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re PR rtl-optimization/30967 (Extra sign/zero extend with word comparison result) 

PR rtl-optimization/30967
	* config/rs6000/rs6000.c (rs6000_rtx_costs): Don't consider
	destination mode for the cost of scc patterns.

From-SVN: r223174
This commit is contained in:
Segher Boessenkool 2015-05-13 21:14:07 +02:00 committed by Segher Boessenkool
parent 1c08a6770c
commit 7893307bb2
2 changed files with 7 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2015-05-13 Segher Boessenkool <segher@kernel.crashing.org>
PR rtl-optimization/30967
* config/rs6000/rs6000.c (rs6000_rtx_costs): Don't consider
destination mode for the cost of scc patterns.
2015-05-13 Uros Bizjak <ubizjak@gmail.com> 2015-05-13 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (*mul<mode>3_1): Merge with *mulhi3_1 * config/i386/i386.md (*mul<mode>3_1): Merge with *mulhi3_1

2
gcc/config/rs6000/rs6000.c
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@ -30640,7 +30640,7 @@ rs6000_rtx_costs (rtx x, int code, int outer_code, int opno ATTRIBUTE_UNUSED,
*total = COSTS_N_INSNS (2); *total = COSTS_N_INSNS (2);
return true; return true;
} }
else if (mode == Pmode) else
{ {
*total = COSTS_N_INSNS (3); *total = COSTS_N_INSNS (3);
return false; return false;