diff options
| author | Mike Pall <mike> | 2012-07-16 23:43:03 +0200 |
|---|---|---|
| committer | Mike Pall <mike> | 2012-07-16 23:43:03 +0200 |
| commit | 08d8ec0648daaf9a80e6a734630cec3c877377b3 (patch) | |
| tree | ebc030484a7856a6af341308097b9f9606396c90 /src/lj_asm_x86.h | |
| parent | e44cb538745f5287d030193ab967e493ebd8f98d (diff) | |
| download | luajit-08d8ec0648daaf9a80e6a734630cec3c877377b3.tar.gz luajit-08d8ec0648daaf9a80e6a734630cec3c877377b3.tar.bz2 luajit-08d8ec0648daaf9a80e6a734630cec3c877377b3.zip | |
x86/x64: Fix fusion of unsigned byte comparisons with swapped ops.
Diffstat (limited to 'src/lj_asm_x86.h')
| -rw-r--r-- | src/lj_asm_x86.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/lj_asm_x86.h b/src/lj_asm_x86.h index 86dc7af2..c68768b4 100644 --- a/src/lj_asm_x86.h +++ b/src/lj_asm_x86.h | |||
| @@ -2067,8 +2067,8 @@ static void asm_comp(ASMState *as, IRIns *ir, uint32_t cc) | |||
| 2067 | lua_assert(irt_is64(ir->t) || irt_isint(ir->t) || irt_isaddr(ir->t)); | 2067 | lua_assert(irt_is64(ir->t) || irt_isint(ir->t) || irt_isaddr(ir->t)); |
| 2068 | /* Swap constants (only for ABC) and fusable loads to the right. */ | 2068 | /* Swap constants (only for ABC) and fusable loads to the right. */ |
| 2069 | if (irref_isk(lref) || (!irref_isk(rref) && opisfusableload(leftop))) { | 2069 | if (irref_isk(lref) || (!irref_isk(rref) && opisfusableload(leftop))) { |
| 2070 | if ((cc & 0xc) == 0xc) cc ^= 3; /* L <-> G, LE <-> GE */ | 2070 | if ((cc & 0xc) == 0xc) cc ^= 0x53; /* L <-> G, LE <-> GE */ |
| 2071 | else if ((cc & 0xa) == 0x2) cc ^= 5; /* A <-> B, AE <-> BE */ | 2071 | else if ((cc & 0xa) == 0x2) cc ^= 0x55; /* A <-> B, AE <-> BE */ |
| 2072 | lref = ir->op2; rref = ir->op1; | 2072 | lref = ir->op2; rref = ir->op1; |
| 2073 | } | 2073 | } |
| 2074 | if (asm_isk32(as, rref, &imm)) { | 2074 | if (asm_isk32(as, rref, &imm)) { |