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| author | Jim Grosbach <grosbach@apple.com> | 2012-05-01 21:17:34 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2012-05-01 21:17:34 +0000 |
| commit | 54319e2a8c22e7ee7044e398fbd8d4287e2b7c4f (patch) | |
| tree | 110837af81f2170f13d6ab695885c14dca52df05 | |
| parent | 94b590f8faf4dbba406f263e6a839882b0c68a94 (diff) | |
| download | llvm-54319e2a8c22e7ee7044e398fbd8d4287e2b7c4f.tar.gz llvm-54319e2a8c22e7ee7044e398fbd8d4287e2b7c4f.tar.bz2 llvm-54319e2a8c22e7ee7044e398fbd8d4287e2b7c4f.tar.xz | |
ARM: Add a few missing add->sub aliases w/ 'w' suffix.
Aliases for adding a negative immediate when using an explicit 'w'
suffix. E.g.,
adds.w r2, #-16
adds.w r2, r2, #-16
addw r2, #-16
addw r2, #-16
addw r2, r2, #-16
rdar://11330769
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155946 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 11 | ||||
| -rw-r--r-- | test/MC/ARM/basic-thumb2-instructions.s | 12 |
2 files changed, 23 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index a166b27042..2b94422748 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -3969,6 +3969,17 @@ def : t2InstAlias<"add${s}${p} $Rdn, $imm", def : t2InstAlias<"add${p} $Rdn, $imm", (t2SUBri12 GPRnopc:$Rdn, GPRnopc:$Rdn, imm0_4095_neg:$imm, pred:$p)>; +def : t2InstAlias<"add${s}${p}.w $Rd, $Rn, $imm", + (t2SUBri GPRnopc:$Rd, GPRnopc:$Rn, t2_so_imm_neg:$imm, pred:$p, + cc_out:$s)>; +def : t2InstAlias<"addw${p} $Rd, $Rn, $imm", + (t2SUBri12 GPRnopc:$Rd, GPR:$Rn, imm0_4095_neg:$imm, pred:$p)>; +def : t2InstAlias<"add${s}${p}.w $Rdn, $imm", + (t2SUBri GPRnopc:$Rdn, GPRnopc:$Rdn, t2_so_imm_neg:$imm, pred:$p, + cc_out:$s)>; +def : t2InstAlias<"addw${p} $Rdn, $imm", + (t2SUBri12 GPRnopc:$Rdn, GPRnopc:$Rdn, imm0_4095_neg:$imm, pred:$p)>; + // Aliases for SUB without the ".w" optional width specifier. def : t2InstAlias<"sub${s}${p} $Rd, $Rn, $imm", diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s index a0dc3dd3a1..2104be3694 100644 --- a/test/MC/ARM/basic-thumb2-instructions.s +++ b/test/MC/ARM/basic-thumb2-instructions.s @@ -80,6 +80,12 @@ _func: adds r2, r2, #56 adds r2, #56 + adds.w r2, #-16 + adds.w r2, r2, #-16 + addw r2, #-16 + addw r2, #-16 + addw r2, r2, #-16 + @ CHECK: itet eq @ encoding: [0x0a,0xbf] @ CHECK: addeq r1, r2, #4 @ encoding: [0x11,0x1d] @ CHECK: addwne r5, r3, #1023 @ encoding: [0x03,0xf2,0xff,0x35] @@ -96,6 +102,12 @@ _func: @ CHECK: adds r2, #56 @ encoding: [0x38,0x32] @ CHECK: adds r2, #56 @ encoding: [0x38,0x32] +@ CHECK: subs.w r2, r2, #16 @ encoding: [0xb2,0xf1,0x10,0x02] +@ CHECK: subs.w r2, r2, #16 @ encoding: [0xb2,0xf1,0x10,0x02] +@ CHECK: subw r2, r2, #16 @ encoding: [0xa2,0xf2,0x10,0x02] +@ CHECK: subw r2, r2, #16 @ encoding: [0xa2,0xf2,0x10,0x02] +@ CHECK: subw r2, r2, #16 @ encoding: [0xa2,0xf2,0x10,0x02] + @------------------------------------------------------------------------------ @ ADD (register) |