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- Use exact-width integer types, e.g. int32_t, to avoid confusion.

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- Fix a couple of minor bugs in i16immSExt8 and i16immZExt8.
- Added loadiPTR fragment used for indirect jumps and calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28392 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-05-19 18:40:54 +00:00
parent 6fe8ff48bd
commit 09e3c80984
1 changed files with 9 additions and 8 deletions
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17
lib/Target/X86/X86InstrInfo.td
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@ -268,22 +268,24 @@ def X86_COND_S : PatLeaf<(i8 15)>;
def i16immSExt8 : PatLeaf<(i16 imm), [{
// i16immSExt8 predicate - True if the 16-bit immediate fits in a 8-bit
// sign extended field.
return (int)N->getValue() == (signed char)N->getValue();
return (int16_t)N->getValue() == (int8_t)N->getValue();
}]>;
def i32immSExt8 : PatLeaf<(i32 imm), [{
// i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
// sign extended field.
return (int)N->getValue() == (signed char)N->getValue();
return (int32_t)N->getValue() == (int8_t)N->getValue();
}]>;
def i16immZExt8 : PatLeaf<(i16 imm), [{
// i16immZExt8 predicate - True if the 16-bit immediate fits in a 8-bit zero
// extended field.
return (unsigned)N->getValue() == (unsigned char)N->getValue();
return (uint16_t)N->getValue() == (uint8_t)N->getValue();
}]>;
// Helper fragments for loads.
def loadiPTR : PatFrag<(ops node:$ptr), (iPTR (load node:$ptr))>;
def loadi8 : PatFrag<(ops node:$ptr), (i8 (load node:$ptr))>;
def loadi16 : PatFrag<(ops node:$ptr), (i16 (load node:$ptr))>;
def loadi32 : PatFrag<(ops node:$ptr), (i32 (load node:$ptr))>;
@ -390,7 +392,7 @@ let isBranch = 1, isTerminator = 1, noResults = 1, isBarrier = 1 in {
def JMP32r : I<0xFF, MRM4r, (ops GR32:$dst), "jmp{l} {*}$dst",
[(brind GR32:$dst)]>;
def JMP32m : I<0xFF, MRM4m, (ops i32mem:$dst), "jmp{l} {*}$dst",
[(brind (loadi32 addr:$dst))]>;
[(brind (loadiPTR addr:$dst))]>;
}
// Conditional branches
@ -441,7 +443,7 @@ let isCall = 1, noResults = 1 in
def CALL32r : I<0xFF, MRM2r, (ops GR32:$dst), "call {*}$dst",
[(X86call GR32:$dst)]>;
def CALL32m : I<0xFF, MRM2m, (ops i32mem:$dst), "call {*}$dst",
[(X86call (loadi32 addr:$dst))]>;
[(X86call (loadiPTR addr:$dst))]>;
}
// Tail call stuff.
@ -1743,8 +1745,6 @@ def ADD16ri : Ii16<0x81, MRM0r, (ops GR16:$dst, GR16:$src1, i16imm:$src2),
def ADD32ri : Ii32<0x81, MRM0r, (ops GR32:$dst, GR32:$src1, i32imm:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, imm:$src2))]>;
}
def ADD16ri8 : Ii8<0x83, MRM0r, (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
"add{w} {$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (add GR16:$src1, i16immSExt8:$src2))]>,
@ -1752,6 +1752,7 @@ def ADD16ri8 : Ii8<0x83, MRM0r, (ops GR16:$dst, GR16:$src1, i16i8imm:$src2),
def ADD32ri8 : Ii8<0x83, MRM0r, (ops GR32:$dst, GR32:$src1, i32i8imm:$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(set GR32:$dst, (add GR32:$src1, i32immSExt8:$src2))]>;
}
let isTwoAddress = 0 in {
def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, GR8 :$src2),
@ -2369,7 +2370,7 @@ def : Pat<(store (i32 (X86Wrapper texternalsym:$src)), addr:$dst),
def : Pat<(X86tailcall GR32:$dst),
(CALL32r GR32:$dst)>;
def : Pat<(X86tailcall (loadi32 addr:$dst)),
def : Pat<(X86tailcall (loadiPTR addr:$dst)),
(CALL32m addr:$dst)>;
def : Pat<(X86tailcall tglobaladdr:$dst),