This patch fixes a typo in the subdf3 pattern that meant it had a
non-standard name and thus the compiler would emit a libcall rather than
the proper hardware instruction for DFmode subtraction.
Tested with standalone AMD GCN target. I will commit shortly.
Julian
2021-01-13 Julian Brown <jul...@codesourcery.com>
gcc/
* config/gcn/gcn-valu.md (subdf): Rename to...
(subdf3): This.
---
gcc/config/gcn/gcn-valu.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/config/gcn/gcn-valu.md b/gcc/config/gcn/gcn-valu.md
index 59d9849cb4e..24c17212c2a 100644
--- a/gcc/config/gcn/gcn-valu.md
+++ b/gcc/config/gcn/gcn-valu.md
@@ -2185,7 +2185,7 @@
[(set_attr "type" "vop3a")
(set_attr "length" "8,8")])
-(define_insn "subdf"
+(define_insn "subdf3"
[(set (match_operand:DF 0 "register_operand" "= v, v")
(minus:DF
(match_operand:DF 1 "gcn_alu_operand" "vSvB, v")
--
2.29.2
