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| author | Johnny Chen <johnny.chen@apple.com> | 2010-04-13 20:35:16 +0000 |
|---|---|---|
| committer | Johnny Chen <johnny.chen@apple.com> | 2010-04-13 20:35:16 +0000 |
| commit | 44d7d183fafa02e1707224200edf8f8a952a86dd (patch) | |
| tree | ca79e4faa09c669037f92f80a1c88be0388d7bde /llvm/lib/Target/ARM/ARMAddressingModes.h | |
| parent | 12d150ea430248174e624815865565703be89e3c (diff) | |
| download | bcm5719-llvm-44d7d183fafa02e1707224200edf8f8a952a86dd.tar.gz bcm5719-llvm-44d7d183fafa02e1707224200edf8f8a952a86dd.zip | |
Changed getSOImmValRotate()'s hunt retry logic to ignore the low order 6 bits,
instead of 7, because we are only looking for even rotate amount.
llvm-svn: 101172
Diffstat (limited to 'llvm/lib/Target/ARM/ARMAddressingModes.h')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMAddressingModes.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Target/ARM/ARMAddressingModes.h b/llvm/lib/Target/ARM/ARMAddressingModes.h index f414744fa2f..e68354a42f8 100644 --- a/llvm/lib/Target/ARM/ARMAddressingModes.h +++ b/llvm/lib/Target/ARM/ARMAddressingModes.h @@ -151,10 +151,10 @@ namespace ARM_AM { if ((rotr32(Imm, RotAmt) & ~255U) == 0) return (32-RotAmt)&31; // HW rotates right, not left. - // For values like 0xF000000F, we should ignore the low 7 bits, then + // For values like 0xF000000F, we should ignore the low 6 bits, then // retry the hunt. - if (Imm & 127U) { - unsigned TZ2 = CountTrailingZeros_32(Imm & ~127U); + if (Imm & 63U) { + unsigned TZ2 = CountTrailingZeros_32(Imm & ~63U); unsigned RotAmt2 = TZ2 & ~1; if ((rotr32(Imm, RotAmt2) & ~255U) == 0) return (32-RotAmt2)&31; // HW rotates right, not left. |
