From: Uros Bizjak <ubizjak@gmail.com>
Date: Mon, 18 Oct 2021 15:03:28 +0000 (+0200)
Subject: i386: Fix ICE in ix86_print_opreand_address [PR 102761]
X-Git-Tag: releases/gcc-11.3.0~722
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e9c3a7243bf7a4db9b0dec44d278e9bf527f3d9b;p=thirdparty%2Fgcc.git

i386: Fix ICE in ix86_print_opreand_address [PR 102761]

2021-10-18  Uroš Bizjak  <ubizjak@gmail.com>

	PR target/102761

gcc/ChangeLog:

	* config/i386/i386.c (ix86_print_operand_address):
	Error out for non-address_operand asm operands.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/pr102761.c: New test.
---

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index fa80daba5231..42c47d2b12b1 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -13767,7 +13767,10 @@ 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.  */
diff --git a/gcc/testsuite/gcc.target/i386/pr102761.c b/gcc/testsuite/gcc.target/i386/pr102761.c
new file mode 100644
index 000000000000..58ff27e4bcc7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr102761.c
@@ -0,0 +1,11 @@
+/* PR target/102761 */
+/* { dg-do compile } */
+/* { dg-options "-O1" } */
+
+int foo (void);
+
+void
+bar (void)
+{
+  asm volatile ("%a0" : : "X"(foo () ? 2 : 1)); /* { dg-error "invalid constraints for operand" } */
+}