9dafd6f6d9
This reverts commit r337951.
While that kind of shared constant generally works fine in a MinGW
setting, it broke some cases of inline assembly that worked before:
$ cat const-asm.c
int MULH(int a, int b) {
int rt, dummy;
__asm__ (
"imull %3"
:"=d"(rt), "=a"(dummy)
:"a"(a), "rm"(b)
);
return rt;
}
int func(int a) {
return MULH(a, 1);
}
$ clang -target x86_64-win32-gnu -c const-asm.c -O2
const-asm.c:4:9: error: invalid variant '00000001'
"imull %3"
^
<inline asm>:1:15: note: instantiated into assembly here
imull __real@00000001(%rip)
^
A similar error is produced for i686 as well. The same test with a
target of x86_64-win32-msvc or i686-win32-msvc works fine.
llvm-svn: 338018
25 lines
920 B
LLVM
25 lines
920 B
LLVM
; RUN: llc < %s -mtriple=aarch64-win32-msvc | FileCheck %s
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; RUN: llc < %s -mtriple=aarch64-win32-gnu | FileCheck -check-prefix=MINGW %s
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define double @double() {
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ret double 0x0000000000800000
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}
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; CHECK: .globl __real@0000000000800000
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; CHECK-NEXT: .section .rdata,"dr",discard,__real@0000000000800000
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; CHECK-NEXT: .p2align 3
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; CHECK-NEXT: __real@0000000000800000:
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; CHECK-NEXT: .xword 8388608
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; CHECK: double:
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; CHECK: adrp x8, __real@0000000000800000
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; CHECK-NEXT: ldr d0, [x8, __real@0000000000800000]
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; CHECK-NEXT: ret
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; MINGW: .section .rdata,"dr"
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; MINGW-NEXT: .p2align 3
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; MINGW-NEXT: [[LABEL:\.LC.*]]:
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; MINGW-NEXT: .xword 8388608
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; MINGW: double:
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; MINGW: adrp x8, [[LABEL]]
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; MINGW-NEXT: ldr d0, [x8, [[LABEL]]]
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; MINGW-NEXT: ret
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