[PATCH] D96313: [SPARCv9] allow stw as alias for st
Joerg Sonnenberger via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Feb 8 19:43:44 PST 2021
joerg created this revision.
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Strictly speaking, the architecture manual no longer uses the st
mnemonic, but that's a much more intrusive change for little gain.
https://reviews.llvm.org/D96313
Files:
llvm/lib/Target/Sparc/SparcInstrAliases.td
llvm/test/MC/Sparc/sparcv9-instructions.s
Index: llvm/test/MC/Sparc/sparcv9-instructions.s
===================================================================
--- llvm/test/MC/Sparc/sparcv9-instructions.s
+++ llvm/test/MC/Sparc/sparcv9-instructions.s
@@ -298,3 +298,6 @@
! V8-NEXT: rd %pc, %o7
! V9: rd %pc, %o7 ! encoding: [0x9f,0x41,0x40,0x00]
rd %pc, %o7
+
+ ! V9: st %o1, [%o0] ! encoding: [0xd2,0x22,0x00,0x00]
+ stw %o1, [%o0]
Index: llvm/lib/Target/Sparc/SparcInstrAliases.td
===================================================================
--- llvm/lib/Target/Sparc/SparcInstrAliases.td
+++ llvm/lib/Target/Sparc/SparcInstrAliases.td
@@ -492,6 +492,7 @@
def : MnemonicAlias<"stuha", "stha">;
def : MnemonicAlias<"stsha", "stha">;
+def : MnemonicAlias<"stw", "st">, Requires<[HasV9]>;
def : MnemonicAlias<"lduw", "ld">, Requires<[HasV9]>;
def : MnemonicAlias<"lduwa", "lda">, Requires<[HasV9]>;
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