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Implement new macro: ASM_FPRINTF_EXTENSIONS 

From-SVN: r28263
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Nick Clifton 1999-07-26 09:25:29 +00:00 committed by Nick Clifton
parent a7a64a77ef
commit fe0503eabf
3 changed files with 34 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
* final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
defined.
* tm.texi: Document ASM_FPRINTF_EXTENSIONS.
Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
* i860.h (EXPAND_BUILTIN_SAVEREGS): New.

14
gcc/final.c
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@ -3826,6 +3826,20 @@ asm_fprintf VPROTO((FILE *file, const char *p, ...))
fputs (user_label_prefix, file);
break;
#ifdef ASM_FPRINTF_EXTENSIONS
/* Upper case letters are reserved for general use by asm_fprintf
and so are not available to target specific code. In order to
prevent the ASM_FPRINTF_EXTENSIONS macro from using them then,
they are defined here. As they get turned into real extensions
to asm_fprintf they should be removed from this list. */
case 'A': case 'B': case 'C': case 'D': case 'E':
case 'F': case 'G': case 'H': case 'J': case 'K':
case 'M': case 'N': case 'P': case 'Q': case 'S':
case 'T': case 'V': case 'W': case 'Y': case 'Z':
break;
ASM_FPRINTF_EXTENSIONS (file, argptr, p)
#endif
default:
abort ();
}

13
gcc/tm.texi
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@ -6230,6 +6230,19 @@ If defined, C string expressions to be used for the @samp{%R}, @samp{%L},
support multiple assembler formats. In that case, the various @file{tm.h}
files can define these macros differently.
@item ASM_FPRINTF_EXTENSIONS(@var{file}, @var{argptr}, @var{format})
@findex ASM_FPRINTF_EXTENSIONS
If defiend this macro should expand to a series of @code{case}
statements which will be parsed inside the @code{switch} statement of
the @code{asm_fprintf} function. This allows targets to define extra
printf formats which may useful when generating their assembler
statements. Noet that upper case letters are reserved for future
generic extensions to asm_fprintf, and so are not available to target
specific code. The output file is given by the parameter @var{file}.
The varargs input pointer is @var{argptr} and the rest of the format
string, starting the character after the one that is being switched
upon, is pointed to by @var{format}.
@findex ASSEMBLER_DIALECT
@item ASSEMBLER_DIALECT
If your target supports multiple dialects of assembler language (such as