diff options
| author | Richard Kenner <kenner@gcc.gnu.org> | 1996-03-19 07:44:11 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1996-03-19 07:44:11 -0500 |
| commit | 314d1f3c2883033de837657a272eeb26e22e441d (patch) | |
| tree | 18257c82dc0c34db56b22f5746516d954cfbb7eb /gcc/reg-stack.c | |
| parent | 7a1b98a901d0a6dba4b7ee759963d04c71d13f8c (diff) | |
| download | gcc-314d1f3c2883033de837657a272eeb26e22e441d.zip gcc-314d1f3c2883033de837657a272eeb26e22e441d.tar.gz gcc-314d1f3c2883033de837657a272eeb26e22e441d.tar.bz2 | |
(move_for_stack_reg): Avoid stack overflow while storing XFmode from
fp reg to memory.
From-SVN: r11564
Diffstat (limited to 'gcc/reg-stack.c')
| -rw-r--r-- | gcc/reg-stack.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index 95f968e..65b9392 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -1904,7 +1904,7 @@ move_for_stack_reg (insn, regstack, pat) regstack->top--; CLEAR_HARD_REG_BIT (regstack->reg_set, REGNO (src)); } - else if (GET_MODE (src) == XFmode && regstack->top != REG_STACK_SIZE) + else if (GET_MODE (src) == XFmode && regstack->top < REG_STACK_SIZE - 1) { /* A 387 cannot write an XFmode value to a MEM without clobbering the source reg. The output code can handle |