[ARC][committed] Code cleanup and improvements.

Code clean up and improvements when changing the cpu from command
line. Also, remove unused/old emulations.

gas/
xxxx-xx-xx  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/tc-arc.c (arc_select_cpu): Re-init the bfd if we change
	the CPU.
	* config/tc-arc.h: Add header if/defs.
	* testsuite/gas/arc/pseudos.d: Improve matching pattern.

ls/
xxxx-xx-xx  Claudiu Zissulescu  <claziss@synopsys.com>

	* Makefile.am: Remove earcelf_prof.c and earclinux_prof.c
	emulations.
	* Makefile.in: Regenerate.
	* configure.tgt: Likewise.
	* emulparams/arcelf_prof.sh: Remove file.
	* emulparams/arclinux_prof.sh: Likewise.

opcodes/
xxxx-xx-xx  Claudiu Zissulescu  <claziss@synopsys.com>

	* arc-opc.c (C_NE): Make it required.

6 files changed, 11 insertions, 65 deletions

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 58f9b8b..0c4a056 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,5 +1,14 @@
 2020-01-13  Claudiu Zissulescu  <claziss@gmail.com>
 
+	* Makefile.am: Remove earcelf_prof.c and earclinux_prof.c
+	emulations.
+	* configure.tgt: Likewise.
+	* Makefile.in: Regenerate.
+	* emulparams/arcelf_prof.sh: Remove file.
+	* emulparams/arclinux_prof.sh: Likewise.
+
+2020-01-13  Claudiu Zissulescu  <claziss@gmail.com>
+
 	* scripttempl/elfarcv2.sc : Allow interrupt vector table to be
 	located at an arbitrary address.  Use DWARF.sc file.
 	* scripttempl/elfarc.sc: Use DWARF.sc file.
diff --git a/ld/Makefile.am b/ld/Makefile.am
index 2c7e337..2ed13eb 100644
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -170,10 +170,8 @@ ALL_EMULATION_SOURCES = \
 	earcv2elf.c \
 	earcv2elfx.c \
 	earcelf.c \
-	earcelf_prof.c \
 	earclinux.c \
 	earclinux_nps.c \
-	earclinux_prof.c \
 	earm_wince_pe.c \
 	earmelf.c \
 	earmelf_fbsd.c \
@@ -660,10 +658,8 @@ $(ALL_EMULATION_SOURCES) $(ALL_64_EMULATION_SOURCES): $(GEN_DEPENDS)
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcv2elf.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcv2elfx.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcelf.Pc@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcelf_prof.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earclinux.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earclinux_nps.Pc@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earclinux_prof.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earm_wince_pe.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earmelf.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earmelf_fbsd.Pc@am__quote@
diff --git a/ld/Makefile.in b/ld/Makefile.in
index e79a8c8..f635845 100644
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -660,10 +660,8 @@ ALL_EMULATION_SOURCES = \
 	earcv2elf.c \
 	earcv2elfx.c \
 	earcelf.c \
-	earcelf_prof.c \
 	earclinux.c \
 	earclinux_nps.c \
-	earclinux_prof.c \
 	earm_wince_pe.c \
 	earmelf.c \
 	earmelf_fbsd.c \
@@ -1215,10 +1213,8 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ealpha.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ealphavms.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcelf.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcelf_prof.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earclinux.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earclinux_nps.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earclinux_prof.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcv2elf.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcv2elfx.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earm_wince_pe.Po@am__quote@
