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re PR target/45296 (register long double ICE at -O2, -Os, -O3)

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PR target/45296
	* reginfo.c (globalize_reg): Reject stack registers.

testsuite/ChangeLog:

	PR target/45296
	* gcc.target/i386/pr45296.c: New test.

From-SVN: r163303
This commit is contained in:
Uros Bizjak 2010-08-17 14:25:24 +02:00
parent fd4a760e5e
commit 2c65142a27
4 changed files with 24 additions and 3 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,8 @@
2010-08-17 Uros Bizjak <ubizjak@gmail.com>
PR target/45296
* reginfo.c (globalize_reg): Reject stack registers.
2010-08-17 Richard Guenther <rguenther@suse.de>
* tree-ssa-dom.c (struct edge_info): Use a VEC for the
@ -24,7 +29,7 @@
* c-decl.c (diagnose_uninitialized_cst_member): New function.
(finish_decl): Use it to issue a -Wc++-compat warning about
uninitialized const field in struct or union.
(finish_struct): Use strip_array_types.
2010-08-17 Jakub Jelinek <jakub@redhat.com>
@ -112,8 +117,7 @@
(decode_options): Update call to decode_cmdline_options_to_array.
(print_filtered_help): Ignore driver-only options.
(print_specific_help): Ignore CL_DRIVER.
(common_handle_option): Don't call print_specific_help for
CL_DRIVER.
(common_handle_option): Don't call print_specific_help for CL_DRIVER.
* opts.h (CL_DRIVER, CL_REJECT_DRIVER): Define.
(CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_TARGET, CL_COMMON):
Update values.

8
gcc/reginfo.c
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@ -798,6 +798,14 @@ fix_register (const char *name, int fixed, int call_used)
void
globalize_reg (int i)
{
#ifdef STACK_REGS
if (IN_RANGE (i, FIRST_STACK_REG, LAST_STACK_REG))
{
error ("stack register used for global register variable");
return;
}
#endif
if (fixed_regs[i] == 0 && no_global_reg_vars)
error ("global register variable follows a function definition");

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2010-08-17 Uros Bizjak <ubizjak@gmail.com>
PR target/45296
* gcc.target/i386/pr45296.c: New test.
2010-08-17 Kai Tietz <kai.tietz@onevision.com>
* g++.dg/ext/uow-1.C: New.

4
gcc/testsuite/gcc.target/i386/pr45296.c Normal file
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@ -0,0 +1,4 @@
/* { dg-do compile } */
/* { dg-options "" } */
register long double F80 asm("st"); /* { dg-error "stack register" } */