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Cleanup

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llvm-svn: 75934
This commit is contained in:
Anton Korobeynikov 2009-07-16 13:47:36 +00:00
parent 47c086cc6b
commit 4409d9a464
1 changed files with 21 additions and 4 deletions
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25
lib/Target/SystemZ/SystemZInstrInfo.td
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@ -108,6 +108,18 @@ def i64hi32 : PatLeaf<(i64 imm), [{
return ((N->getZExtValue() & 0xFFFFFFFF00000000ULL) == N->getZExtValue());
}], HI32>;
def i32immSExt8 : PatLeaf<(i32 imm), [{
// i32immSExt8 predicate - True if the 32-bit immediate fits in a 8-bit
// sign extended field.
return (int32_t)N->getZExtValue() == (int8_t)N->getZExtValue();
}]>;
def i32immSExt16 : PatLeaf<(i32 imm), [{
// i32immSExt16 predicate - True if the 32-bit immediate fits in a 16-bit
// sign extended field.
return (int32_t)N->getZExtValue() == (int16_t)N->getZExtValue();
}]>;
// extloads
def extloadi64i8 : PatFrag<(ops node:$ptr), (i64 (extloadi8 node:$ptr))>;
def extloadi64i16 : PatFrag<(ops node:$ptr), (i64 (extloadi16 node:$ptr))>;
@ -121,6 +133,11 @@ def zextloadi64i8 : PatFrag<(ops node:$ptr), (i64 (zextloadi8 node:$ptr))>;
def zextloadi64i16 : PatFrag<(ops node:$ptr), (i64 (zextloadi16 node:$ptr))>;
def zextloadi64i32 : PatFrag<(ops node:$ptr), (i64 (zextloadi32 node:$ptr))>;
// A couple of more descriptive operand definitions.
// 32-bits but only 8 bits are significant.
def i32i8imm : Operand<i32>;
// 32-bits but only 16 bits are significant.
def i32i16imm : Operand<i32>;
//===----------------------------------------------------------------------===//
// SystemZ Operand Definitions.
@ -224,12 +241,12 @@ def MOV64mr : Pseudo<(outs), (ins rriaddr:$dst, GR64:$src),
[(store GR64:$src, rriaddr:$dst)]>;
// FIXME: displacements here are really 12 bit, not 20!
def MOV8mi : Pseudo<(outs), (ins riaddr:$dst, i32imm:$src),
def MOV8mi : Pseudo<(outs), (ins riaddr:$dst, i32i8imm:$src),
"mvi\t{$dst, $src}",
[(truncstorei8 (i32 imm:$src), riaddr:$dst)]>;
def MOV16mi : Pseudo<(outs), (ins riaddr:$dst, i32imm:$src),
[(truncstorei8 (i32 i32immSExt8:$src), riaddr:$dst)]>;
def MOV16mi : Pseudo<(outs), (ins riaddr:$dst, i32i16imm:$src),
"mvhhi\t{$dst, $src}",
[(truncstorei16 (i32 imm:$src), riaddr:$dst)]>;
[(truncstorei16 (i32 i32immSExt16:$src), riaddr:$dst)]>;
def MOV32mi16 : Pseudo<(outs), (ins riaddr:$dst, i32imm:$src),
"mvhi\t{$dst, $src}",
[(store (i32 immSExt16:$src), riaddr:$dst)]>;