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regclass.c (globalize_reg): Re-instate test that allows fixed registers to be declared as a variable even... 

* regclass.c (globalize_reg): Re-instate test that allows
	fixed registers to be declared as a variable even after functions
	are defined.

	* testsuite/gcc.dg/991209-1.c: New test.

From-SVN: r30853
This commit is contained in:
J"orn Rennecke 1999-12-10 00:57:03 +00:00 committed by Joern Rennecke
parent 309ada50de
commit c07c7c9d25
4 changed files with 21 additions and 3 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
* regclass.c (globalize_reg): Re-instate test that allows
fixed registers to be declared as a variable even after functions
are defined.
Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
* i386.md (cpu attribute): Add "athlon".

6
gcc/regclass.c
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@ -218,7 +218,7 @@ struct reg_info_data {
static struct reg_info_data *reg_info_head;
/* No more global register vairiables may be declared; true once
/* No more global register variables may be declared; true once
regclass has been initialized. */
static int no_global_reg_vars = 0;
@ -630,7 +630,7 @@ void
globalize_reg (i)
int i;
{
if (no_global_reg_vars)
if (fixed_regs[i] == 0 && no_global_reg_vars)
error ("global register variable follows a function definition");
if (global_regs[i])
@ -767,7 +767,7 @@ regclass_init ()
before regclass is run. */
reg_pref = NULL;
/* No more global register vairiables may be declared. */
/* No more global register variables may be declared. */
no_global_reg_vars = 1;
}

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
* gcc.dg/991209-1.c: New test.
Wed Dec 8 23:44:08 1999 Nathan Sidwell <nathan@acm.org>
* gcc.c-torture/compile/991208-1.c: New test.

8
gcc/testsuite/gcc.dg/991209-1.c Normal file
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@ -0,0 +1,8 @@
/* { dg-do compile { target i386-*-* } } */
int foo ()
{
return 1;
}
register char *stack_ptr asm ("%esp");