Changes in directory llvm/lib/Target/PowerPC:
PPCInstr64Bit.td updated: 1.6 -> 1.7
---
Log message:
Instead of li/xoris use li/oris. Note that this doesn't work if bit 15 is
set, so disable the pattern in that case.
---
Diffs of the changes: (+5 -5)
PPCInstr64Bit.td | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
Index: llvm/lib/Target/PowerPC/PPCInstr64Bit.td
diff -u llvm/lib/Target/PowerPC/PPCInstr64Bit.td:1.6
llvm/lib/Target/PowerPC/PPCInstr64Bit.td:1.7
--- llvm/lib/Target/PowerPC/PPCInstr64Bit.td:1.6 Tue Jun 20 17:34:10 2006
+++ llvm/lib/Target/PowerPC/PPCInstr64Bit.td Tue Jun 20 17:38:59 2006
@@ -227,12 +227,12 @@
def : Pat<(i64 sext_0x0000_0000_FFFF_FFFF_i16:$imm),
(ORI8 (LIS8 (HI16 imm:$imm)), (LO16 imm:$imm))>;
-// zext(0x0000_0000_FFFF_FFFF, i16) -> xoris (li lo16(imm)), imm>>16
-def zext_0x0000_0000_FFFF_FFFF_i16 : PatLeaf<(imm), [{
- return (N->getValue() & 0xFFFFFFFF00000000ULL) == 0;
+// zext(0x0000_0000_FFFF_7FFF, i16) -> oris (li lo16(imm)), imm>>16
+def zext_0x0000_0000_FFFF_7FFF_i16 : PatLeaf<(imm), [{
+ return (N->getValue() & 0xFFFFFFFF00008000ULL) == 0;
}]>;
-def : Pat<(i64 zext_0x0000_0000_FFFF_FFFF_i16:$imm),
- (XORIS8 (LI8 (LO16 imm:$imm)), (HI16 imm:$imm))>;
+def : Pat<(i64 zext_0x0000_0000_FFFF_7FFF_i16:$imm),
+ (ORIS8 (LI8 (LO16 imm:$imm)), (HI16 imm:$imm))>;
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