From: Vladimir Makarov <vmakarov@redhat.com>
Date: Thu, 29 Mar 2018 18:29:12 +0000 (+0000)
Subject: re PR inline-asm/84985 (ICE in match_reload, at lra-constraints.c:1068)
X-Git-Tag: basepoints/gcc-9~416
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=28ed14605eba0b4978fa8158cc2bc3db75f16f5d;p=thirdparty%2Fgcc.git

re PR inline-asm/84985 (ICE in match_reload, at lra-constraints.c:1068)

2018-03-29  Vladimir Makarov  <vmakarov@redhat.com>

	PR inline-asm/84985
	* lra-constraints.c (process_alt_operands): Move setting
	this_alternative_matches below.

2018-03-29  Vladimir Makarov  <vmakarov@redhat.com>

	PR inline-asm/84985
	* gcc.target/i386/pr84985.c: New.

From-SVN: r258961
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2c044f7bc1ba..3dd318ac97fe 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-03-29  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR inline-asm/84985
+	* lra-constraints.c (process_alt_operands): Move setting
+	this_alternative_matches below.
+
 2018-03-29  Martin Liska  <mliska@suse.cz>
 
         PR lto/84995.
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c
index 0dd4787ff548..5405c4d2adb9 100644
--- a/gcc/lra-constraints.c
+++ b/gcc/lra-constraints.c
@@ -2126,7 +2126,6 @@ process_alt_operands (int only_alternative)
 			&& curr_operand_mode[m] != curr_operand_mode[nop])
 		      break;
 		    
-		    this_alternative_matches = m;
 		    m_hregno = get_hard_regno (*curr_id->operand_loc[m], false);
 		    /* We are supposed to match a previous operand.
 		       If we do, we win if that one did.  If we do
@@ -2228,6 +2227,7 @@ process_alt_operands (int only_alternative)
 		    else
 		      did_match = true;
 
+		    this_alternative_matches = m;
 		    /* This can be fixed with reloads if the operand
 		       we are supposed to match can be fixed with
 		       reloads. */
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 912d406b5c4b..bc545f021ede 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-03-29  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR inline-asm/84985
+	* gcc.target/i386/pr84985.c: New.
+
 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
 
 	PR c++/85110
diff --git a/gcc/testsuite/gcc.target/i386/pr84985.c b/gcc/testsuite/gcc.target/i386/pr84985.c
new file mode 100644
index 000000000000..e987e4113807
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr84985.c
@@ -0,0 +1,6 @@
+/* { dg-do compile } */
+/* { dg-options "-O0" } */
+int main() {
+  int a;
+  asm("" : "=d"(a) : "0"(a), "0ae"(&a));
+}