From: Lulu Cheng <chenglulu@loongson.cn>
Date: Wed, 27 Apr 2022 07:07:05 +0000 (+0800)
Subject: LoongArch: Add fdiv define_expand template.
X-Git-Tag: basepoints/gcc-13~29
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b21d79e4e462e38868486bbf3d1eaf4c14cc6d0;p=thirdparty%2Fgcc.git

LoongArch: Add fdiv define_expand template.

gcc/ChangeLog:

	* config/loongarch/loongarch.md: Add fdiv define_expand template,
	then generate floating-point division and floating-point reciprocal
	instructions.
---

diff --git a/gcc/config/loongarch/loongarch.md b/gcc/config/loongarch/loongarch.md
index 5a7641703b54..d3c809e25f34 100644
--- a/gcc/config/loongarch/loongarch.md
+++ b/gcc/config/loongarch/loongarch.md
@@ -713,6 +713,12 @@
 ;;
 
 ;; Float division and modulus.
+(define_expand "div<mode>3"
+  [(set (match_operand:ANYF 0 "register_operand")
+	(div:ANYF (match_operand:ANYF 1 "reg_or_1_operand")
+		  (match_operand:ANYF 2 "register_operand")))]
+  "")
+
 (define_insn "*div<mode>3"
   [(set (match_operand:ANYF 0 "register_operand" "=f")
 	(div:ANYF (match_operand:ANYF 1 "register_operand" "f")