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2011-07-15 Michael Hope <michael.hope@linaro.org>
gcc/
Backport from mainline:
2011-04-05 Eric Botcazou <ebotcazou@adacore.com>
* ifcvt.c (cond_exec_process_insns): Disallow converting a block
that contains the prologue.
gcc/testsuite/
Backport from mainline:
2011-04-01 Bernd Schmidt <bernds@codesourcery.com>
* gcc.c-torture/compile/20110401-1.c: New test.
=== modified file 'gcc/ifcvt.c'
--- old/gcc/ifcvt.c 2011-05-05 14:28:53 +0000
+++ new/gcc/ifcvt.c 2011-07-11 04:08:33 +0000
@@ -1,5 +1,6 @@
/* If-conversion support.
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010
+ Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010,
+ 2011
Free Software Foundation, Inc.
This file is part of GCC.
@@ -311,6 +312,10 @@
for (insn = start; ; insn = NEXT_INSN (insn))
{
+ /* dwarf2out can't cope with conditional prologues. */
+ if (NOTE_P (insn) && NOTE_KIND (insn) == NOTE_INSN_PROLOGUE_END)
+ return FALSE;
+
if (NOTE_P (insn) || DEBUG_INSN_P (insn))
goto insn_done;
=== added file 'gcc/testsuite/gcc.c-torture/compile/20110401-1.c'
--- old/gcc/testsuite/gcc.c-torture/compile/20110401-1.c 1970-01-01 00:00:00 +0000
+++ new/gcc/testsuite/gcc.c-torture/compile/20110401-1.c 2011-07-11 04:08:33 +0000
@@ -0,0 +1,22 @@
+void asn1_length_der (unsigned long int len, unsigned char *ans, int *ans_len)
+{
+ int k;
+ unsigned char temp[4];
+ if (len < 128) {
+ if (ans != ((void *) 0))
+ ans[0] = (unsigned char) len;
+ *ans_len = 1;
+ } else {
+ k = 0;
+ while (len) {
+ temp[k++] = len & 0xFF;
+ len = len >> 8;
+ }
+ *ans_len = k + 1;
+ if (ans != ((void *) 0)) {
+ ans[0] = ((unsigned char) k & 0x7F) + 128;
+ while (k--)
+ ans[*ans_len - 1 - k] = temp[k];
+ }
+ }
+}
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