http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51933
Jakub Jelinek changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51933
--- Comment #8 from Jakub Jelinek 2012-01-23
09:25:55 UTC ---
Author: jakub
Date: Mon Jan 23 09:25:52 2012
New Revision: 183416
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183416
Log:
PR rtl-optimization/51933
* ree.c (transfor
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51933
Jakub Jelinek changed:
What|Removed |Added
Attachment #26410|0 |1
is obsolete|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51933
--- Comment #6 from Jakub Jelinek 2012-01-22
09:42:05 UTC ---
Created attachment 26410
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26410
gcc47-pr51933.patch
Patch I wrote last night. Passed bootstrap/regtest, the only cases where it
pre
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51933
Eric Botcazou changed:
What|Removed |Added
Status|ASSIGNED|NEW
AssignedTo|ebotcazou at gcc d
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51933
--- Comment #4 from Jakub Jelinek 2012-01-21
18:40:23 UTC ---
That unfortunately slightly pessimizes it. E.g. on i686-linux bootstrap
on:
../../gcc/config/i386/i386.c ix86_memory_move_cost
../../gcc/config/i386/i386.c ix86_register_move_cost
../
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51933
--- Comment #3 from Jakub Jelinek 2012-01-21
15:57:23 UTC ---
Completely untested fix:
--- gcc/ree.c.jj2011-12-28 10:52:44.0 +0100
+++ gcc/ree.c2012-01-21 16:55:27.290731139 +0100
@@ -776,6 +776,23 @@ add_removable_extension (rtx
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51933
Eric Botcazou changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51933
--- Comment #1 from Jakub Jelinek 2012-01-21
15:24:26 UTC ---
Consider following 3 routines:
unsigned long
foo (unsigned short *s, int i)
{
unsigned short x = s[i];
if (x < 0x211)
return (unsigned char) x;
asm volatile ("");
return 6
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51933
Jakub Jelinek changed:
What|Removed |Added
Priority|P3 |P1
Known to work|
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