[PATCH, csky] add an earlyclobber for two patterns
瞿仙淼
xianmiao_qu@c-sky.com
Sun Sep 9 04:21:00 GMT 2018
Hello!
Two patterns were missing an earlyclobber.
Index: gcc/ChangeLog
===================================================================
--- gcc/ChangeLog (revision 264177)
+++ gcc/ChangeLog (revision 264176)
@@ -1,8 +1,3 @@
-2018-09-09 Xianmiao Qu <xianmiao_qu@c-sky.com>
-
- * config/csky/csky.md (*cskyv2_adddi3, *cskyv2_subdi3): Add
- earlyclobber.
-
2018-09-08 John David Anglin <danglin@gcc.gnu.org>
PR rtl-optimization/85458
Index: gcc/config/csky/csky.md
===================================================================
--- gcc/config/csky/csky.md (revision 264177)
+++ gcc/config/csky/csky.md (revision 264176)
@@ -919,7 +919,7 @@
clear the carry bit before adding the lo words. */
(define_insn_and_split "*cskyv2_adddi3"
- [(set (match_operand:DI 0 "register_operand" "=&b,&r")
+ [(set (match_operand:DI 0 "register_operand" "=b,&r")
(plus:DI (match_operand:DI 1 "register_operand" "%0,r")
(match_operand:DI 2 "register_operand" "b, r")))
(clobber (reg:CC CSKY_CC_REGNUM))]
@@ -1117,7 +1117,7 @@
set the C bit before subtracting the lo words. */
(define_insn_and_split "*cskyv2_subdi3"
- [(set (match_operand:DI 0 "register_operand" "=&b,&r")
+ [(set (match_operand:DI 0 "register_operand" "=b,&r")
(minus:DI (match_operand:DI 1 "register_operand" "0, r")
(match_operand:DI 2 "register_operand" "b, r")))
(clobber (reg:CC CSKY_CC_REGNUM))]
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