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move md_end use, and make use of it in cpu back ends. clean up empty, unused

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md_end functions.

i386 changes from Alan Modra for using multi-byte sequences instead of
single nops for code alignment.
This commit is contained in:
Ken Raeburn 1995-11-15 10:56:07 +00:00
parent dfbb1a26dc
commit 46618ae6e7
4 changed files with 41 additions and 6 deletions
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2
gas/.Sanitize
View File

@ -155,7 +155,7 @@ else
fi
fi
rce_files="configure.in as.c configure ChangeLog Makefile.in ChangeLog.1"
rce_files="configure.in configure ChangeLog Makefile.in ChangeLog.1"
if ( echo $* | grep keep\-rce > /dev/null ) ; then
for i in $rce_files ; do

38
gas/ChangeLog
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@ -1,3 +1,41 @@
Wed Nov 15 03:52:00 1995 Ken Raeburn <raeburn@cygnus.com>
* as.c (main): Move md_end call to just after call to
perform_an_assembly_pass. Delete cpu-specific code here.
* config/tc-i960.h (md_end): New macro, calls brtab_emit.
start-sanitize-rce
* config/tc-rce.c (md_end): Deleted.
* config/tc-rce.h (md_end): New macro, calls dump_literals.
end-sanitize-rce
* config/tc-arm.c (md_end): Unused function deleted.
* config/tc-ns32k.c (md_end): Ditto.
* config/tc-i386.c (i386_align_code): New function, moved here
from HANDLE_ALIGN macro.
* config/tc-i386.h (HANDLE_ALIGN): Call it.
Mon Jul 31 14:53:19 1995 Alan Modra <alan@spri.levels.unisa.edu.au>
* config/tc-i386.h (md_do_align): cast fill and 0x90 to char
before comparing
Mon May 1 10:91:49 1995 Alan Modra <alan@spri.levels.unisa.edu.au>
* config/tc-i386.h (md_do_align): Make ".align n,0x90" generate
multi-byte nops to avoid changing gcc. The necessary gcc change
might break old assemblers.
Sat Apr 22 20:53:05 1995 Alan Modra <alan@spri.levels.unisa.edu.au>
* config/tc-i386.h (md_do_align, HANDLE_ALIGN): Add macros to
generate optimal multi-byte nop instructions for ".align n"
".align n,0x90", and aligns requiring more than 15 bytes of
padding still generate multiple 0x90's as before.
Mon Nov 13 17:40:21 1995 Ian Lance Taylor <ian@cygnus.com>
* config/tc-m68k.c (s_mri_until): Call pop_mri_control.
Mon Nov 13 20:39:06 1995 Stan Shebs <shebs@andros.cygnus.com>
* configure.in (ppc-*-macos*, ppc-*-mpw*): New configurations.

5
gas/config/tc-rce.c
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@ -683,11 +683,6 @@ DEFUN (md_undefined_symbol, (name),
return 0;
}
void
DEFUN_VOID (md_end)
{
}
/* Various routines to kill one day */
/* Equal to MAX_PRECISION in atof-ieee.c */
#define MAX_LITTLENUMS 6

2
gas/config/tc-rce.h
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@ -56,4 +56,6 @@
extern const struct relax_type md_relax_table[];
#define TC_GENERIC_RELAX_TABLE md_relax_table
#define md_end() dump_literals(0)
#endif