(move_for_stack_reg): Avoid stack overflow while storing XFmode from

fp reg to memory. From-SVN: r11564

(move_for_stack_reg): Avoid stack overflow while storing XFmode from
fp reg to memory. From-SVN: r11564
314d1f3c · Richard Kenner · 7a1b98a9 · 314d1f3c
Commit 314d1f3c authored Mar 19, 1996 by Richard Kenner
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gcc/reg-stack.c
+1 -1

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--- 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