127 lines
4.4 KiB
LLVM
127 lines
4.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
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; Test long double atomic exchange.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck -check-prefixes=CHECK,HARDFP %s
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mattr=+soft-float | FileCheck -check-prefixes=CHECK,SOFTFP %s
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define void @f1(ptr align 16 %ret, ptr align 16 %src, ptr align 16 %b) {
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; CHECK-LABEL: f1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: stmg %r12, %r15, 96(%r15)
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; CHECK-NEXT: .cfi_offset %r12, -64
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; CHECK-NEXT: .cfi_offset %r13, -56
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; CHECK-NEXT: .cfi_offset %r15, -40
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; CHECK-NEXT: lg %r1, 8(%r4)
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; CHECK-NEXT: lg %r0, 0(%r4)
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; CHECK-NEXT: lg %r4, 8(%r3)
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; CHECK-NEXT: lg %r5, 0(%r3)
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; CHECK-NEXT: .LBB0_1: # %atomicrmw.start
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: lgr %r12, %r5
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; CHECK-NEXT: lgr %r13, %r4
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; CHECK-NEXT: cdsg %r12, %r0, 0(%r3)
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; CHECK-NEXT: lgr %r4, %r13
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; CHECK-NEXT: lgr %r5, %r12
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; CHECK-NEXT: jl .LBB0_1
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; CHECK-NEXT: # %bb.2: # %atomicrmw.end
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; CHECK-NEXT: stg %r5, 0(%r2)
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; CHECK-NEXT: stg %r4, 8(%r2)
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; CHECK-NEXT: lmg %r12, %r15, 96(%r15)
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; CHECK-NEXT: br %r14
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%val = load fp128, ptr %b, align 16
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%res = atomicrmw xchg ptr %src, fp128 %val seq_cst
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store fp128 %res, ptr %ret, align 16
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ret void
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}
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define void @f1_fpuse(ptr align 16 %ret, ptr align 16 %src, ptr align 16 %b) {
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; HARDFP-LABEL: f1_fpuse:
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; HARDFP: # %bb.0:
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; HARDFP-NEXT: stmg %r12, %r15, 96(%r15)
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; HARDFP-NEXT: .cfi_offset %r12, -64
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; HARDFP-NEXT: .cfi_offset %r13, -56
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; HARDFP-NEXT: .cfi_offset %r15, -40
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; HARDFP-NEXT: aghi %r15, -176
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; HARDFP-NEXT: .cfi_def_cfa_offset 336
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; HARDFP-NEXT: ld %f0, 0(%r4)
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; HARDFP-NEXT: ld %f2, 8(%r4)
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; HARDFP-NEXT: lg %r0, 8(%r3)
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; HARDFP-NEXT: lg %r1, 0(%r3)
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; HARDFP-NEXT: axbr %f0, %f0
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; HARDFP-NEXT: lgdr %r5, %f2
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; HARDFP-NEXT: lgdr %r4, %f0
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; HARDFP-NEXT: .LBB1_1: # %atomicrmw.start
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; HARDFP-NEXT: # =>This Inner Loop Header: Depth=1
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; HARDFP-NEXT: lgr %r12, %r1
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; HARDFP-NEXT: lgr %r13, %r0
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; HARDFP-NEXT: cdsg %r12, %r4, 0(%r3)
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; HARDFP-NEXT: lgr %r0, %r13
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; HARDFP-NEXT: lgr %r1, %r12
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; HARDFP-NEXT: jl .LBB1_1
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; HARDFP-NEXT: # %bb.2: # %atomicrmw.end
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; HARDFP-NEXT: stg %r1, 160(%r15)
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; HARDFP-NEXT: stg %r0, 168(%r15)
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; HARDFP-NEXT: ld %f0, 160(%r15)
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; HARDFP-NEXT: ld %f2, 168(%r15)
