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[X86][MS] Change the alignment of f80 to 16 bytes on Windows 32bits t…
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…o match with ICC

MSVC currently doesn't support 80 bits long double. ICC supports it when
the option `/Qlong-double` is specified. Changing the alignment of f80
to 16 bytes so that we can be compatible with ICC's option.

Reviewed By: rnk, craig.topper

Differential Revision: https://reviews.llvm.org/D115942
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@phoebewang
phoebewang committed Jan 12, 2022
1 parent fe958b1 commit 1bb0caf
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Showing 9 changed files with 194 additions and 99 deletions.
11 changes: 6 additions & 5 deletions clang/lib/Basic/Targets/X86.h
View file
Expand Up @@ -533,11 +533,12 @@ class LLVM_LIBRARY_VISIBILITY WindowsX86_32TargetInfo
DoubleAlign = LongLongAlign = 64;
bool IsWinCOFF =
getTriple().isOSWindows() && getTriple().isOSBinFormatCOFF();
resetDataLayout(IsWinCOFF ? "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:"
"64-i64:64-f80:32-n8:16:32-a:0:32-S32"
: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:"
"64-i64:64-f80:32-n8:16:32-a:0:32-S32",
IsWinCOFF ? "_" : "");
bool IsMSVC = getTriple().isWindowsMSVCEnvironment();
std::string Layout = IsWinCOFF ? "e-m:x" : "e-m:e";
Layout += "-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64-";
Layout += IsMSVC ? "f80:128" : "f80:32";
Layout += "-n8:16:32-a:0:32-S32";
resetDataLayout(Layout, IsWinCOFF ? "_" : "");
}
};

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2 changes: 1 addition & 1 deletion clang/test/CodeGen/target-data.c
View file
Expand Up @@ -8,7 +8,7 @@

// RUN: %clang_cc1 -triple i686-unknown-win32 -emit-llvm -o - %s | \
// RUN: FileCheck --check-prefix=I686-WIN32 %s
// I686-WIN32: target datalayout = "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:32-n8:16:32-a:0:32-S32"
// I686-WIN32: target datalayout = "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32-a:0:32-S32"

// RUN: %clang_cc1 -triple i686-unknown-cygwin -emit-llvm -o - %s | \
// RUN: FileCheck --check-prefix=I686-CYGWIN %s
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19 changes: 15 additions & 4 deletions llvm/lib/IR/AutoUpgrade.cpp
View file
Expand Up @@ -4569,18 +4569,29 @@ std::string llvm::UpgradeDataLayoutString(StringRef DL, StringRef TT) {
return DL.empty() ? std::string("G1") : (DL + "-G1").str();
}

std::string Res = DL.str();
std::string AddrSpaces = "-p270:32:32-p271:32:32-p272:64:64";
// If X86, and the datalayout matches the expected format, add pointer size
// address spaces to the datalayout.
if (!T.isX86() || DL.contains(AddrSpaces))
return std::string(DL);
return Res;

SmallVector<StringRef, 4> Groups;
Regex R("(e-m:[a-z](-p:32:32)?)(-[if]64:.*$)");
if (!R.match(DL, &Groups))
return std::string(DL);
if (R.match(DL, &Groups))
Res = (Groups[1] + AddrSpaces + Groups[3]).str();

// For 32-bit MSVC targets, raise the alignment of f80 values to 16 bytes.
// Raising the alignment is safe because Clang did not produce f80 values in
// the MSVC environment before this upgrade was added.
if (T.isWindowsMSVCEnvironment() && !T.isArch64Bit()) {
StringRef Ref = Res;
auto I = Ref.find("-f80:32-");
if (I != StringRef::npos)
Res = (Ref.take_front(I) + "-f80:128-" + Ref.drop_front(I + 8)).str();
}

return (Groups[1] + AddrSpaces + Groups[3]).str();
return Res;
}

void llvm::UpgradeAttributes(AttrBuilder &B) {
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2 changes: 1 addition & 1 deletion llvm/lib/Target/X86/X86TargetMachine.cpp
View file
Expand Up @@ -127,7 +127,7 @@ static std::string computeDataLayout(const Triple &TT) {
// Some ABIs align long double to 128 bits, others to 32.
if (TT.isOSNaCl() || TT.isOSIAMCU())
; // No f80
else if (TT.isArch64Bit() || TT.isOSDarwin())
else if (TT.isArch64Bit() || TT.isOSDarwin() || TT.isWindowsMSVCEnvironment())
Ret += "-f80:128";
else
Ret += "-f80:32";
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2 changes: 1 addition & 1 deletion llvm/test/Bitcode/upgrade-datalayout3.ll
View file
Expand Up @@ -5,4 +5,4 @@
target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
target triple = "i686-pc-windows-msvc"

