From 088fa1162d1633e939dc29c9e0725071a68ce60d Mon Sep 17 00:00:00 2001 From: Brian Gaeke Date: Thu, 19 Jun 2003 19:41:13 +0000 Subject: [PATCH] RECAPITALIZE all the names of pseudo-instructions, and add a comment explaining the convention. :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6791 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86InstrInfo.def | 31 +++++++++++++++++-------------- 1 file changed, 17 insertions(+), 14 deletions(-) diff --git a/lib/Target/X86/X86InstrInfo.def b/lib/Target/X86/X86InstrInfo.def index 626c28ef14e..fbb90c737ea 100644 --- a/lib/Target/X86/X86InstrInfo.def +++ b/lib/Target/X86/X86InstrInfo.def @@ -48,7 +48,10 @@ IMPREGSLIST(O_ST0, X86::ST0, 0) // Arguments to be passed into the I macro // #1: Enum name - This ends up being the opcode symbol in the X86 namespace -// #2: Opcode name, as used by the gnu assembler +// #2: Opcode name, as used by the Intel assembler. This should be in +// ALL CAPS for pseudo-instructions (which the assembler should never +// see), or all lowercase for real instructions (which the assembler +// should see). // #3: The base opcode for the instruction // #4: Instruction Flags - This should be a field or'd together that contains // constants from the TargetInstrInfo.h file. @@ -60,7 +63,7 @@ IMPREGSLIST(O_ST0, X86::ST0, 0) // // The first instruction must always be the PHI instruction: -I(PHI , "phi", 0, 0, X86II::Pseudo , NoIR, NoIR) +I(PHI , "PHI", 0, 0, X86II::Pseudo , NoIR, NoIR) // The second instruction must always be the noop instruction: I(NOOP , "nop", 0x90, 0, X86II::RawFrm | X86II::Void, NoIR, NoIR) // nop @@ -72,18 +75,18 @@ I(NOOP , "nop", 0x90, 0, X86II::RawFrm | X86II::Void, NoIR, // instruction turns into a noop, but if the frame pointer is retained, this // turns into a 'sub ESP, '. // -I(ADJCALLSTACKDOWN, "adjcallstackdown", 0, 0, X86II::Pseudo, NoIR, NoIR) +I(ADJCALLSTACKDOWN, "ADJCALLSTACKDOWN", 0, 0, X86II::Pseudo, NoIR, NoIR) // This instruction is used to mark readjustment of the stack after a function // call. If the frame pointer is retained, this becomes a 'add ESP, ' // instruction after the call. -I(ADJCALLSTACKUP , "adjcallstackup" , 0, 0, X86II::Pseudo, NoIR, NoIR) +I(ADJCALLSTACKUP , "ADJCALLSTACKUP" , 0, 0, X86II::Pseudo, NoIR, NoIR) // This pseudo-instruction is used to record implicit uses of physical registers // at the end of the function. This ensures that bad things aren't done to // registes that are live on exit from the function (for example, EAX). // -I(IMPLICIT_USE, "implicit_use", 0, 0, X86II::Pseudo, NoIR, NoIR) +I(IMPLICIT_USE, "IMPLICIT_USE", 0, 0, X86II::Pseudo, NoIR, NoIR) // Flow control instructions @@ -288,15 +291,15 @@ I(MOVZXr32r16 , "movzx", 0xB7, 0, X86II::MRMSrcReg | X86II::TB, NoIR // FIXME: These need to indicate mod/ref sets for FP regs... & FP 'TOP' // Floating point pseudo instructions... -I(FpMOV , "fmov" , 0, M_PSEUDO_FLAG, X86II::ArgF80 | X86II::Pseudo | X86II::SpecialFP, NoIR, NoIR) // f1 = fmov f2 -I(FpADD , "fadd" , 0, M_PSEUDO_FLAG, X86II::ArgF80 | X86II::Pseudo | X86II::TwoArgFP , NoIR, NoIR) // f1 = fadd f2, f3 -I(FpSUB , "fsub" , 0, M_PSEUDO_FLAG, X86II::ArgF80 | X86II::Pseudo | X86II::TwoArgFP , NoIR, NoIR) // f1 = fsub f2, f3 -I(FpMUL , "fmul" , 0, M_PSEUDO_FLAG, X86II::ArgF80 | X86II::Pseudo | X86II::TwoArgFP , NoIR, NoIR) // f1 = fmul f2, f3 -I(FpDIV , "fdiv" , 0, M_PSEUDO_FLAG, X86II::ArgF80 | X86II::Pseudo | X86II::TwoArgFP , NoIR, NoIR) // f1 = fdiv f2, f3 -I(FpUCOM , "fucom", 0, M_PSEUDO_FLAG, X86II::Void | X86II::ArgF80 | X86II::Pseudo | X86II::TwoArgFP , NoIR, NoIR) // FPSW = fucom f1, f2 - -I(FpGETRESULT , "fgetresult",0, M_PSEUDO_FLAG, X86II::Pseudo | X86II::SpecialFP, NoIR, NoIR) // FPR = ST(0) -I(FpSETRESULT , "fsetresult",0, M_PSEUDO_FLAG | M_TERMINATOR_FLAG, X86II::Void | X86II::Pseudo | X86II::SpecialFP, NoIR, NoIR) // ST(0) = FPR +I(FpMOV , "FMOV" , 0, M_PSEUDO_FLAG, X86II::ArgF80 | X86II::Pseudo | X86II::SpecialFP, NoIR, NoIR) // f1 = fmov f2 +I(FpADD , "FADD" , 0, M_PSEUDO_FLAG, X86II::ArgF80 | X86II::Pseudo | X86II::TwoArgFP , NoIR, NoIR) // f1 = fadd f2, f3 +I(FpSUB , "FSUB" , 0, M_PSEUDO_FLAG, X86II::ArgF80 | X86II::Pseudo | X86II::TwoArgFP , NoIR, NoIR) // f1 = fsub f2, f3 +I(FpMUL , "FMUL" , 0, M_PSEUDO_FLAG, X86II::ArgF80 | X86II::Pseudo | X86II::TwoArgFP , NoIR, NoIR) // f1 = fmul f2, f3 +I(FpDIV , "FDIV" , 0, M_PSEUDO_FLAG, X86II::ArgF80 | X86II::Pseudo | X86II::TwoArgFP , NoIR, NoIR) // f1 = fdiv f2, f3 +I(FpUCOM , "FUCOM", 0, M_PSEUDO_FLAG, X86II::Void | X86II::ArgF80 | X86II::Pseudo | X86II::TwoArgFP , NoIR, NoIR) // FPSW = fucom f1, f2 + +I(FpGETRESULT , "FGETRESULT",0, M_PSEUDO_FLAG, X86II::Pseudo | X86II::SpecialFP, NoIR, NoIR) // FPR = ST(0) +I(FpSETRESULT , "FSETRESULT",0, M_PSEUDO_FLAG | M_TERMINATOR_FLAG, X86II::Void | X86II::Pseudo | X86II::SpecialFP, NoIR, NoIR) // ST(0) = FPR // Floating point loads & stores... PREFIX ARGTYPE ENCODING FP INST TYPE REF MOD I(FLDr32 , "fld", 0xD9, 0, X86II::ArgF32 | X86II::MRMS0m | X86II::ZeroArgFP, NoIR, NoIR) // load float -- 2.34.1