[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

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102761

--- Comment #2 from Uroš Bizjak <ubizjak at gmail dot com> ---
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index fb656094e9e..5d019f8e058 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -13921,7 +13921,10 @@ ix86_print_operand_address_as (FILE *file, rtx addr,
 static void
 ix86_print_operand_address (FILE *file, machine_mode /*mode*/, rtx addr)
 {
-  ix86_print_operand_address_as (file, addr, ADDR_SPACE_GENERIC, false);
+  if (this_is_asm_operands && ! address_operand (addr, VOIDmode))
+    output_operand_lossage ("invalid constraints for operand");
+  else
+    ix86_print_operand_address_as (file, addr, ADDR_SPACE_GENERIC, false);
 }

 /* Implementation of TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA.  */