https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50696
Eric Gallager changed:
What|Removed |Added
Keywords||patch
CC|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50696
Paolo Bonzini bonzini at gnu dot org changed:
What|Removed |Added
CC||bonzini at gnu dot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50696
H.J. Lu hjl.tools at gmail dot com changed:
What|Removed |Added
URL|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50696
H.J. Lu hjl.tools at gmail dot com changed:
What|Removed |Added
Component|target |rtl-optimization
---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50696
--- Comment #3 from H.J. Lu hjl.tools at gmail dot com 2011-10-11 20:11:59
UTC ---
Does this patch
diff --git a/gcc/combine.c b/gcc/combine.c
index 6c3b17c..52259b6 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -5078,6 +5078,22 @@ subst (rtx
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50696
--- Comment #4 from H.J. Lu hjl.tools at gmail dot com 2011-10-11 22:13:47
UTC ---
const_32bit_mask is incorrect since combine may optimize VAL
in ADDR VAL from 0x to 0xfffc. Even if we take
this into account, we can't decompose
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50696
--- Comment #5 from H.J. Lu hjl.tools at gmail dot com 2011-10-11 23:29:05
UTC ---
This patch changes combine not to generate:
(plus:DI (subreg:DI (mult:SI (reg/v:SI 85 [ i ])
(const_int 4 [0x4])) 0)
(subreg:DI (reg:SI 100) 0))
