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| author | Chris Lattner <sabre@nondot.org> | 2008-03-09 09:15:31 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-03-09 09:15:31 +0000 |
| commit | 86829f0ff7115a3a6dc8a95f3720d55e7f0cab12 (patch) | |
| tree | cd985e83e0d633ffca06b705bec46f3dd0e96057 /llvm/test/CodeGen/X86/inline-asm-fpstack.ll | |
| parent | 271506f29c808545b33013076d03e753e401fa2d (diff) | |
| download | bcm5719-llvm-86829f0ff7115a3a6dc8a95f3720d55e7f0cab12.tar.gz bcm5719-llvm-86829f0ff7115a3a6dc8a95f3720d55e7f0cab12.zip | |
teach X86InstrInfo::copyRegToReg how to copy into ST(0) from
an RFP register class.
Teach ScheduleDAG how to handle CopyToReg with different src/dst
reg classes.
This allows us to compile trivial inline asms that expect stuff
on the top of x87-fp stack.
llvm-svn: 48107
Diffstat (limited to 'llvm/test/CodeGen/X86/inline-asm-fpstack.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/inline-asm-fpstack.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/inline-asm-fpstack.ll b/llvm/test/CodeGen/X86/inline-asm-fpstack.ll index e4a76b4d9c2..1e308d9b78d 100644 --- a/llvm/test/CodeGen/X86/inline-asm-fpstack.ll +++ b/llvm/test/CodeGen/X86/inline-asm-fpstack.ll @@ -10,4 +10,20 @@ define double @test2() { ret double %tmp85 } +define void @test3(x86_fp80 %X) { + call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( x86_fp80 %X) + ret void +} + +define void @test4(double %X) { + call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( double %X) + ret void +} + +define void @test5(double %X) { + %Y = add double %X, 123.0 + call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( double %Y) + ret void +} + |
