[Bug tree-optimization/65077] [4.9 Regression] memcpy generates incorrect code with floating point numbers and -O1

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077 --- Comment #15 from anders.blomdell at control dot lth.se --- (In reply to Richard Biener from comment #4) > we have similar handling for > > else if (truth_value_p (code)) > /* Truth value results are not po

[Bug tree-optimization/65077] [4.9/5 Regression] memcpy generates incorrect code with floating point numbers and -O1

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077 anders.blomdell at control dot lth.se changed: What|Removed |Added Attachment #34774|0 |1 is

[Bug tree-optimization/65077] [4.9/5 Regression] memcpy generates incorrect code with floating point numbers and -O1

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077 --- Comment #11 from anders.blomdell at control dot lth.se --- (In reply to Richard Biener from comment #10) > Created attachment 34781 [details] > untested patch Apllied patch to Fedora SRPM, rebuilt, installed, rerun my testcase:

[Bug tree-optimization/65077] [4.9/5 Regression] memcpy generates incorrect code with floating point numbers and -O1

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077 --- Comment #9 from anders.blomdell at control dot lth.se --- (In reply to Richard Biener from comment #7) >* tree-ssa-structalias.c (find_func_aliases): Assume that >floating-point values are not used to transfer po

[Bug tree-optimization/65077] [4.9/5 Regression] memcpy generates incorrect code with floating point numbers and -O1

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077 --- Comment #8 from anders.blomdell at control dot lth.se --- (In reply to Richard Biener from comment #6) > (In reply to anders.blomdell from comment #5) > > No, but my users insists on using Matlab/Simulink, and the testcase is a &g

[Bug c/65077] memcpy generates incorrect code with floating point numbers and -O1

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077 --- Comment #5 from anders.blomdell at control dot lth.se --- No, but my users insists on using Matlab/Simulink, and the testcase is a heavily downsized version of what is done in their S-functions.

[Bug c/65077] memcpy generates incorrect code with floating point numbers and -O1

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077 --- Comment #3 from anders.blomdell at control dot lth.se --- Created attachment 34778 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34778&action=edit Shell-script for testing flag variations

[Bug c/65077] memcpy generates incorrect code with floating point numbers and -O1

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077 --- Comment #2 from anders.blomdell at control dot lth.se --- Created attachment 34777 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34777&action=edit preprocessed program

[Bug middle-end/59990] [4.8 regression] incorrect memcpy optimization

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59990 --- Comment #23 from anders.blomdell at control dot lth.se --- Sorry attachments belongs to bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077

[Bug middle-end/59990] [4.8 regression] incorrect memcpy optimization

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59990 --- Comment #22 from anders.blomdell at control dot lth.se --- Sorry attachments belongs to bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077

[Bug middle-end/59990] [4.8 regression] incorrect memcpy optimization

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59990 --- Comment #21 from anders.blomdell at control dot lth.se --- Sorry attachments belongs to bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65077

[Bug middle-end/59990] [4.8 regression] incorrect memcpy optimization

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59990 --- Comment #20 from anders.blomdell at control dot lth.se --- Created attachment 34776 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34776&action=edit Shell-script for testing flag variations

[Bug middle-end/59990] [4.8 regression] incorrect memcpy optimization

2015-02-16 Thread anders.blomdell at control dot lth.se
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59990 anders.blomdell at control dot lth.se changed: What|Removed |Added CC||anders.blomdell

[Bug c/65077] New: memcpy generates incorrect code with floating point numbers and -O1

2015-02-16 Thread anders.blomdell at control dot lth.se
Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: anders.blomdell at control dot lth.se Created attachment 34774 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34774&action=edit Program that triggers bug The attached code (