; CHECK: target datalayout = "e-m:w-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:32-n8:16:32-S32"
; CHECK: target datalayout = "e-m:w-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32-S32"
4 changes: 2 additions & 2 deletions llvm/test/CodeGen/X86/long-double-abi-align.ll
View file
Expand Up @@ -11,7 +11,7 @@ define void @foo(i32 %0, x86_fp80 %1, i32 %2) nounwind {
; MSVC-NEXT: movl %esp, %ebp
; MSVC-NEXT: andl $-16, %esp
; MSVC-NEXT: subl $32, %esp
; MSVC-NEXT: fldt 12(%ebp)
; MSVC-NEXT: fldt 24(%ebp)
; MSVC-NEXT: fstpt (%esp)
; MSVC-NEXT: leal 8(%ebp), %eax
; MSVC-NEXT: pushl %eax
Expand All @@ -21,7 +21,7 @@ define void @foo(i32 %0, x86_fp80 %1, i32 %2) nounwind {
; MSVC-NEXT: pushl %eax
; MSVC-NEXT: calll _escape
; MSVC-NEXT: addl $4, %esp
; MSVC-NEXT: leal 24(%ebp), %eax
; MSVC-NEXT: leal 40(%ebp), %eax
; MSVC-NEXT: pushl %eax
; MSVC-NEXT: calll _escape
; MSVC-NEXT: addl $4, %esp
Expand Down
219 changes: 151 additions & 68 deletions llvm/test/CodeGen/X86/scalar-fp-to-i32.ll
View file
Expand Up @@ -344,8 +344,8 @@ define i32 @x_to_u32(x86_fp80 %a) nounwind {
; X86-AVX512-WIN: # %bb.0:
; X86-AVX512-WIN-NEXT: pushl %ebp
; X86-AVX512-WIN-NEXT: movl %esp, %ebp
; X86-AVX512-WIN-NEXT: andl $-8, %esp
; X86-AVX512-WIN-NEXT: subl $8, %esp
; X86-AVX512-WIN-NEXT: andl $-16, %esp
; X86-AVX512-WIN-NEXT: subl $16, %esp
; X86-AVX512-WIN-NEXT: fldt 8(%ebp)
; X86-AVX512-WIN-NEXT: fisttpll (%esp)
; X86-AVX512-WIN-NEXT: movl (%esp), %eax
Expand Down Expand Up @@ -382,8 +382,8 @@ define i32 @x_to_u32(x86_fp80 %a) nounwind {
; X86-SSE3-WIN: # %bb.0:
; X86-SSE3-WIN-NEXT: pushl %ebp
; X86-SSE3-WIN-NEXT: movl %esp, %ebp
; X86-SSE3-WIN-NEXT: andl $-8, %esp
; X86-SSE3-WIN-NEXT: subl $8, %esp
; X86-SSE3-WIN-NEXT: andl $-16, %esp
; X86-SSE3-WIN-NEXT: subl $16, %esp
; X86-SSE3-WIN-NEXT: fldt 8(%ebp)
; X86-SSE3-WIN-NEXT: fisttpll (%esp)
; X86-SSE3-WIN-NEXT: movl (%esp), %eax
Expand Down Expand Up @@ -420,8 +420,8 @@ define i32 @x_to_u32(x86_fp80 %a) nounwind {
; X86-SSE2-WIN: # %bb.0:
; X86-SSE2-WIN-NEXT: pushl %ebp
; X86-SSE2-WIN-NEXT: movl %esp, %ebp
; X86-SSE2-WIN-NEXT: andl $-8, %esp
; X86-SSE2-WIN-NEXT: subl $16, %esp
; X86-SSE2-WIN-NEXT: andl $-16, %esp
; X86-SSE2-WIN-NEXT: subl $32, %esp
; X86-SSE2-WIN-NEXT: fldt 8(%ebp)
; X86-SSE2-WIN-NEXT: fnstcw {{[0-9]+}}(%esp)
; X86-SSE2-WIN-NEXT: movzwl {{[0-9]+}}(%esp), %eax
Expand Down Expand Up @@ -482,8 +482,8 @@ define i32 @x_to_u32(x86_fp80 %a) nounwind {
; X86-SSE1-WIN: # %bb.0:
; X86-SSE1-WIN-NEXT: pushl %ebp
; X86-SSE1-WIN-NEXT: movl %esp, %ebp
; X86-SSE1-WIN-NEXT: andl $-8, %esp
; X86-SSE1-WIN-NEXT: subl $16, %esp
; X86-SSE1-WIN-NEXT: andl $-16, %esp
; X86-SSE1-WIN-NEXT: subl $32, %esp
; X86-SSE1-WIN-NEXT: fldt 8(%ebp)
; X86-SSE1-WIN-NEXT: fnstcw {{[0-9]+}}(%esp)
; X86-SSE1-WIN-NEXT: movzwl {{[0-9]+}}(%esp), %eax
Expand Down Expand Up @@ -516,8 +516,8 @@ define i32 @x_to_u32(x86_fp80 %a) nounwind {
; X87-WIN: # %bb.0:
; X87-WIN-NEXT: pushl %ebp
; X87-WIN-NEXT: movl %esp, %ebp
; X87-WIN-NEXT: andl $-8, %esp
; X87-WIN-NEXT: subl $16, %esp
; X87-WIN-NEXT: andl $-16, %esp
; X87-WIN-NEXT: subl $32, %esp
; X87-WIN-NEXT: fldt 8(%ebp)
; X87-WIN-NEXT: fnstcw {{[0-9]+}}(%esp)
; X87-WIN-NEXT: movzwl {{[0-9]+}}(%esp), %eax
Expand Down Expand Up @@ -550,14 +550,27 @@ define i32 @x_to_u32(x86_fp80 %a) nounwind {
}

