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| author | David Woodhouse <dwmw2@infradead.org> | 2014-01-08 12:58:32 +0000 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2014-01-08 12:58:32 +0000 |
| commit | 8bceb5d217fa6d6fb94a64aa309948f7dd6d467b (patch) | |
| tree | db3d09f0a6eac8fadb35f185d6909e2ba0533975 /llvm/lib | |
| parent | 6dbda4415a998e4da5cfed18a5512d7ae1b560af (diff) | |
| download | bcm5719-llvm-8bceb5d217fa6d6fb94a64aa309948f7dd6d467b.tar.gz bcm5719-llvm-8bceb5d217fa6d6fb94a64aa309948f7dd6d467b.zip | |
[x86] Do not relax PUSHi16 to PUSHi32 (PR18414)
They do *different* things to %esp, so they are not equivalent.
Rename PUSHi8 to PUSH32i8 and add the missing PUSH16i8.
llvm-svn: 198761
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp | 6 | ||||
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.td | 5 |
2 files changed, 7 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp index 2cf6381198e..dfd8a658bd4 100644 --- a/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp +++ b/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp @@ -217,9 +217,9 @@ static unsigned getRelaxedOpcodeArith(unsigned Op) { case X86::CMP64mi8: return X86::CMP64mi32; // PUSH - case X86::PUSHi8: return X86::PUSHi32; - case X86::PUSHi16: return X86::PUSHi32; - case X86::PUSH64i8: return X86::PUSH64i32; + case X86::PUSH32i8: return X86::PUSHi32; + case X86::PUSH16i8: return X86::PUSHi16; + case X86::PUSH64i8: return X86::PUSH64i32; case X86::PUSH64i16: return X86::PUSH64i32; } } diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td index b4955646666..bfa59ea9dfd 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.td +++ b/llvm/lib/Target/X86/X86InstrInfo.td @@ -917,7 +917,10 @@ def PUSH32rmr: I<0xFF, MRM6r, (outs), (ins GR32:$reg), "push{l}\t$reg",[], def PUSH32rmm: I<0xFF, MRM6m, (outs), (ins i32mem:$src), "push{l}\t$src",[], IIC_PUSH_MEM>, OpSize16, Requires<[Not64BitMode]>; -def PUSHi8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm), +def PUSH16i8 : Ii8<0x6a, RawFrm, (outs), (ins i16i8imm:$imm), + "push{w}\t$imm", [], IIC_PUSH_IMM>, OpSize, + Requires<[Not64BitMode]>; +def PUSH32i8 : Ii8<0x6a, RawFrm, (outs), (ins i32i8imm:$imm), "push{l}\t$imm", [], IIC_PUSH_IMM>, OpSize16, Requires<[Not64BitMode]>; def PUSHi16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm), |
