float @fnmadd_s_2(float %a, float %b, float %c) nounwind strictfp {
|
|
; CHECKIF-LABEL: fnmadd_s_2:
|
|
; CHECKIF: # %bb.0:
|
|
; CHECKIF-NEXT: fmv.w.x fa5, zero
|
|
; CHECKIF-NEXT: fadd.s fa4, fa1, fa5
|
|
; CHECKIF-NEXT: fadd.s fa5, fa2, fa5
|
|
; CHECKIF-NEXT: fnmadd.s fa0, fa4, fa0, fa5
|
|
; CHECKIF-NEXT: ret
|
|
;
|
|
; RV32I-LABEL: fnmadd_s_2:
|
|
; 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: sw s2, 0(sp) # 4-byte Folded Spill
|
|
; RV32I-NEXT: mv s0, a2
|
|
; RV32I-NEXT: mv s1, a0
|
|
; RV32I-NEXT: mv a0, a1
|
|
; RV32I-NEXT: li a1, 0
|
|
; RV32I-NEXT: call __addsf3@plt
|
|
; RV32I-NEXT: mv s2, a0
|
|
; RV32I-NEXT: mv a0, s0
|
|
; RV32I-NEXT: li a1, 0
|
|
; RV32I-NEXT: call __addsf3@plt
|
|
; RV32I-NEXT: lui a2, 524288
|
|
; RV32I-NEXT: xor a1, s2, a2
|
|
; RV32I-NEXT: xor a2, a0, a2
|
|
; RV32I-NEXT: mv a0, s1
|
|
; RV32I-NEXT: call fmaf@plt
|
|
; 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: fnmadd_s_2:
|
|
; 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: sd s2, 0(sp) # 8-byte Folded Spill
|
|
; RV64I-NEXT: mv s0, a2
|
|
; RV64I-NEXT: mv s1, a0
|
|
; RV64I-NEXT: mv a0, a1
|
|
; RV64I-NEXT: li a1, 0
|
|
; RV64I-NEXT: call __addsf3@plt
|
|
; RV64I-NEXT: mv s2, a0
|
|
; RV64I-NEXT: mv a0, s0
|
|
; RV64I-NEXT: li a1, 0
|
|
; RV64I-NEXT: call __addsf3@plt
|
|
; RV64I-NEXT: lui a2, 524288
|
|
; RV64I-NEXT: xor a1, s2, a2
|
|
; RV64I-NEXT: xor a2, a0, a2
|
|
; RV64I-NEXT: mv a0, s1
|
|
; RV64I-NEXT: call fmaf@plt
|
|
; 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
|
|
%b_ = fadd float 0.0, %b
|
|
%c_ = fadd float 0.0, %c
|
|
%negb = fneg float %b_
|
|
%negc = fneg float %c_
|
|
%1 = call float @llvm.experimental.constrained.fma.f32(float %a, float %negb, float %negc, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
|
|
ret float %1
|
|
}
|
|
|
|
define float @fnmsub_s(float %a, float %b, float %c) nounwind strictfp {
|
|
; CHECKIF-LABEL: fnmsub_s:
|
|
; CHECKIF: # %bb.0:
|
|
; CHECKIF-NEXT: fmv.w.x fa5, zero
|
|
; CHECKIF-NEXT: fadd.s fa5, fa0, fa5
|
|
; CHECKIF-NEXT: fnmsub.s fa0, fa5, fa1, fa2
|
|
; CHECKIF-NEXT: ret
|
|
;
|
|
; RV32I-LABEL: fnmsub_s:
|
|
; 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, a2
|
|
; RV32I-NEXT: mv s1, a1
|
|
; RV32I-NEXT: li a1, 0
|
|
; RV32I-NEXT: call __addsf3@plt
|
|
; RV32I-NEXT: lui a1, 524288
|
|
; RV32I-NEXT: xor a0, a0, a1
|
|
; RV32I-NEXT: mv a1, s1
|
|
; RV32I-NEXT: mv a2, s0
|
|
; RV32I-NEXT: call fmaf@plt
|
|
; 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: fnmsub_s:
|
|
; 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, a2
|
|
; RV64I-NEXT: mv s1, a1
|
|
; RV64I-NEXT: li a1, 0
|
|
; RV64I-NEXT: call __addsf3@plt
|
|
; RV64I-NEXT: lui a1, 524288
|
|
; RV64I-NEXT: xor a0, a0, a1
|
|
; RV64I-NEXT: mv a1, s1
|
|
; RV64I-NEXT: mv a2, s0
|
|
; RV64I-NEXT: call fmaf@plt
|
|
; 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
|
|
%a_ = fadd float 0.0, %a
|
|
%nega = fneg float %a_
|
|
%1 = call float @llvm.experimental.constrained.fma.f32(float %nega, float %b, float %c, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
|
|
ret float %1
|
|
}
|
|
|
|
define float @fnmsub_s_2(float %a, float %b, float %c) nounwind strictfp {
|
|
; CHECKIF-LABEL: fnmsub_s_2:
|
|
; CHECKIF: # %bb.0:
|
|
; CHECKIF-NEXT: fmv.w.x fa5, zero
|
|
; CHECKIF-NEXT: fadd.s fa5, fa1, fa5
|
|
; CHECKIF-NEXT: fnmsub.s fa0, fa5, fa0, fa2
|
|
; CHECKIF-NEXT: ret
|
|
;
|
|
; RV32I-LABEL: fnmsub_s_2:
|
|
; 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, a2
|
|
; RV32I-NEXT: mv s1, a0
|
|
; RV32I-NEXT: mv a0, a1
|
|
; RV32I-NEXT: li a1, 0
|
|
; RV32I-NEXT: call __addsf3@plt
|
|
; RV32I-NEXT: lui a1, 524288
|
|
; RV32I-NEXT: xor a1, a0, a1
|
|
; RV32I-NEXT: mv a0, s1
|
|
; RV32I-NEXT: mv a2, s0
|
|
; RV32I-NEXT: call fmaf@plt
|
|
; 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: fnmsub_s_2:
|
|
; 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, a2
|
|
; RV64I-NEXT: mv s1, a0
|
|
; RV64I-NEXT: mv a0, a1
|
|
; RV64I-NEXT: li a1, 0
|
|
; RV64I-NEXT: call __addsf3@plt
|
|
; RV64I-NEXT: lui a1, 524288
|
|
; RV64I-NEXT: xor a1, a0, a1
|
|
; RV64I-NEXT: mv a0, s1
|
|
; RV64I-NEXT: mv a2, s0
|
|
; RV64I-NEXT: call fmaf@plt
|
|
; 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
|
|
%b_ = fadd float 0.0, %b
|
|
%negb = fneg float %b_
|
|
%1 = call float @llvm.experimental.constrained.fma.f32(float %a, float %negb, float %c, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
|
|
ret float %1
|
|
}
|