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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/102761] [10/11/12 Regression] ICE with -O1 and above: in
 ix86_print_operand_address_as due to %a0 and if_then_else and X
 constraint
Date: Fri, 15 Oct 2021 03:21:49 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102761

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-invalid-code
   Last reconfirmed|                            |2021-10-15
             Status|UNCONFIRMED                 |NEW
            Summary|ICE with -O1 and above: in  |[10/11/12 Regression] ICE
                   |ix86_print_operand_address_ |with -O1 and above: in
                   |as, at                      |ix86_print_operand_address_
                   |config/i386/i386.c:13720    |as due to %a0 and
                   |                            |if_then_else and X
                   |                            |constraint
      Known to work|                            |9.1.0, 9.4.0
   Target Milestone|---                         |10.4
     Ever confirmed|0                           |1

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(insn 16 30 20 2 (parallel [
            (asm_operands/v ("%a0") ("") 0 [
                    (if_then_else:SI (ne:SI (reg:SI 0 ax [86])
                            (const_int 0 [0]))
                        (const_int 2 [0x2])
                        (const_int 1 [0x1]))
                ]
                 [
                    (asm_input:SI ("X") /app/example.cpp:1)
                ]
                 [] /app/example.cpp:1)
            (clobber (reg:CC 17 flags))
        ]) "/app/example.cpp":1:7 -1
     (expr_list:REG_DEAD (reg:SI 0 ax [86])
        (expr_list:REG_UNUSED (reg:CC 17 flags)
            (nil))))=