define i32 @x_to_s32(x86_fp80 %a) nounwind {
; X86-AVX512-LABEL: x_to_s32:
; X86-AVX512: # %bb.0:
; X86-AVX512-NEXT: pushl %eax
; X86-AVX512-NEXT: fldt {{[0-9]+}}(%esp)
; X86-AVX512-NEXT: fisttpl (%esp)
; X86-AVX512-NEXT: movl (%esp), %eax
; X86-AVX512-NEXT: popl %ecx
; X86-AVX512-NEXT: retl
; X86-AVX512-WIN-LABEL: x_to_s32:
; X86-AVX512-WIN: # %bb.0:
; X86-AVX512-WIN-NEXT: pushl %ebp
; X86-AVX512-WIN-NEXT: movl %esp, %ebp
; X86-AVX512-WIN-NEXT: andl $-16, %esp
; X86-AVX512-WIN-NEXT: subl $16, %esp
; X86-AVX512-WIN-NEXT: fldt 8(%ebp)
; X86-AVX512-WIN-NEXT: fisttpl {{[0-9]+}}(%esp)
; X86-AVX512-WIN-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-AVX512-WIN-NEXT: movl %ebp, %esp
; X86-AVX512-WIN-NEXT: popl %ebp
; X86-AVX512-WIN-NEXT: retl
;
; X86-AVX512-LIN-LABEL: x_to_s32:
; X86-AVX512-LIN: # %bb.0:
; X86-AVX512-LIN-NEXT: pushl %eax
; X86-AVX512-LIN-NEXT: fldt {{[0-9]+}}(%esp)
; X86-AVX512-LIN-NEXT: fisttpl (%esp)
; X86-AVX512-LIN-NEXT: movl (%esp), %eax
; X86-AVX512-LIN-NEXT: popl %ecx
; X86-AVX512-LIN-NEXT: retl
;
; X64-AVX512-WIN-LABEL: x_to_s32:
; X64-AVX512-WIN: # %bb.0:
Expand All @@ -575,14 +588,27 @@ define i32 @x_to_s32(x86_fp80 %a) nounwind {
; X64-AVX512-LIN-NEXT: movl -{{[0-9]+}}(%rsp), %eax
; X64-AVX512-LIN-NEXT: retq
;
; X86-SSE3-LABEL: x_to_s32:
; X86-SSE3: # %bb.0:
; X86-SSE3-NEXT: pushl %eax
; X86-SSE3-NEXT: fldt {{[0-9]+}}(%esp)
; X86-SSE3-NEXT: fisttpl (%esp)
; X86-SSE3-NEXT: movl (%esp), %eax
; X86-SSE3-NEXT: popl %ecx
; X86-SSE3-NEXT: retl
; X86-SSE3-WIN-LABEL: x_to_s32:
; X86-SSE3-WIN: # %bb.0:
; X86-SSE3-WIN-NEXT: pushl %ebp
; X86-SSE3-WIN-NEXT: movl %esp, %ebp
; X86-SSE3-WIN-NEXT: andl $-16, %esp
; X86-SSE3-WIN-NEXT: subl $16, %esp
; X86-SSE3-WIN-NEXT: fldt 8(%ebp)
; X86-SSE3-WIN-NEXT: fisttpl {{[0-9]+}}(%esp)
; X86-SSE3-WIN-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-SSE3-WIN-NEXT: movl %ebp, %esp
; X86-SSE3-WIN-NEXT: popl %ebp
; X86-SSE3-WIN-NEXT: retl
;
