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riscv-gcc-1
Commit 0a78e862 by Stan Cox
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(notice_update_cc): Clear cc_status if it references a mem we are modifying. 

From-SVN: r11643
parent 6752b7d4
Showing with 4 additions and 2 deletions
gcc/config/i386/i386.c
...@@ -2922,9 +2922,11 @@ notice_update_cc (exp) ...@@ -2922,9 +2922,11 @@ notice_update_cc (exp)
&& (REG_P (SET_SRC (exp)) && (REG_P (SET_SRC (exp))
|| GET_RTX_CLASS (GET_CODE (SET_SRC (exp))) == '<')) || GET_RTX_CLASS (GET_CODE (SET_SRC (exp))) == '<'))
{ {
if (cc_status.value1 && GET_CODE (cc_status.value1) == MEM) if (cc_status.value1 && GET_CODE (cc_status.value1) == MEM
|| reg_mentioned_p (SET_DEST (exp), cc_status.value1))
cc_status.value1 = 0; cc_status.value1 = 0;
if (cc_status.value2 && GET_CODE (cc_status.value2) == MEM) if (cc_status.value2 && GET_CODE (cc_status.value2) == MEM
|| reg_mentioned_p (SET_DEST (exp), cc_status.value2))
cc_status.value2 = 0; cc_status.value2 = 0;
return; return;
} }
......
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