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| author | Dan Gohman <gohman@apple.com> | 2009-01-13 20:33:23 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-01-13 20:33:23 +0000 |
| commit | 4afe15b131c7cc5b97cd7934d71ec0119d3e2c5b (patch) | |
| tree | 85591fa8572c0e9ab5fac2b6b4b56d4b3497c564 | |
| parent | 0c89b7e61e0e88a1bc781f1a83d31f661a3ad88e (diff) | |
| download | external_llvm-4afe15b131c7cc5b97cd7934d71ec0119d3e2c5b.zip external_llvm-4afe15b131c7cc5b97cd7934d71ec0119d3e2c5b.tar.gz external_llvm-4afe15b131c7cc5b97cd7934d71ec0119d3e2c5b.tar.bz2 | |
Add bt instructions that take immediate operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62180 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86Instr64bit.td | 13 | ||||
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 21 |
2 files changed, 32 insertions, 2 deletions
diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td index bdadba3..bcf1ebd 100644 --- a/lib/Target/X86/X86Instr64bit.td +++ b/lib/Target/X86/X86Instr64bit.td @@ -918,7 +918,6 @@ def CMP64mi32 : RIi32<0x81, MRM7m, (outs), } // Defs = [EFLAGS] // Bit tests. -// TODO: BT with immediate operands. // TODO: BTC, BTR, and BTS let Defs = [EFLAGS] in { def BT64rr : RI<0xA3, MRMDestReg, (outs), (ins GR64:$src1, GR64:$src2), @@ -929,6 +928,18 @@ def BT64mr : RI<0xA3, MRMDestMem, (outs), (ins i64mem:$src1, GR64:$src2), "bt{q}\t{$src2, $src1|$src1, $src2}", [(X86bt (loadi64 addr:$src1), GR64:$src2), (implicit EFLAGS)]>, TB; + +def BT64ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR64:$src1, i64i8imm:$src2), + "bt{q}\t{$src2, $src1|$src1, $src2}", + [(X86bt GR64:$src1, i64immSExt8:$src2), + (implicit EFLAGS)]>, TB; +// Note that these instructions don't need FastBTMem because that +// only applies when the other operand is in a register. When it's +// an immediate, bt is still fast. +def BT64mi8 : Ii8<0xBA, MRM4m, (outs), (ins i64mem:$src1, i64i8imm:$src2), + "bt{q}\t{$src2, $src1|$src1, $src2}", + [(X86bt (loadi64 addr:$src1), i64immSExt8:$src2), + (implicit EFLAGS)]>, TB; } // Defs = [EFLAGS] // Conditional moves diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 886ab68..0eaab8d 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -2672,7 +2672,6 @@ def CMP32ri8 : Ii8<0x83, MRM7r, } // Defs = [EFLAGS] // Bit tests. -// TODO: BT with immediate operands // TODO: BTC, BTR, and BTS let Defs = [EFLAGS] in { def BT16rr : I<0xA3, MRMDestReg, (outs), (ins GR16:$src1, GR16:$src2), @@ -2691,6 +2690,26 @@ def BT32mr : I<0xA3, MRMDestMem, (outs), (ins i32mem:$src1, GR32:$src2), "bt{l}\t{$src2, $src1|$src1, $src2}", [(X86bt (loadi32 addr:$src1), GR32:$src2), (implicit EFLAGS)]>, TB, Requires<[FastBTMem]>; + +def BT16ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR16:$src1, i16i8imm:$src2), + "bt{w}\t{$src2, $src1|$src1, $src2}", + [(X86bt GR16:$src1, i16immSExt8:$src2), + (implicit EFLAGS)]>, OpSize, TB; +def BT32ri8 : Ii8<0xBA, MRM4r, (outs), (ins GR32:$src1, i32i8imm:$src2), + "bt{l}\t{$src2, $src1|$src1, $src2}", + [(X86bt GR32:$src1, i32immSExt8:$src2), + (implicit EFLAGS)]>, TB; +// Note that these instructions don't need FastBTMem because that +// only applies when the other operand is in a register. When it's +// an immediate, bt is still fast. +def BT16mi8 : Ii8<0xBA, MRM4m, (outs), (ins i16mem:$src1, i16i8imm:$src2), + "bt{w}\t{$src2, $src1|$src1, $src2}", + [(X86bt (loadi16 addr:$src1), i16immSExt8:$src2), + (implicit EFLAGS)]>, OpSize, TB; +def BT32mi8 : Ii8<0xBA, MRM4m, (outs), (ins i32mem:$src1, i32i8imm:$src2), + "bt{l}\t{$src2, $src1|$src1, $src2}", + [(X86bt (loadi32 addr:$src1), i32immSExt8:$src2), + (implicit EFLAGS)]>, TB; } // Defs = [EFLAGS] // Sign/Zero extenders |