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authorAlex Bradbury <asb@lowrisc.org>2018-06-20 18:42:25 +0000
committerAlex Bradbury <asb@lowrisc.org>2018-06-20 18:42:25 +0000
commitfafdebcfcb621e213edefadb84766e196b0c14b6 (patch)
treecf0b66fc4ad3eb531130eb69996c77d8756a7b6f /llvm/lib
parent6f78be66e6182268d44ec44304abfbbd79d96d13 (diff)
downloadbcm5719-llvm-fafdebcfcb621e213edefadb84766e196b0c14b6.tar.gz
bcm5719-llvm-fafdebcfcb621e213edefadb84766e196b0c14b6.zip
[RISCV] Accept fmv.s.x and fmv.x.s as mnemonic aliases for fmv.w.x and fmv.x.w
These instructions were renamed in version 2.2 of the user-level ISA spec, but the old name should also be accepted by standard tools. llvm-svn: 335154
Diffstat (limited to 'llvm/lib')
-rw-r--r--llvm/lib/Target/RISCV/RISCVInstrInfoF.td5
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoF.td b/llvm/lib/Target/RISCV/RISCVInstrInfoF.td
index 12b1d9a857f..6d7c59becf2 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoF.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoF.td
@@ -226,6 +226,11 @@ def : InstAlias<"fsflags $rd, $rs", (CSRRW GPR:$rd, 0x001, GPR:$rs)>;
def : InstAlias<"fsflags $rs", (CSRRW X0, 0x001, GPR:$rs), 2>;
def : InstAlias<"fsflagsi $rd, $imm", (CSRRWI GPR:$rd, 0x001, uimm5:$imm)>;
def : InstAlias<"fsflagsi $imm", (CSRRWI X0, 0x001, uimm5:$imm), 2>;
+
+// fmv.w.x and fmv.x.w were previously known as fmv.s.x and fmv.x.s. Both
+// spellings should be supported by standard tools.
+def : MnemonicAlias<"fmv.s.x", "fmv.w.x">;
+def : MnemonicAlias<"fmv.x.s", "fmv.x.w">;
} // Predicates = [HasStdExtF]
//===----------------------------------------------------------------------===//
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