[Bug target/83315] PowerPC xmmintrin.h emulation for _mm_{min,max}_ps not semantically equivalent

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83315

--- Comment #2 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Author: segher
Date: Sat Mar 31 03:05:35 2018
New Revision: 258988

URL: https://gcc.gnu.org/viewcvs?rev=258988&root=gcc&view=rev
Log:
rs6000: Fix _mm_min_ps and _mm_max_ps (PR83315)

This makes _mm_{min,max}_ps work correctly for QNaNs.


        PR target/83315
        * config/rs6000/xmmintrin.h (_mm_set_ps, _mm_max_ps): Handle (quiet)
        NaN inputs correctly.

gcc/testsuite/
        PR target/83315
        * gcc.target/powerpc/sse-maxps-2.c: New test.
        * gcc.target/powerpc/sse-minps-2.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/powerpc/sse-maxps-2.c
    trunk/gcc/testsuite/gcc.target/powerpc/sse-minps-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/xmmintrin.h
    trunk/gcc/testsuite/ChangeLog