Hello!
We don't need scratch memory to convert value from memory.
2011-11-29 Uros Bizjak <ubiz...@gmail.com>
* config/i386/i386.md (*floathi<mode>2_i387_with_temp): Do not
allocate scratch memory for alternative 0.
Tested on x86_64-pc-linux-gnu {,-m32} and committed to mainline SVN.
Uros.
Index: i386.md
===================================================================
--- i386.md (revision 181804)
+++ i386.md (working copy)
@@ -4679,7 +4679,7 @@
(define_insn "*floathi<mode>2_i387_with_temp"
[(set (match_operand:X87MODEF 0 "register_operand" "=f,f")
(float:X87MODEF (match_operand:HI 1 "nonimmediate_operand" "m,?r")))
- (clobber (match_operand:HI 2 "memory_operand" "=m,m"))]
+ (clobber (match_operand:HI 2 "memory_operand" "=X,m"))]
"TARGET_80387
&& (!(SSE_FLOAT_MODE_P (<MODE>mode) && TARGET_SSE_MATH)
|| TARGET_MIX_SSE_I387)"
