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From: David Holsgrove <david.holsgrove@xilinx.com>
Subject: [PATCH] [Patch, microblaze]: cstoresf4, add mode and
ordered_comparison_operator
Add SImode to comparison operator, prevents ICE during combine
rtl pass with error message;
internal compiler error: in simplify_subreg, at simplify-rtx.c:5725
Use ordered_comparison_operator predicate to limit operators to
those fcmp can handle, and letting compiler reorder insns to
accomodate unordered as necessary
Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
Upstream-Status: Pending
---
gcc/config/microblaze/microblaze.md | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/gcc/config/microblaze/microblaze.md b/gcc/config/microblaze/microblaze.md
index 786dabb..e9b032b 100644
--- a/gcc/config/microblaze/microblaze.md
+++ b/gcc/config/microblaze/microblaze.md
@@ -1650,7 +1650,7 @@
;;----------------------------------------------------------------
(define_insn "cstoresf4"
[(set (match_operand:SI 0 "register_operand" "=r")
- (match_operator 1 "comparison_operator"
+ (match_operator:SI 1 "ordered_comparison_operator"
[(match_operand:SF 2 "register_operand" "r")
(match_operand:SF 3 "register_operand" "r")]))]
"TARGET_HARD_FLOAT"
@@ -1679,7 +1679,7 @@
(define_expand "cbranchsf4"
[(set (pc)
- (if_then_else (match_operator 0 "comparison_operator"
+ (if_then_else (match_operator 0 "ordered_comparison_operator"
[(match_operand:SF 1 "register_operand")
(match_operand:SF 2 "register_operand")])
(label_ref (match_operand 3 ""))
--
1.7.9.5
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