[Bug target/124294] [15/16 Regression] wrong operand order of "vmovw" of xmm16 with -masm=intel since r15-3184

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124294

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2026-02-27
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1
            Summary|wrong operand order of      |[15/16 Regression] wrong
                   |"vmovw" of xmm16 with       |operand order of "vmovw" of
                   |-masm=intel                 |xmm16 with -masm=intel
                   |                            |since r15-3184
   Target Milestone|---                         |15.3
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Introduced in r15-3184
--- gcc/config/i386/sse.md.jj   2026-02-27 21:23:05.086994077 +0100
+++ gcc/config/i386/sse.md      2026-02-27 22:17:33.564215619 +0100
@@ -12445,7 +12445,7 @@ (define_insn "avx512fp16_mov<mode>"
   || (TARGET_AVX10_2 && const0_operand (operands[1], <MODE>mode))"
   "@
     vmovsh\t{%2, %1, %0|%0, %1, %2}
-    vmovw\t{%2, %0|%2, %0}"
+    vmovw\t{%2, %0|%0, %2}"
   [(set_attr "isa" "*,avx10_2")
    (set_attr "type" "ssemov")
    (set_attr "prefix" "evex")
should fix this, don't see similar bugs anywhere in config/i386/*.md