Hello!
The following patch fixes
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55458
The patch was successfully bootstrapped and tested on x86/x86-64.
Committed as rev. 193871.
2012-11-27 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/55458
* lra-assigns.c: Include rtl-error.h.
(assign_by_spills): Report about asm impossible constraints.
* Makefile.in (lra-assigns.c): Add $(RTL_ERROR_H).
2012-11-27 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/55458
* gcc.target/i386/pr55458.c: New test.
Index: testsuite/gcc.target/i386/pr55458.c
===================================================================
--- testsuite/gcc.target/i386/pr55458.c (revision 0)
+++ testsuite/gcc.target/i386/pr55458.c (working copy)
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target ilp32 } */
Effective target should be ia32 in this case. x32 also matches ilp32,
and since it has plenty of registers, doesn't error-out as expected.
Fixed by attached patch.
2012-11-28 Uros Bizjak <ubizjak@gmail.com>
* gcc.target/i386/pr55458.c: Require ia32 target instead of ilp32.
Tested on x86_64-pc-linux-gnu and committed to mainline SVN.