diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMAddressingModes.h')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMAddressingModes.h | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/llvm/lib/Target/ARM/ARMAddressingModes.h b/llvm/lib/Target/ARM/ARMAddressingModes.h index 0b3a7d41927..21b57752270 100644 --- a/llvm/lib/Target/ARM/ARMAddressingModes.h +++ b/llvm/lib/Target/ARM/ARMAddressingModes.h @@ -131,20 +131,6 @@ namespace ARM_AM { return (Imm >> 8) * 2; } - /// getSOImmValOneRotate - Try to handle Imm with an immediate shifter - /// operand, computing the rotate amount to use. If this immediate value - /// cannot be handled with a single shifter-op, return 0. - static inline unsigned getSOImmValOneRotate(unsigned Imm) { - // A5.2.4 Constants with multiple encodings - // The lowest unsigned value of rotation wins! - for (unsigned R = 1; R <= 15; ++R) - if ((Imm & rotr32(~255U, 2*R)) == 0) - return 2*R; - - // Failed to find a suitable rotate amount. - return 0; - } - /// getSOImmValRotate - Try to handle Imm with an immediate shifter operand, /// computing the rotate amount to use. If this immediate value cannot be /// handled with a single shifter-op, determine a good rotate amount that will @@ -197,7 +183,7 @@ namespace ARM_AM { // of zero. if ((Arg & ~255U) == 0) return Arg; - unsigned RotAmt = getSOImmValOneRotate(Arg); + unsigned RotAmt = getSOImmValRotate(Arg); // If this cannot be handled with a single shifter_op, bail out. if (rotr32(~255U, RotAmt) & Arg) |
