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Jens Remus aacf780bca s390: Allow to explicitly omit base register operand in assembly
The base register operand B may be omitted in D(B) by coding D and in
D(L,B) by coding D(L). The index register operand X may be omitted in
D(X,B) by coding D(B) or explicitly omitted by coding D(,B). In both
cases the omitted base register operand value defaults to zero.

Allow to explicitly omit the base register operand B in D(X,B) and
D(L,B) by coding D(X,) and D(L,). Default the omitted base register
operand value to zero.

gas/
	* config/tc-s390.c: Allow to explicitly omit the base register
	operand in assembly.
	* NEWS: Mention that the base register now may be omitted on
	s390.
	* gas/testsuite/gas/s390/zarch-base-index-0.s: Update test cases
	for change to allow to explicitly omit the base register
	operand in assembly.
	* gas/testsuite/gas/s390/zarch-base-index-0.d: Likewise.
	* gas/testsuite/gas/s390/zarch-base-index-0-err.s: Likewise.
	* gas/testsuite/gas/s390/zarch-base-index-0-err.l: Likewise.
	* gas/testsuite/gas/s390/zarch-omitted-base-index.s: Likewise.
	* gas/testsuite/gas/s390/zarch-omitted-base-index.d: Likewise.
	* gas/testsuite/gas/s390/zarch-omitted-base-index-err.s:
	Likewise.
	* gas/testsuite/gas/s390/zarch-omitted-base-index-err.l:
	Likewise.

Reviewed-by: Andreas Krebbel <krebbel@linux.ibm.com>
Signed-off-by: Jens Remus <jremus@linux.ibm.com>
2024-03-01 12:45:14 +01:00
bfd Automatic date update in version.in 2024-03-01 00:00:49 +00:00
binutils s390: Print base register 0 as "0" in disassembly 2024-03-01 12:45:14 +01:00
config
contrib
cpu PR21739, Inconsistent diagnostics 2024-02-29 21:07:04 +10:30
elfcpp x86-64: Add R_X86_64_CODE_6_GOTTPOFF 2024-02-08 03:45:43 -08:00
etc
gas s390: Allow to explicitly omit base register operand in assembly 2024-03-01 12:45:14 +01:00
gdb Use DW_FORM_ref_addr for DIE offset in .debug_names 2024-02-29 17:12:58 -07:00
gdbserver gdb/arm: Remove tpidruro register from non-FreeBSD target descriptions 2024-02-29 12:27:27 -03:00
gdbsupport Rewrite final cleanups 2024-02-27 10:30:29 -07:00
gnulib
gold x86-64: Add R_X86_64_CODE_6_GOTTPOFF 2024-02-08 03:45:43 -08:00
gprof
gprofng gprofng: change use of bignum to use of bigint 2024-02-28 16:32:29 -08:00
include s390: Warn when register name type does not match operand 2024-03-01 12:45:14 +01:00
ld PR19871, description of --pie 2024-03-01 09:22:32 +10:30
libbacktrace
libctf
libdecnumber
libiberty
libsframe
opcodes s390: Print base register 0 as "0" in disassembly 2024-03-01 12:45:14 +01:00
readline
sim sim: no rule to make sim/ppc/Makefile.in 2024-02-24 11:52:10 +10:30
texinfo
zlib
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.editorconfig
.gitattributes
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compile
config-ml.in
config.guess
config.rpath
config.sub
configure Fix disabling of year 2038 support on 32-bit hosts by default 2024-02-05 15:28:05 -03:00
configure.ac Fix disabling of year 2038 support on 32-bit hosts by default 2024-02-05 15:28:05 -03:00
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