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[SPARCv9] allow stw as alias for st 

Strictly speaking, the architecture manual no longer uses the st
mnemonic, but that's a much more intrusive change for little gain.

Differential Revision: https://reviews.llvm.org/D96313
This commit is contained in:
Joerg Sonnenberger 2021-05-20 15:25:46 +02:00
parent bdd82c3f51
commit 80836ee519
2 changed files with 4 additions and 0 deletions
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1
llvm/lib/Target/Sparc/SparcInstrAliases.td
View File

@ -491,6 +491,7 @@ def : MnemonicAlias<"stsh", "sth">;
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]>;

3
llvm/test/MC/Sparc/sparcv9-instructions.s
View File

@ -293,3 +293,6 @@
! V8-NEXT: rdpr %wstate,%i5
! V9: rdpr %wstate, %i5 ! encoding: [0xbb,0x53,0x80,0x00]
rdpr %wstate,%i5
! V9: st %o1, [%o0] ! encoding: [0xd2,0x22,0x00,0x00]
stw %o1, [%o0]