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-rw-r--r--llvm/lib/Target/RISCV/RISCVInstrInfoF.td7
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoF.td b/llvm/lib/Target/RISCV/RISCVInstrInfoF.td
index 6121dea277c..12b1d9a857f 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoF.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoF.td
@@ -200,6 +200,13 @@ def : InstAlias<"fmv.s $rd, $rs", (FSGNJ_S FPR32:$rd, FPR32:$rs, FPR32:$rs)>;
def : InstAlias<"fabs.s $rd, $rs", (FSGNJX_S FPR32:$rd, FPR32:$rs, FPR32:$rs)>;
def : InstAlias<"fneg.s $rd, $rs", (FSGNJN_S FPR32:$rd, FPR32:$rs, FPR32:$rs)>;
+// fgt.s/fge.s are recognised by the GNU assembler but the canonical
+// flt.s/fle.s forms will always be printed. Therefore, set a zero weight.
+def : InstAlias<"fgt.s $rd, $rs, $rt",
+ (FLT_S GPR:$rd, FPR32:$rt, FPR32:$rs), 0>;
+def : InstAlias<"fge.s $rd, $rs, $rt",
+ (FLE_S GPR:$rd, FPR32:$rt, FPR32:$rs), 0>;
+
// The following csr instructions actually alias instructions from the base ISA.
// However, it only makes sense to support them when the F extension is enabled.
// CSR Addresses: 0x003 == fcsr, 0x002 == frm, 0x001 == fflags
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