diff options
| author | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1996-03-19 12:44:11 +0000 |
|---|---|---|
| committer | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1996-03-19 12:44:11 +0000 |
| commit | 388a098470f33482bc22163bc00ee555156128f0 (patch) | |
| tree | 18257c82dc0c34db56b22f5746516d954cfbb7eb /gcc/reg-stack.c | |
| parent | e27d324f306159c4602370f09e2345b5379f5ae5 (diff) | |
| download | gcc-388a098470f33482bc22163bc00ee555156128f0.tar.gz | |
(move_for_stack_reg): Avoid stack overflow while storing XFmode from
fp reg to memory.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11564 138bc75d-0d04-0410-961f-82ee72b054a4
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 95f968e8334..65b93927a8f 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 |