diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index fb6c7a5fd3..bd0e86f941 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -1465,6 +1465,11 @@ def : InstAlias<"jmpw $seg, $off", (FARJMP16i i16imm:$off, i16imm:$seg)>; def : InstAlias<"calll $seg, $off", (FARCALL32i i32imm:$off, i16imm:$seg)>; def : InstAlias<"jmpl $seg, $off", (FARJMP32i i32imm:$off, i16imm:$seg)>; +// Force mov without a suffix with a segment and mem to prefer the 'l' form of +// the move. All segment/mem forms are equivalent, this has the shortest +// encoding. +def : InstAlias<"mov $mem, $seg", (MOV32sm SEGMENT_REG:$seg, i32mem:$mem)>; +def : InstAlias<"mov $seg, $mem", (MOV32ms i32mem:$mem, SEGMENT_REG:$seg)>; // Match 'movq <largeimm>, <reg>' as an alias for movabsq. def : InstAlias<"movq $imm, $reg", (MOV64ri GR64:$reg, i64imm:$imm)>; |