Commit dc2a006b by Richard Stallman

*** empty log message ***

From-SVN: r663
parent ef8200df
......@@ -25,6 +25,7 @@
;; cpp macro #define NOTICE_UPDATE_CC in file tm.h handles condition code
;; updates for most instructions.
;; These comments are mostly obsolete. Written for gcc version 1.XX.
;; * Try using define_insn instead of some peepholes in more places.
;; * Set REG_NOTES:REG_EQUIV for cvt[bh]w loads. This would make the
;; backward scan in sign_extend needless.
......@@ -197,7 +198,8 @@
[(set (cc0)
(compare (match_operand:HI 0 "memory_operand" "m")
(match_operand:HI 1 "memory_operand" "m")))]
"weird_memory_memory (operands[0], operands[1])"
"(!TRULY_UNSIGNED_COMPARE_P (GET_CODE (XEXP (SET_SRC (PATTERN (NEXT_INSN (insn))), 0))))
&& weird_memory_memory (operands[0], operands[1])"
"*
{
rtx br_insn = NEXT_INSN (insn);
......@@ -220,7 +222,8 @@
[(set (cc0)
(compare (match_operand:HI 0 "nonimmediate_operand" "r,m")
(match_operand:HI 1 "nonimmediate_operand" "m,r")))]
"(GET_CODE (operands[0]) != GET_CODE (operands[1]))"
"(!TRULY_UNSIGNED_COMPARE_P (GET_CODE (XEXP (SET_SRC (PATTERN (NEXT_INSN (insn))), 0))))
&& (GET_CODE (operands[0]) != GET_CODE (operands[1]))"
"*
{
rtx br_insn = NEXT_INSN (insn);
......
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