[Bug target/110309] Wrong code for masked load expansion

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110309

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I think the two

(define_expand "maskload<mode><avx512fmaskmodelower>"
  [(set (match_operand:V48H_AVX512VL 0 "register_operand")
    (vec_merge:V48H_AVX512VL
      (match_operand:V48H_AVX512VL 1 "memory_operand")
      (match_dup 0)
      (match_operand:<avx512fmaskmode> 2 "register_operand")))]
  "TARGET_AVX512F")

(define_expand "maskload<mode><avx512fmaskmodelower>"
  [(set (match_operand:VI12_AVX512VL 0 "register_operand")
    (vec_merge:VI12_AVX512VL
      (match_operand:VI12_AVX512VL 1 "memory_operand")
      (match_dup 0)
      (match_operand:<avx512fmaskmode> 2 "register_operand")))]
  "TARGET_AVX512BW")

patterns are wrong (all others use UNSPEC_MASKMOV)