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| author | Richard Kenner <kenner@gcc.gnu.org> | 1996-04-15 08:21:56 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1996-04-15 08:21:56 -0400 |
| commit | b757e352816a7880ec42011666c5c7b33d6b7f4e (patch) | |
| tree | 6a2a8330893f2419f056c25977d1181716e13308 /gcc | |
| parent | ca366d685796853f720978315d4d26e14a02c7fe (diff) | |
| download | gcc-b757e352816a7880ec42011666c5c7b33d6b7f4e.zip gcc-b757e352816a7880ec42011666c5c7b33d6b7f4e.tar.gz gcc-b757e352816a7880ec42011666c5c7b33d6b7f4e.tar.bz2 | |
(notice_update_cc, case ASHIFT{,RT}, LSHIFTRT, ROTATE{,RT}): Don't set
CC_NO_OVERFLOW.
From-SVN: r11785
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/m68k/m68k.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c index 8da249d..9dc952a 100644 --- a/gcc/config/m68k/m68k.c +++ b/gcc/config/m68k/m68k.c @@ -1675,8 +1675,10 @@ notice_update_cc (exp, insn) { case PLUS: case MINUS: case MULT: case DIV: case UDIV: case MOD: case UMOD: case NEG: +#if 0 /* These instructions always clear the overflow bit */ case ASHIFT: case ASHIFTRT: case LSHIFTRT: case ROTATE: case ROTATERT: +#endif if (GET_MODE (cc_status.value2) != VOIDmode) cc_status.flags |= CC_NO_OVERFLOW; break; |