[Bug target/89040] [9 Regressiom] Wrong code with -mno-mmx

2022-05-27 Thread rguenth at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89040

Richard Biener  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED
  Known to fail||9.5.0
   Target Milestone|9.5 |10.0

--- Comment #6 from Richard Biener  ---
Fixed for GCC 10.

[Bug target/89040] [9 Regressiom] Wrong code with -mno-mmx

2021-09-25 Thread mikpelinux at gmail dot com via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89040

Mikael Pettersson  changed:

   What|Removed |Added

 CC||mikpelinux at gmail dot com

--- Comment #5 from Mikael Pettersson  ---
According to my git bisect, this was fixed for gcc-10.1.0 by

d4410ec0ab4e3d2c834a811acf9e39af32e1d1d8 is the first new commit
commit d4410ec0ab4e3d2c834a811acf9e39af32e1d1d8
Author: H.J. Lu 
Date:   Wed May 15 15:31:18 2019 +

i386: Allow MMX vector expanders with TARGET_MMX_WITH_SSE

PR target/89021
...
From-SVN: r271251

but it's part of a long series of patches (see PR89021) and I doubt it's
backportable as-is.

[Bug target/89040] [9 Regressiom] Wrong code with -mno-mmx

2021-09-15 Thread pinskia at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89040

--- Comment #4 from Andrew Pinski  ---
(In reply to Hongtao.liu from comment #3)
> > foo3b:
> > .LFB0:
> > .cfi_startproc
> > movq%xmm0, %rax   This should be "movd %xmm0, %eax".
> 
> The issue can't be reproduced on current trunk.

Right it seems like it was fixed in GCC 10.1.0.  I have not looked into why
though.

[Bug target/89040] [9 Regressiom] Wrong code with -mno-mmx

2021-09-15 Thread crazylht at gmail dot com via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89040

--- Comment #3 from Hongtao.liu  ---

> foo3b:
> .LFB0:
>   .cfi_startproc
>   movq%xmm0, %rax   This should be "movd %xmm0, %eax".

The issue can't be reproduced on current trunk.

[Bug target/89040] [9 Regressiom] Wrong code with -mno-mmx

2021-09-15 Thread pinskia at gcc dot gnu.org via Gcc-bugs 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89040

Andrew Pinski  changed:

   What|Removed |Added

  Known to fail||9.1.0, 9.4.0
   Target Milestone|--- |9.5
Summary|Wrong code with -mno-mmx|[9 Regressiom] Wrong code
   ||with -mno-mmx
   Keywords||wrong-code
  Known to work||10.1.0, 8.5.0