74a09bd1ec
Improve tests for atomic loads and stores, mainly by testing 128-bit atomic load and store instructions both with and w/out natural alignment.
18 lines
543 B
LLVM
18 lines
543 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
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; Test float atomic stores.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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define void @f1(ptr %src, float %val) {
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; CHECK-LABEL: f1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: # kill: def $f0s killed $f0s def $f0d
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; CHECK-NEXT: lgdr %r0, %f0
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; CHECK-NEXT: srlg %r0, %r0, 32
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; CHECK-NEXT: st %r0, 0(%r2)
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; CHECK-NEXT: bcr 15, %r0
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; CHECK-NEXT: br %r14
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store atomic float %val, ptr %src seq_cst, align 4
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ret void
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}
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