[Bug tree-optimization/90055] New: Incorrect result with ffast-math + tree-vectorize

2019-04-12 Thread wence at gmx dot li
: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: wence at gmx dot li Target Milestone: --- Created attachment 46147 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46147=edit Bug-provoking file The attached code should produce the answer 0: $ gc

[Bug tree-optimization/81633] [7/8 Regression] Incorrect floating point result with tree vectoriser

2017-08-02 Thread wence at gmx dot li
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81633 --- Comment #10 from Lawrence Mitchell --- Thanks!

[Bug tree-optimization/81633] New: Incorrect floating point result with tree vectoriser

2017-07-31 Thread wence at gmx dot li
Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: wence at gmx dot li Target Milestone: --- Created attachment 41873 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41873=edit Preprocessed source. The attached source (reduced from a real ker

[Bug tree-optimization/79920] [6 Regression] Incorrect floating point results when compiling with -O3

2017-03-09 Thread wence at gmx dot li
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79920 --- Comment #4 from Lawrence Mitchell --- Great, thanks. I'll try a build and test "in the wild".

[Bug c/79920] New: Incorrect floating point results when compiling with -O3

2017-03-06 Thread wence at gmx dot li
Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: wence at gmx dot li Target Milestone: --- Created attachment 40895 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40895=edit Preprocessed source The attached (preprocessed) code, wh

[Bug target/61068] -O3 generates bad code (when tree-vectorize or inline-functions is on)

2014-05-06 Thread wence at gmx dot li
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61068 Lawrence Mitchell wence at gmx dot li changed: What|Removed |Added Attachment #32738|0 |1

[Bug target/61068] -O3 generates bad code (when tree-vectorize or inline-functions is on)

2014-05-06 Thread wence at gmx dot li
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61068 --- Comment #5 from Lawrence Mitchell wence at gmx dot li --- (In reply to Zdenek Sojka from comment #3) You are casting double arg1_0[12][3] (and others) to (double *)arg1_0 and then using it as a single-dimensional array. The code has

[Bug c/61068] New: -O3 generates bad code (when tree-vectorize or inline-functions is on)

2014-05-05 Thread wence at gmx dot li
Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: wence at gmx dot li Created attachment 32738 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=32738action=edit preprocessed source The attached program segfaults at runtime when

[Bug c/61068] -O3 generates bad code (when tree-vectorize or inline-functions is on)

2014-05-05 Thread wence at gmx dot li
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61068 --- Comment #1 from Lawrence Mitchell wence at gmx dot li --- 4.9 does not fail.

[Bug fortran/48889] New: f951: internal compiler error: in gfc_is_constant_expr, at fortran/expr.c:906

2011-05-05 Thread wence at gmx dot li
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48889 Summary: f951: internal compiler error: in gfc_is_constant_expr, at fortran/expr.c:906 Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: