Mercurial > hg > CbC > CbC_gcc
diff gcc/config/picochip/picochip.md @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 24 May 2010 12:47:05 +0900 |
| parents | 77e2b8dfacca |
| children | f6334be47118 |
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--- a/gcc/config/picochip/picochip.md Fri Feb 12 23:41:23 2010 +0900 +++ b/gcc/config/picochip/picochip.md Mon May 24 12:47:05 2010 +0900 @@ -590,6 +590,23 @@ (set_attr "length" "2,2,4") ]) +;; This pattern was added to match the previous pattern. When doing if-convert +;; the pattern generated using movhicc does not have a eq:CC but only a eq for +;; operator. If this pattern were not to be there, Gcc decides not to use +;; movhicc at all. Whereas, in Gcc 4.4, it seems to be cleverer. +(define_insn "*supported_compare1" + [(set (reg:CC CC_REGNUM) + (match_operator 0 "picochip_supported_comparison_operator" + [(match_operand:HI 1 "register_operand" "r,r,r") + (match_operand:HI 2 "picochip_comparison_operand" "r,J,i")]))] + "" + "* return picochip_output_compare(operands);" + [; Must be picoAlu because it sets the condition flags. + (set_attr "type" "picoAlu,picoAlu,picoAlu") + (set_attr "longConstant" "false,false,true") + (set_attr "length" "2,2,4") + ]) + (define_insn "*compare" [(set (reg:CC CC_REGNUM) (match_operator:CC 0 "comparison_operator"