@@ -2266,10 +2262,8 @@ $(ALL_EMULATION_SOURCES) $(ALL_64_EMULATION_SOURCES): $(GEN_DEPENDS)
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcv2elf.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcv2elfx.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcelf.Pc@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcelf_prof.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earclinux.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earclinux_nps.Pc@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earclinux_prof.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earm_wince_pe.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earmelf.Pc@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earmelf_fbsd.Pc@am__quote@
diff --git a/ld/configure.tgt b/ld/configure.tgt
index 18c3ba4..23194e3 100644
--- a/ld/configure.tgt
+++ b/ld/configure.tgt
@@ -105,7 +105,7 @@ alpha*-*-*vms*)		targ_emul=alphavms
 am33_2.0-*-linux*)	targ_emul=elf32am33lin # mn10300 variant
 			;;
 arc*-*-elf*)		targ_emul=arcelf
-			targ_extra_emuls="arcelf_prof arclinux arclinux_nps arclinux_prof arcv2elf arcv2elfx"
+			targ_extra_emuls="arclinux arclinux_nps arcv2elf arcv2elfx"
 			;;
 arc*-*-linux*)		case "${with_cpu}" in
 			nps400)	targ_emul=arclinux_nps
@@ -115,7 +115,7 @@ arc*-*-linux*)		case "${with_cpu}" in
 				targ_extra_emuls=arclinux_nps
 				;;
 			esac
-			targ_extra_emuls="${targ_extra_emuls} arclinux_prof arcelf arcelf_prof arcv2elf arcv2elfx"
+			targ_extra_emuls="${targ_extra_emuls} arcelf arcv2elf arcv2elfx"
 			;;
 arm*-*-cegcc*)		targ_emul=arm_wince_pe
 			targ_extra_ofiles="deffilep.o pe-dll.o"
diff --git a/ld/emulparams/arcelf_prof.sh b/ld/emulparams/arcelf_prof.sh
deleted file mode 100644
index cd01769..0000000
--- a/ld/emulparams/arcelf_prof.sh
+++ /dev/null
@@ -1,26 +0,0 @@
-source_sh ${srcdir}/emulparams/arc-endianness.sh
-SCRIPT_NAME=elfarc
-TEMPLATE_NAME=elf
-if [ "x${ARC_ENDIAN}" = "xbig" ]; then
-  OUTPUT_FORMAT="elf32-bigarc"
-else
-  OUTPUT_FORMAT="elf32-littlearc"
-fi
-LITTLE_OUTPUT_FORMAT="elf32-littlearc"
-BIG_OUTPUT_FORMAT="elf32-bigarc"
-# leave room for vector table, 32 vectors * 8 bytes
-TEXT_START_ADDR=0x100
-MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
-#NONPAGED_TEXT_START_ADDR=0x0
-ARCH=arc
-MACHINE=
-ENTRY=__start
-SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
-OTHER_READONLY_SECTIONS="
-  .__arc_profile_desc ${RELOCATING-0} : { *(.__arc_profile_desc) }
-  .__arc_profile_forward ${RELOCATING-0} : { *(.__arc_profile_forward) }
-"
-OTHER_BSS_SECTIONS="
-  .__arc_profile_counters ${RELOCATING-0} : { *(.__arc_profile_counters) }
-"
-EMBEDDED=yes
diff --git a/ld/emulparams/arclinux_prof.sh b/ld/emulparams/arclinux_prof.sh
deleted file mode 100644
index da5ab40..0000000
--- a/ld/emulparams/arclinux_prof.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-source_sh ${srcdir}/emulparams/arc-endianness.sh
-SCRIPT_NAME=arclinux
-if [ "x${ARC_ENDIAN}" = "xbig" ]; then
-  OUTPUT_FORMAT="elf32-bigarc"
-else
-  OUTPUT_FORMAT="elf32-littlearc"
-fi
-LITTLE_OUTPUT_FORMAT="elf32-littlearc"
-BIG_OUTPUT_FORMAT="elf32-bigarc"
-TEXT_START_ADDR=0x10000
-MAXPAGESIZE=0x2000
-COMMONPAGESIZE=0x2000
-NONPAGED_TEXT_START_ADDR=0x10000
-ARCH=arc
-MACHINE=
-ENTRY=__start
-TEMPLATE_NAME=elf
-EXTRA_EM_FILE=arclinux
-GENERATE_SHLIB_SCRIPT=yes
-SDATA_START_SYMBOLS='__SDATA_BEGIN__ = .;'
-OTHER_READONLY_SECTIONS="
-  .__arc_profile_desc ${RELOCATING-0} : { *(.__arc_profile_desc) }
-  .__arc_profile_forward ${RELOCATING-0} : { *(.__arc_profile_forward) }
-"
-OTHER_BSS_SECTIONS="
-  .__arc_profile_counters ${RELOCATING-0} : { *(.__arc_profile_counters) }
-"