From: Jakub Jelinek <jakub@redhat.com>
Date: Wed, 4 Apr 2001 15:14:24 +0000 (+0200)
Subject: recog.c (validate_replace_rtx_1): Instead of aborting just make sure the change won... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=347f344069b04a3bd333dc0341de7f1db2714af3;p=gcc.git

recog.c (validate_replace_rtx_1): Instead of aborting just make sure the change won't be validated.

	* recog.c (validate_replace_rtx_1): Instead of aborting just make
	sure the change won't be validated.

	* gcc.c-torture/compile/20010326-1.c: New test.

From-SVN: r41083
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d99ef4affcb..5f23f3cd694 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-04-04  Jakub Jelinek  <jakub@redhat.com>
+
+	* recog.c (validate_replace_rtx_1): Instead of aborting just make
+	sure the change won't be validated.
+
 Wed Apr  4 00:45:38 EDT 2001  John Wehle  (john@feith.com)
 
 	* rtl.h (set_noop_p): Declare.
diff --git a/gcc/recog.c b/gcc/recog.c
index bc7c712de24..bbecd5b719e 100644
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -625,7 +625,13 @@ validate_replace_rtx_1 (loc, from, to, object)
 		  inner_mode = SImode;
 
 		if (GET_MODE_CLASS (mode) != MODE_INT)
-		  abort ();
+		  {
+		    /* Substitute in something that we know won't be
+		       recognized.  */
+		    to = gen_rtx_CLOBBER (GET_MODE (x), const0_rtx);
+		    validate_change (object, loc, to, 1);
+		    return;
+		  }
 
 		if (BYTES_BIG_ENDIAN || WORDS_BIG_ENDIAN)
 		  {
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c72d2def208..225f9280257 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2001-04-04  Jakub Jelinek  <jakub@redhat.com>
+
+	* gcc.c-torture/compile/20010326-1.c: New test.
+
 2001-04-03  Alexandre Oliva  <aoliva@redhat.com>
 
 	* g++.old-deja/g++.ext/instantiate1.C: Adjust to accommodate
diff --git a/gcc/testsuite/gcc.c-torture/compile/20010326-1.c b/gcc/testsuite/gcc.c-torture/compile/20010326-1.c
new file mode 100644
index 00000000000..43acf4588ca
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20010326-1.c
@@ -0,0 +1,16 @@
+float d;
+int e, f;
+
+void foo (void)
+{
+  struct { float u, v; } a = {0.0, 0.0};
+  float b;
+  int c;
+
+  c = e;
+  if (c == 0)
+    c = f;
+  b = d;
+  if (a.v < b)
+    a.v = b;
+}