diff options
Diffstat (limited to 'lib/Target/X86/X86Instr64bit.td')
| -rw-r--r-- | lib/Target/X86/X86Instr64bit.td | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td index 730f3930bf..59d7afc7de 100644 --- a/lib/Target/X86/X86Instr64bit.td +++ b/lib/Target/X86/X86Instr64bit.td @@ -1202,43 +1202,43 @@ def : Pat<(parallel (X86cmp GR64:$src1, 0), (implicit EFLAGS)), // Zero-extension -def : Pat<(i64 (zext GR32:$src)), (INSERT_SUBREG tii_impl_val_zero, - GR32:$src, x86_subreg_32bit)>; +def : Pat<(i64 (zext GR32:$src)), + (SUBREG_TO_REG (i64 0), GR32:$src, x86_subreg_32bit)>; // zextload bool -> zextload byte def : Pat<(zextloadi64i1 addr:$src), (MOVZX64rm8 addr:$src)>; -def : Pat<(zextloadi64i32 addr:$src), (INSERT_SUBREG tii_impl_val_zero, - (MOV32rm addr:$src), x86_subreg_32bit)>; +def : Pat<(zextloadi64i32 addr:$src), + (SUBREG_TO_REG (i64 0), (MOV32rm addr:$src), x86_subreg_32bit)>; // extload def : Pat<(extloadi64i1 addr:$src), (MOVZX64rm8 addr:$src)>; def : Pat<(extloadi64i8 addr:$src), (MOVZX64rm8 addr:$src)>; def : Pat<(extloadi64i16 addr:$src), (MOVZX64rm16 addr:$src)>; -def : Pat<(extloadi64i32 addr:$src), (INSERT_SUBREG tii_impl_val_undef, - (MOV32rm addr:$src), x86_subreg_32bit)>; +def : Pat<(extloadi64i32 addr:$src), + (INSERT_SUBREG (i64 (IMPLICIT_DEF)), (MOV32rm addr:$src), + x86_subreg_32bit)>; // anyext -> zext def : Pat<(i64 (anyext GR8 :$src)), (MOVZX64rr8 GR8 :$src)>; def : Pat<(i64 (anyext GR16:$src)), (MOVZX64rr16 GR16:$src)>; -def : Pat<(i64 (anyext GR32:$src)), (INSERT_SUBREG tii_impl_val_undef, - GR32:$src, x86_subreg_32bit)>; +def : Pat<(i64 (anyext GR32:$src)), + (INSERT_SUBREG (i64 (IMPLICIT_DEF)), GR32:$src, x86_subreg_32bit)>; def : Pat<(i64 (anyext (loadi8 addr:$src))), (MOVZX64rm8 addr:$src)>; def : Pat<(i64 (anyext (loadi16 addr:$src))), (MOVZX64rm16 addr:$src)>; -def : Pat<(i64 (anyext (loadi32 addr:$src))), (INSERT_SUBREG tii_impl_val_undef, - (MOV32rm addr:$src), - x86_subreg_32bit)>; +def : Pat<(i64 (anyext (loadi32 addr:$src))), + (INSERT_SUBREG (i64 (IMPLICIT_DEF)), (MOV32rm addr:$src), + x86_subreg_32bit)>; //===----------------------------------------------------------------------===// // Some peepholes //===----------------------------------------------------------------------===// - // r & (2^32-1) ==> mov32 + implicit zext def : Pat<(and GR64:$src, i64immFFFFFFFF), - (INSERT_SUBREG tii_impl_val_zero, - (MOV32rr (EXTRACT_SUBREG GR64:$src, x86_subreg_32bit)), + (SUBREG_TO_REG (i64 0), + (i32 (EXTRACT_SUBREG GR64:$src, x86_subreg_32bit)), x86_subreg_32bit)>; // (shl x, 1) ==> (add x, x) |