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(move_for_stack_reg): Avoid stack overflow while storing XFmode from

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fp reg to memory.

From-SVN: r11564
This commit is contained in:
Richard Kenner 1996-03-19 07:44:11 -05:00
parent 7a1b98a901
commit 314d1f3c28
1 changed files with 1 additions and 1 deletions
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2
gcc/reg-stack.c
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@ -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