http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56544
Bug #: 56544
Summary: documentation for __cplusplus is out of date
Classification: Unclassified
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jistone at redhat dot com
Target Milestone: ---
Given this input foo.c:
#include
typedef struct { double x; } Foo;
Foo foo(Foo f) {
f.x = fabs(f.x);
return f;
}
mingw-gcc produces code that uses XMM0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82028
--- Comment #1 from Josh Stone ---
Fedora's mingw-gcc also produces code passing through xmm0:
:
0: 55 push %rbp
1: 48 89 e5mov%rsp,%rbp
4: f2 0f 11 45 10 movsd
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: jistone at redhat dot com
Target Milestone: ---
Target: i686-w64-mingw32
This is nearly a clone of bug 82028, but it's less clear to me if it's actua
mment-280798073
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: jistone at redhat dot com
Target Milestone: ---
Created attachment 40809
--> https://gcc.gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79665
--- Comment #3 from Josh Stone ---
I'm using just -O3, and then I compared effects with and without -fwrapv to
figure out what's going on. Clang is only faster without -fwrapv.
With -march=native on my Sandy Bridge, a few instructions are place
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: jistone at redhat dot com
CC: fche at redhat dot com, law at redhat dot com, mark at gcc
dot gnu.org
Target Milestone: ---
Created attachment 36683
-->
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68281
--- Comment #1 from Josh Stone ---
I suspect this may actually be acceptable, NOTABUG, because I can't think of
any uninitialized data that would make the effective behavior different than if
it had been checked in the proper order. Both conditi
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68281
--- Comment #2 from Josh Stone ---
This may also be significant:
bool
base_query::get_number_param(literal_map_t const & params,
interned_string k, long & v)
{
int64_t value;
bool present = derived_probe_builder:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68281
Josh Stone changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49167
Josh Stone changed:
What|Removed |Added
CC||jistone at redhat dot com
--- Comment #1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104161
Josh Stone changed:
What|Removed |Added
CC||jistone at redhat dot com
--- Comment #5
12 matches
Mail list logo
