diff options
| author | Jim Grosbach <grosbach@apple.com> | 2011-09-27 22:18:54 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-09-27 22:18:54 +0000 |
| commit | 25ddc2bf7ed69f500dd4d3e003004bda28c3dd95 (patch) | |
| tree | 6fa707df46df62fbf637386e5a2e960c6b5da679 | |
| parent | 0481d29d49cc26a944d0d502360f044cb493a4b5 (diff) | |
| download | llvm-25ddc2bf7ed69f500dd4d3e003004bda28c3dd95.tar.gz llvm-25ddc2bf7ed69f500dd4d3e003004bda28c3dd95.tar.bz2 llvm-25ddc2bf7ed69f500dd4d3e003004bda28c3dd95.tar.xz | |
ARM Thumb2 asm parsing [SU]XT[BH] without rotate but with .w.
Add inst alias to handle these assembly forms. Add tests, too.
rdar://10178799
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140647 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 10 | ||||
| -rw-r--r-- | test/MC/ARM/basic-thumb2-instructions.s | 9 |
2 files changed, 18 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index c0911d0f3d..6ce4438943 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -3936,12 +3936,17 @@ def : t2InstAlias<"sxtah${p} $Rd, $Rn, $Rm", (t2SXTAH rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>; def : t2InstAlias<"sxtab16${p} $Rd, $Rn, $Rm", (t2SXTAB16 rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>; + def : t2InstAlias<"sxtb${p} $Rd, $Rm", (t2SXTB rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>; def : t2InstAlias<"sxtb16${p} $Rd, $Rm", (t2SXTB16 rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>; def : t2InstAlias<"sxth${p} $Rd, $Rm", (t2SXTH rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>; +def : t2InstAlias<"sxtb${p}.w $Rd, $Rm", + (t2SXTB rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>; +def : t2InstAlias<"sxth${p}.w $Rd, $Rm", + (t2SXTH rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>; def : t2InstAlias<"uxtab${p} $Rd, $Rn, $Rm", (t2UXTAB rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, 0, pred:$p)>; @@ -3956,6 +3961,11 @@ def : t2InstAlias<"uxtb16${p} $Rd, $Rm", def : t2InstAlias<"uxth${p} $Rd, $Rm", (t2UXTH rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>; +def : t2InstAlias<"uxtb${p}.w $Rd, $Rm", + (t2UXTB rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>; +def : t2InstAlias<"uxth${p}.w $Rd, $Rm", + (t2UXTH rGPR:$Rd, rGPR:$Rm, 0, pred:$p)>; + // Extend instruction w/o the ".w" optional width specifier. def : t2InstAlias<"uxtb${p} $Rd, $Rm$rot", (t2UXTB rGPR:$Rd, rGPR:$Rm, rot_imm:$rot, pred:$p)>; diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s index b75f9f8ee1..c2e78e71f8 100644 --- a/test/MC/ARM/basic-thumb2-instructions.s +++ b/test/MC/ARM/basic-thumb2-instructions.s @@ -2517,6 +2517,7 @@ _func: ite ge sxtbge r2, r4 sxtblt r5, r1, ror #16 + sxtb.w r7, r8 @ CHECK: sxtb r5, r6 @ encoding: [0x75,0xb2] @ CHECK: sxtb.w r6, r9, ror #8 @ encoding: [0x4f,0xfa,0x99,0xf6] @@ -2524,6 +2525,7 @@ _func: @ CHECK: ite ge @ encoding: [0xac,0xbf] @ CHECK: sxtbge r2, r4 @ encoding: [0x62,0xb2] @ CHECK: sxtblt.w r5, r1, ror #16 @ encoding: [0x4f,0xfa,0xa1,0xf5] +@ CHECK: sxtb.w r7, r8 @ encoding: [0x4f,0xfa,0x88,0xf7] @------------------------------------------------------------------------------ @@ -2553,6 +2555,7 @@ _func: itt ne sxthne r3, r9 sxthne r2, r2, ror #16 + sxth.w r7, r8 @ CHECK: sxth r1, r6 @ encoding: [0x31,0xb2] @ CHECK: sxth.w r3, r8, ror #8 @ encoding: [0x0f,0xfa,0x98,0xf3] @@ -2560,6 +2563,7 @@ _func: @ CHECK: itt ne @ encoding: [0x1c,0xbf] @ CHECK: sxthne.w r3, r9 @ encoding: [0x0f,0xfa,0x89,0xf3] @ CHECK: sxthne.w r2, r2, ror #16 @ encoding: [0x0f,0xfa,0xa2,0xf2] +@ CHECK: sxth.w r7, r8 @ encoding: [0x0f,0xfa,0x88,0xf7] @------------------------------------------------------------------------------ @@ -3016,6 +3020,7 @@ _func: it cc uxtbcc r5, r1, ror #16 uxtb r8, r3, ror #24 + uxtb.w r7, r8 @ CHECK: it ge @ encoding: [0xa8,0xbf] @ CHECK: uxtbge r2, r4 @ encoding: [0xe2,0xb2] @@ -3024,6 +3029,7 @@ _func: @ CHECK: it lo @ encoding: [0x38,0xbf] @ CHECK: uxtblo.w r5, r1, ror #16 @ encoding: [0x5f,0xfa,0xa1,0xf5] @ CHECK: uxtb.w r8, r3, ror #24 @ encoding: [0x5f,0xfa,0xb3,0xf8] +@ CHECK: uxtb.w r7, r8 @ encoding: [0x5f,0xfa,0x88,0xf7] @------------------------------------------------------------------------------ @@ -3056,6 +3062,7 @@ _func: it le uxthle r2, r2, ror #16 uxth r9, r3, ror #24 + uxth.w r7, r8 @ CHECK: it ne @ encoding: [0x18,0xbf] @ CHECK: uxthne.w r3, r9 @ encoding: [0x1f,0xfa,0x89,0xf3] @@ -3064,7 +3071,7 @@ _func: @ CHECK: it le @ encoding: [0xd8,0xbf] @ CHECK: uxthle.w r2, r2, ror #16 @ encoding: [0x1f,0xfa,0xa2,0xf2] @ CHECK: uxth.w r9, r3, ror #24 @ encoding: [0x1f,0xfa,0xb3,0xf9] - +@ CHECK: uxth.w r7, r8 @ encoding: [0x1f,0xfa,0x88,0xf7] @------------------------------------------------------------------------------ @ WFE/WFI/YIELD |