; X86-SSE3-LIN-LABEL: x_to_s32:
; X86-SSE3-LIN: # %bb.0:
; X86-SSE3-LIN-NEXT: pushl %eax
; X86-SSE3-LIN-NEXT: fldt {{[0-9]+}}(%esp)
; X86-SSE3-LIN-NEXT: fisttpl (%esp)
; X86-SSE3-LIN-NEXT: movl (%esp), %eax
; X86-SSE3-LIN-NEXT: popl %ecx
; X86-SSE3-LIN-NEXT: retl
;
; X64-SSE3-WIN-LABEL: x_to_s32:
; X64-SSE3-WIN: # %bb.0:
Expand All @@ -600,20 +626,39 @@ define i32 @x_to_s32(x86_fp80 %a) nounwind {
; X64-SSE3-LIN-NEXT: movl -{{[0-9]+}}(%rsp), %eax
; X64-SSE3-LIN-NEXT: retq
;
; X86-SSE2-LABEL: x_to_s32:
; X86-SSE2: # %bb.0:
; X86-SSE2-NEXT: subl $8, %esp
; X86-SSE2-NEXT: fldt {{[0-9]+}}(%esp)
; X86-SSE2-NEXT: fnstcw (%esp)
; X86-SSE2-NEXT: movzwl (%esp), %eax
; X86-SSE2-NEXT: orl $3072, %eax # imm = 0xC00
; X86-SSE2-NEXT: movw %ax, {{[0-9]+}}(%esp)
; X86-SSE2-NEXT: fldcw {{[0-9]+}}(%esp)
; X86-SSE2-NEXT: fistpl {{[0-9]+}}(%esp)
; X86-SSE2-NEXT: fldcw (%esp)
; X86-SSE2-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-SSE2-NEXT: addl $8, %esp
; X86-SSE2-NEXT: retl
; X86-SSE2-WIN-LABEL: x_to_s32:
; X86-SSE2-WIN: # %bb.0:
; X86-SSE2-WIN-NEXT: pushl %ebp
; X86-SSE2-WIN-NEXT: movl %esp, %ebp
; X86-SSE2-WIN-NEXT: andl $-16, %esp
; X86-SSE2-WIN-NEXT: subl $16, %esp
; X86-SSE2-WIN-NEXT: fldt 8(%ebp)
; X86-SSE2-WIN-NEXT: fnstcw (%esp)
; X86-SSE2-WIN-NEXT: movzwl (%esp), %eax
; X86-SSE2-WIN-NEXT: orl $3072, %eax # imm = 0xC00
; X86-SSE2-WIN-NEXT: movw %ax, {{[0-9]+}}(%esp)
; X86-SSE2-WIN-NEXT: fldcw {{[0-9]+}}(%esp)
; X86-SSE2-WIN-NEXT: fistpl {{[0-9]+}}(%esp)
; X86-SSE2-WIN-NEXT: fldcw (%esp)
; X86-SSE2-WIN-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-SSE2-WIN-NEXT: movl %ebp, %esp
; X86-SSE2-WIN-NEXT: popl %ebp
; X86-SSE2-WIN-NEXT: retl
;
; X86-SSE2-LIN-LABEL: x_to_s32:
; X86-SSE2-LIN: # %bb.0:
; X86-SSE2-LIN-NEXT: subl $8, %esp
; X86-SSE2-LIN-NEXT: fldt {{[0-9]+}}(%esp)
; X86-SSE2-LIN-NEXT: fnstcw (%esp)
; X86-SSE2-LIN-NEXT: movzwl (%esp), %eax
; X86-SSE2-LIN-NEXT: orl $3072, %eax # imm = 0xC00
