[PATCH] D99538: [MC][ARM] add .w suffixes for ORN/ORNS T1

[Nick Desaulniers via Phabricator via llvm-commits]

nickdesaulniers created this revision.
nickdesaulniers added a reviewer: DavidSpickett.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
nickdesaulniers requested review of this revision.
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See also:
F5.1.128 ORN, ORNS (register) T1 shift or rotate by value variant
of the Arm ARM.

Link: https://github.com/ClangBuiltLinux/linux/issues/1309


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D99538

Files:
  llvm/lib/Target/ARM/ARMInstrThumb2.td
  llvm/test/MC/ARM/basic-thumb2-instructions.s


Index: llvm/test/MC/ARM/basic-thumb2-instructions.s
===================================================================
--- llvm/test/MC/ARM/basic-thumb2-instructions.s
+++ llvm/test/MC/ARM/basic-thumb2-instructions.s
@@ -1878,7 +1878,9 @@
 @------------------------------------------------------------------------------
         orn r4, r5, #0xf000
         orn r4, r5, r6
+        orn.w r4, r5, r6
         orns r4, r5, r6
+        orns.w r4, r5, r6
         orn r4, r5, r6, lsl #5
         orns r4, r5, r6, lsr #5
         orn r4, r5, r6, lsr #5
@@ -1887,6 +1889,8 @@
 
 @ CHECK: orn	r4, r5, #61440          @ encoding: [0x65,0xf4,0x70,0x44]
 @ CHECK: orn	r4, r5, r6              @ encoding: [0x65,0xea,0x06,0x04]
+@ CHECK: orn	r4, r5, r6              @ encoding: [0x65,0xea,0x06,0x04]
+@ CHECK: orns	r4, r5, r6              @ encoding: [0x75,0xea,0x06,0x04]
 @ CHECK: orns	r4, r5, r6              @ encoding: [0x75,0xea,0x06,0x04]
 @ CHECK: orn	r4, r5, r6, lsl #5      @ encoding: [0x65,0xea,0x46,0x14]
 @ CHECK: orns	r4, r5, r6, lsr #5      @ encoding: [0x75,0xea,0x56,0x14]
Index: llvm/lib/Target/ARM/ARMInstrThumb2.td
===================================================================
--- llvm/lib/Target/ARM/ARMInstrThumb2.td
+++ llvm/lib/Target/ARM/ARMInstrThumb2.td
@@ -2849,6 +2849,8 @@
 defm t2ORN  : T2I_bin_irs<0b0011, "orn",
                           IIC_iBITi, IIC_iBITr, IIC_iBITsi,
                           BinOpFrag<(or node:$LHS, (not node:$RHS))>, 0, "">;
+def : t2InstAlias<"orn${s}${p}.w $Rd, $Rn, $Rm",
+   (t2ORNrr rGPR:$Rd, rGPR:$Rn, rGPR:$Rm, pred:$p, cc_out:$s)>;
 
 /// T2I_un_irs - Defines a set of (op reg, {so_imm|r|so_reg}) patterns for a
 /// unary operation that produces a value. These are predicable and can be


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