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varasm.c (decode_reg_name): Revert change to check for zero length strings.

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2004-12-02  Andrew Pinski  <pinskia@physics.uc.edu>

        * varasm.c (decode_reg_name): Revert change to check for zero
        length strings.
        (make_decl_rtl): Make sure that we call decode_reg_name only
        when needed.

From-SVN: r91638
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Andrew Pinski 2004-12-02 14:05:50 +00:00 committed by Andrew Pinski
parent bfe5acd6af
commit 30513cf6f9
2 changed files with 20 additions and 6 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2004-12-02 Andrew Pinski <pinskia@physics.uc.edu>
* varasm.c (decode_reg_name): Revert change to check for zero
length strings.
(make_decl_rtl): Make sure that we call decode_reg_name only
when needed.
2004-12-02 Dorit Naishlos <dorit@il.ibm.com>
PR tree-opt/18716

19
gcc/varasm.c
View File

@ -791,7 +791,7 @@ set_user_assembler_name (tree decl, const char *name)
int
decode_reg_name (const char *asmspec)
{
if (asmspec != 0 && strlen (asmspec) != 0)
if (asmspec != 0)
{
int i;
@ -901,10 +901,10 @@ make_decl_rtl (tree decl)
name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
reg_number = decode_reg_name (name);
if (TREE_CODE (decl) != FUNCTION_DECL && DECL_REGISTER (decl))
{
reg_number = decode_reg_name (name);
/* First detect errors in declaring global registers. */
if (reg_number == -1)
error ("%Jregister name not specified for %qD", decl, decl);
@ -955,12 +955,19 @@ make_decl_rtl (tree decl)
return;
}
}
/* Now handle ordinary static variables and functions (in memory).
Also handle vars declared register invalidly. */
if (name[0] == '*' && (reg_number >= 0 || reg_number == -3))
error ("%Jregister name given for non-register variable %qD", decl, decl);
else if (name[0] == '*')
{
#ifdef REGISTER_PREFIX
if (strlen (REGISTER_PREFIX) != 0)
{
reg_number = decode_reg_name (name)
if (reg_number >= 0 || reg_number == -3)
error ("%Jregister name given for non-register variable %qD", decl, decl);
}
#endif
}
/* Specifying a section attribute on a variable forces it into a
non-.bss section, and thus it cannot be common. */