--- Comment #2 from changpeng dot fang at amd dot com 2010-06-04 23:15
---
Interesting! What's the difference between 17 and 18?
int main()
{
double i;
for(i=0; i18; i+=1); /* gcc -O3, empty loop not removed */
}
int main()
{
double i;
for(i=0;
--- Comment #3 from changpeng dot fang at amd dot com 2010-06-04 23:29
---
(In reply to comment #2)
Interesting! What's the difference between 17 and 18?
int main()
{
double i;
for(i=0; i18; i+=1); /* gcc -O3, empty loop not removed */
}
The funny thing occurs
--- Comment #4 from eblot dot ml at gmail dot com 2010-06-04 23:41 ---
(fixing up description)
--
eblot dot ml at gmail dot com changed:
What|Removed |Added
--- Comment #4 from pinskia at gcc dot gnu dot org 2010-06-05 00:05 ---
Interesting! What's the difference between 17 and 18?
Exact representation.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43529
On Linux/ia64, revision 160300 gave:
../../src-trunk/gcc/df-problems.c: In function 'df_lr_bb_local_compute':
../../src-trunk/gcc/df-problems.c:906: error: incompatible type for argument 1
of 'bitmap_set_bit'
../../src-trunk/gcc/df-problems.c: In function 'df_byte_lr_bb_local_compute':
--- Comment #1 from hjl dot tools at gmail dot com 2010-06-05 00:39 ---
It affects targets which define EH_USES:
ia64/ia64.h:#define EH_USES(REGNO) ia64_eh_uses (REGNO)
m32c/m32c.h:#define EH_USES(REGNO) 0 /* FIXME */
mips/mips.h:#define EH_USES(N) mips_eh_uses (N)
--
hjl dot
--- Comment #2 from hjl at gcc dot gnu dot org 2010-06-05 00:49 ---
Subject: Bug 44421
Author: hjl
Date: Sat Jun 5 00:48:49 2010
New Revision: 160305
URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=160305
Log:
Update df_lr_bb_local_compute for embedded bitmaps.
2010-06-04 H.J.
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