AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jamagallon at ono dot com
GCC target triplet: i586-mandriva-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31396
--- Comment #1 from jamagallon at ono dot com 2007-03-29 23:17 ---
Created an attachment (id=13298)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13298&action=view)
testcase
Simple test case with a loop in main() and a call to a function.
Both just calculate the sum
--- Comment #2 from jamagallon at ono dot com 2007-03-29 23:18 ---
Created an attachment (id=13299)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13299&action=view)
Makefile for testcase
Makefile to build tst.c.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31396
--- Comment #3 from jamagallon at ono dot com 2007-03-29 23:22 ---
Sample assembler for the loops.
For the funcion, out of line:
#APP
#FBGN
#NO_APP
movldata, %edx
fldz
movl$1, %eax
.L2:
fadds -4(%edx,%eax,4)
addl$1, %eax
cmpl$268435457
--- Comment #4 from jamagallon at ono dot com 2007-03-29 23:47 ---
Assembler for the opteron.
out-of-line:
.L2:
cvtss2sd(%rdx,%rax,4), %xmm0
incq%rax
cmpq$268435456, %rax
addsd %xmm0, %xmm1
jne .L2
inline:
.L11:
cvtss2sd(%rdx,%rax,4), %xmm0
