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[Bug target/49257] -mfpmath=sse generates x87 instructions on 32 bits OS
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 6 Jun 2011 18:34:07 +0000
- Subject: [Bug target/49257] -mfpmath=sse generates x87 instructions on 32 bits OS
- Auto-submitted: auto-generated
- References: <bug-49257-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49257
Uros Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #24413|0 |1
is obsolete| |
Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |ubizjak at gmail dot com
|gnu.org |
--- Comment #8 from Uros Bizjak <ubizjak at gmail dot com> 2011-06-06 18:33:50 UTC ---
Created attachment 24451
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24451
Patch in testing.
Patch that wires up ix86_expand_convert_sign_didf_sse and uses this function to
implement ix86_expand_convert_sign_disf_sse.
The patch fixes the testcase, but in addition to -msse2 -mfpmath=sse,
-mno-80387 is also needed to prevent expansion through floatdixf