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riscv-gcc-1
Commit 314d1f3c by Richard Kenner
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(move_for_stack_reg): Avoid stack overflow while storing XFmode from 

fp reg to memory.

From-SVN: r11564
parent 7a1b98a9
Showing with 1 additions and 1 deletions
gcc/reg-stack.c
...@@ -1904,7 +1904,7 @@ move_for_stack_reg (insn, regstack, pat) ...@@ -1904,7 +1904,7 @@ move_for_stack_reg (insn, regstack, pat)
regstack->top--; regstack->top--;
CLEAR_HARD_REG_BIT (regstack->reg_set, REGNO (src)); 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 /* A 387 cannot write an XFmode value to a MEM without
clobbering the source reg. The output code can handle clobbering the source reg. The output code can handle
......
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