[Bug target/116738] Constant folding of _mm_min_ss and _mm_max_ss is wrong

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116738

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2024-09-17

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.

;; _18 = __builtin_ia32_minss (__A_16, __B_17);

(insn 34 33 35 (set (reg:V4SF 114)
        (mem/c:V4SF (plus:DI (reg/f:DI 93 virtual-stack-vars)
                (const_int -112 [0xffffffffffffff90])) [1 __A+0 S16 A128]))
"/home/rguenther/install/gcc-15/usr/local/lib64/gcc/x86_64-pc-linux-gnu/15.0.0/include/xmmintrin.h":197:10
-1
     (nil))

(insn 35 34 0 (set (reg:V4SF 101 [ D.41013 ])
        (vec_merge:V4SF (smin:V4SF (reg:V4SF 114)
                (mem/c:V4SF (plus:DI (reg/f:DI 93 virtual-stack-vars)
                        (const_int -128 [0xffffffffffffff80])) [1 __B+0 S16
A128]))
            (reg:V4SF 114)
            (const_int 1 [0x1])))
"/home/rguenther/install/gcc-15/usr/local/lib64/gcc/x86_64-pc-linux-gnu/15.0.0/include/xmmintrin.h":197:10
-1
     (nil))