; X86-SSE2-LIN-NEXT: movw %ax, {{[0-9]+}}(%esp)
; X86-SSE2-LIN-NEXT: fldcw {{[0-9]+}}(%esp)
; X86-SSE2-LIN-NEXT: fistpl {{[0-9]+}}(%esp)
; X86-SSE2-LIN-NEXT: fldcw (%esp)
; X86-SSE2-LIN-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-SSE2-LIN-NEXT: addl $8, %esp
; X86-SSE2-LIN-NEXT: retl
;
; X64-SSE2-WIN-LABEL: x_to_s32:
; X64-SSE2-WIN: # %bb.0:
Expand Down Expand Up @@ -643,35 +688,73 @@ define i32 @x_to_s32(x86_fp80 %a) nounwind {
; X64-SSE2-LIN-NEXT: movl -{{[0-9]+}}(%rsp), %eax
; X64-SSE2-LIN-NEXT: retq
;
; X86-SSE1-LABEL: x_to_s32:
; X86-SSE1: # %bb.0:
; X86-SSE1-NEXT: subl $8, %esp
; X86-SSE1-NEXT: fldt {{[0-9]+}}(%esp)
; X86-SSE1-NEXT: fnstcw (%esp)
; X86-SSE1-NEXT: movzwl (%esp), %eax
; X86-SSE1-NEXT: orl $3072, %eax # imm = 0xC00
; X86-SSE1-NEXT: movw %ax, {{[0-9]+}}(%esp)
; X86-SSE1-NEXT: fldcw {{[0-9]+}}(%esp)
; X86-SSE1-NEXT: fistpl {{[0-9]+}}(%esp)
; X86-SSE1-NEXT: fldcw (%esp)
; X86-SSE1-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-SSE1-NEXT: addl $8, %esp
; X86-SSE1-NEXT: retl
; X86-SSE1-WIN-LABEL: x_to_s32:
; X86-SSE1-WIN: # %bb.0:
; X86-SSE1-WIN-NEXT: pushl %ebp
; X86-SSE1-WIN-NEXT: movl %esp, %ebp
; X86-SSE1-WIN-NEXT: andl $-16, %esp
; X86-SSE1-WIN-NEXT: subl $16, %esp
; X86-SSE1-WIN-NEXT: fldt 8(%ebp)
; X86-SSE1-WIN-NEXT: fnstcw (%esp)
; X86-SSE1-WIN-NEXT: movzwl (%esp), %eax
; X86-SSE1-WIN-NEXT: orl $3072, %eax # imm = 0xC00
; X86-SSE1-WIN-NEXT: movw %ax, {{[0-9]+}}(%esp)
; X86-SSE1-WIN-NEXT: fldcw {{[0-9]+}}(%esp)
; X86-SSE1-WIN-NEXT: fistpl {{[0-9]+}}(%esp)
; X86-SSE1-WIN-NEXT: fldcw (%esp)
; X86-SSE1-WIN-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-SSE1-WIN-NEXT: movl %ebp, %esp
; X86-SSE1-WIN-NEXT: popl %ebp
; X86-SSE1-WIN-NEXT: retl
;
; X87-LABEL: x_to_s32:
; X87: # %bb.0:
; X87-NEXT: subl $8, %esp
; X87-NEXT: fldt {{[0-9]+}}(%esp)
; X87-NEXT: fnstcw (%esp)
; X87-NEXT: movzwl (%esp), %eax
; X87-NEXT: orl $3072, %eax # imm = 0xC00
