diff mbox

[SH,committed] Fix gcc.target/sh/pr54236-1.c failures

Message ID 1431896730.2625.186.camel@yam-132-YW-E178-FTW
State New
Headers show

Commit Message

Oleg Endo May 17, 2015, 9:05 p.m. UTC 
Hi,

Since the recent changes in combine w.r.t. canonical forms of ashift and
mult outside mems, some of the SH patterns stopped working.  The
attached patch fixes the failures in gcc.target/sh/pr54236-1.c.

Tested briefly with
make -k check-gcc RUNTESTFLAGS="sh.exp --target_board=sh-sim
\{-m2/-ml,-m2/-mb,-m2a/-mb,-m4/-ml,-m4/-mb,-m4a/-ml,-m4a/-mb}"

Committed as r223274.

Cheers,
Oleg

gcc/ChangeLog:
	PR target/54236
	* config/sh/sh.md (*addc_2r_t): Use ashift instead of mult.
diff mbox

Patch

Index: gcc/config/sh/sh.md
===================================================================
--- gcc/config/sh/sh.md	(revision 223270)
+++ gcc/config/sh/sh.md	(working copy)
@@ -2040,8 +2040,8 @@ 
 (define_insn_and_split "*addc_2r_t"
   [(set (match_operand:SI 0 "arith_reg_dest")
 	(plus:SI (match_operand 1 "treg_set_expr")
-		 (mult:SI (match_operand:SI 2 "arith_reg_operand")
-			  (const_int 2))))
+		 (ashift:SI (match_operand:SI 2 "arith_reg_operand")
+			    (const_int 1))))
    (clobber (reg:SI T_REG))]
   "TARGET_SH1 && can_create_pseudo_p ()"
   "#"
@@ -2052,8 +2052,8 @@ 
 
 (define_insn_and_split "*addc_2r_t"
   [(set (match_operand:SI 0 "arith_reg_dest")
-	(plus:SI (mult:SI (match_operand:SI 1 "arith_reg_operand")
-			  (const_int 2))
+	(plus:SI (ashift:SI (match_operand:SI 1 "arith_reg_operand")
+			    (const_int 1))
 		 (match_operand 2 "treg_set_expr")))
    (clobber (reg:SI T_REG))]
   "TARGET_SH1 && can_create_pseudo_p ()"