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; HARDFP-NEXT: axbr %f0, %f0
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; HARDFP-NEXT: std %f0, 0(%r2)
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; HARDFP-NEXT: std %f2, 8(%r2)
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; HARDFP-NEXT: lmg %r12, %r15, 272(%r15)
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; HARDFP-NEXT: br %r14
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;
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; SOFTFP-LABEL: f1_fpuse:
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; SOFTFP: # %bb.0:
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; SOFTFP-NEXT: stmg %r12, %r15, 96(%r15)
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; SOFTFP-NEXT: .cfi_offset %r12, -64
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; SOFTFP-NEXT: .cfi_offset %r13, -56
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; SOFTFP-NEXT: .cfi_offset %r14, -48
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; SOFTFP-NEXT: .cfi_offset %r15, -40
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; SOFTFP-NEXT: aghi %r15, -256
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; SOFTFP-NEXT: .cfi_def_cfa_offset 416
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; SOFTFP-NEXT: lg %r0, 8(%r4)
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; SOFTFP-NEXT: lg %r1, 0(%r4)
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; SOFTFP-NEXT: lgr %r12, %r3
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; SOFTFP-NEXT: lgr %r13, %r2
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; SOFTFP-NEXT: stg %r0, 216(%r15)
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; SOFTFP-NEXT: stg %r1, 208(%r15)
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; SOFTFP-NEXT: stg %r0, 232(%r15)
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; SOFTFP-NEXT: la %r2, 240(%r15)
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; SOFTFP-NEXT: la %r3, 224(%r15)
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; SOFTFP-NEXT: la %r4, 208(%r15)
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; SOFTFP-NEXT: stg %r1, 224(%r15)
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; SOFTFP-NEXT: brasl %r14, __addtf3@PLT
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; SOFTFP-NEXT: lg %r3, 248(%r15)
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; SOFTFP-NEXT: lg %r2, 240(%r15)
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; SOFTFP-NEXT: lg %r0, 8(%r12)
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; SOFTFP-NEXT: lg %r1, 0(%r12)
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; SOFTFP-NEXT: .LBB1_1: # %atomicrmw.start
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; SOFTFP-NEXT: # =>This Inner Loop Header: Depth=1
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; SOFTFP-NEXT: lgr %r4, %r1
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; SOFTFP-NEXT: lgr %r5, %r0
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; SOFTFP-NEXT: cdsg %r4, %r2, 0(%r12)
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; SOFTFP-NEXT: lgr %r0, %r5
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; SOFTFP-NEXT: lgr %r1, %r4
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; SOFTFP-NEXT: jl .LBB1_1
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; SOFTFP-NEXT: # %bb.2: # %atomicrmw.end
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; SOFTFP-NEXT: stg %r1, 160(%r15)
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; SOFTFP-NEXT: stg %r1, 176(%r15)
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; SOFTFP-NEXT: stg %r0, 168(%r15)
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; SOFTFP-NEXT: la %r2, 192(%r15)
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; SOFTFP-NEXT: la %r3, 176(%r15)
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; SOFTFP-NEXT: la %r4, 160(%r15)
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; SOFTFP-NEXT: stg %r0, 184(%r15)
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; SOFTFP-NEXT: brasl %r14, __addtf3@PLT
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; SOFTFP-NEXT: lg %r0, 200(%r15)
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; SOFTFP-NEXT: lg %r1, 192(%r15)
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; SOFTFP-NEXT: stg %r0, 8(%r13)
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; SOFTFP-NEXT: stg %r1, 0(%r13)
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; SOFTFP-NEXT: lmg %r12, %r15, 352(%r15)
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; SOFTFP-NEXT: br %r14
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%val = load fp128, ptr %b, align 16
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%add.src = fadd fp128 %val, %val
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%res = atomicrmw xchg ptr %src, fp128 %add.src seq_cst
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%res.x2 = fadd fp128 %res, %res
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store fp128 %res.x2, ptr %ret, align 16
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ret void
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}
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