; X87-NEXT: movw %ax, {{[0-9]+}}(%esp)
; X87-NEXT: fldcw {{[0-9]+}}(%esp)
; X87-NEXT: fistpl {{[0-9]+}}(%esp)
; X87-NEXT: fldcw (%esp)
; X87-NEXT: movl {{[0-9]+}}(%esp), %eax
; X87-NEXT: addl $8, %esp
; X87-NEXT: retl
; X86-SSE1-LIN-LABEL: x_to_s32:
; X86-SSE1-LIN: # %bb.0:
; X86-SSE1-LIN-NEXT: subl $8, %esp
; X86-SSE1-LIN-NEXT: fldt {{[0-9]+}}(%esp)
; X86-SSE1-LIN-NEXT: fnstcw (%esp)
; X86-SSE1-LIN-NEXT: movzwl (%esp), %eax
; X86-SSE1-LIN-NEXT: orl $3072, %eax # imm = 0xC00
; X86-SSE1-LIN-NEXT: movw %ax, {{[0-9]+}}(%esp)
; X86-SSE1-LIN-NEXT: fldcw {{[0-9]+}}(%esp)
; X86-SSE1-LIN-NEXT: fistpl {{[0-9]+}}(%esp)
; X86-SSE1-LIN-NEXT: fldcw (%esp)
; X86-SSE1-LIN-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-SSE1-LIN-NEXT: addl $8, %esp
; X86-SSE1-LIN-NEXT: retl
;
; X87-WIN-LABEL: x_to_s32:
; X87-WIN: # %bb.0:
; X87-WIN-NEXT: pushl %ebp
; X87-WIN-NEXT: movl %esp, %ebp
; X87-WIN-NEXT: andl $-16, %esp
; X87-WIN-NEXT: subl $16, %esp
; X87-WIN-NEXT: fldt 8(%ebp)
; X87-WIN-NEXT: fnstcw (%esp)
; X87-WIN-NEXT: movzwl (%esp), %eax
; X87-WIN-NEXT: orl $3072, %eax # imm = 0xC00
; X87-WIN-NEXT: movw %ax, {{[0-9]+}}(%esp)
; X87-WIN-NEXT: fldcw {{[0-9]+}}(%esp)
; X87-WIN-NEXT: fistpl {{[0-9]+}}(%esp)
; X87-WIN-NEXT: fldcw (%esp)
; X87-WIN-NEXT: movl {{[0-9]+}}(%esp), %eax
; X87-WIN-NEXT: movl %ebp, %esp
; X87-WIN-NEXT: popl %ebp
; X87-WIN-NEXT: retl
;
; X87-LIN-LABEL: x_to_s32:
; X87-LIN: # %bb.0:
; X87-LIN-NEXT: subl $8, %esp
; X87-LIN-NEXT: fldt {{[0-9]+}}(%esp)
; X87-LIN-NEXT: fnstcw (%esp)
; X87-LIN-NEXT: movzwl (%esp), %eax
; X87-LIN-NEXT: orl $3072, %eax # imm = 0xC00
; X87-LIN-NEXT: movw %ax, {{[0-9]+}}(%esp)
; X87-LIN-NEXT: fldcw {{[0-9]+}}(%esp)
; X87-LIN-NEXT: fistpl {{[0-9]+}}(%esp)
; X87-LIN-NEXT: fldcw (%esp)
; X87-LIN-NEXT: movl {{[0-9]+}}(%esp), %eax
; X87-LIN-NEXT: addl $8, %esp
; X87-LIN-NEXT: retl
%r = fptosi x86_fp80 %a to i32
ret i32 %r
}
Expand Down

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