diff options
Diffstat (limited to 'lib/Target/X86/X86InstrCompiler.td')
| -rw-r--r-- | lib/Target/X86/X86InstrCompiler.td | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/lib/Target/X86/X86InstrCompiler.td b/lib/Target/X86/X86InstrCompiler.td index 9b3dce52f7..77a876df02 100644 --- a/lib/Target/X86/X86InstrCompiler.td +++ b/lib/Target/X86/X86InstrCompiler.td @@ -110,7 +110,7 @@ let Defs = [EAX, ESP, EFLAGS], Uses = [ESP] in // When using segmented stacks these are lowered into instructions which first // check if the current stacklet has enough free memory. If it does, memory is -// allocated by bumping the stack pointer. Otherwise memory is allocated from +// allocated by bumping the stack pointer. Otherwise memory is allocated from // the heap. let Defs = [EAX, ESP, EFLAGS], Uses = [ESP] in @@ -197,6 +197,26 @@ let isBranch = 1, isTerminator = 1, isCodeGenOnly = 1 in { } //===----------------------------------------------------------------------===// +// Pseudo instructions used by unwind info. +// +let isPseudo = 1 in { + def SEH_PushReg : I<0, Pseudo, (outs), (ins i32imm:$reg), + "#SEH_PushReg $reg", []>; + def SEH_SaveReg : I<0, Pseudo, (outs), (ins i32imm:$reg, i32imm:$dst), + "#SEH_SaveReg $reg, $dst", []>; + def SEH_SaveXMM : I<0, Pseudo, (outs), (ins i32imm:$reg, i32imm:$dst), + "#SEH_SaveXMM $reg, $dst", []>; + def SEH_StackAlloc : I<0, Pseudo, (outs), (ins i32imm:$size), + "#SEH_StackAlloc $size", []>; + def SEH_SetFrame : I<0, Pseudo, (outs), (ins i32imm:$reg, i32imm:$offset), + "#SEH_SetFrame $reg, $offset", []>; + def SEH_PushFrame : I<0, Pseudo, (outs), (ins i1imm:$mode), + "#SEH_PushFrame $mode", []>; + def SEH_EndPrologue : I<0, Pseudo, (outs), (ins), + "#SEH_EndPrologue", []>; +} + +//===----------------------------------------------------------------------===// // Pseudo instructions used by segmented stacks. // @@ -371,7 +391,7 @@ let Defs = [RCX,RDI], isCodeGenOnly = 1 in { def REP_STOSD_64 : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}", [(X86rep_stos i32)], IIC_REP_STOS>, REP, OpSize32, Requires<[In64BitMode]>; - + let Uses = [RAX,RCX,RDI] in def REP_STOSQ_64 : RI<0xAB, RawFrm, (outs), (ins), "{rep;stosq|rep stosq}", [(X86rep_stos i64)], IIC_REP_STOS>, REP, |