2009-11-17 Paul Brook <paul@codesourcery.com>

	Daniel Jacobowitz  <dan@codesourcery.com>

	gas/
	* doc/c-arm.texi: Document .arch armv7e-m.
	* config/tc-arm.c (arm_ext_v6_dsp, arm_ext_v7m): New.
	(insns): Put Thumb versions of v5TExP instructions into
	arm_ext_v5exp also.  Move some Thumb variants from
	arm_ext_v6_notm to arm_ext_v6_dsp.
	(arm_archs): Add armv7e-m architecture.
	(aeabi_set_public_attributes): Handle -march=armv7e-m.

	gas/testsuite/
	* gas/arm/attr-march-armv7em.d: New test.
	* gas/arm/arch7em-bad.d: New test.
	* gas/arm/arch7em-bad.l: New test.
	* gas/arm/arch7em.d: New test.
	* gas/arm/arch7em.s: New test.

	include/elf/
	* arm.h (TAG_CPU_ARCH_V7E_M): Define.

	include/opcode/
	* arm.h (ARM_EXT_V6_DSP): Define.
	(ARM_AEXT_V6T2, ARM_AEXT_NOTM): Include ARM_EXT_V6_DSP.
	(ARM_AEXT_V7EM, ARM_ARCH_V7EM): Define.

	binutils/
	* readelf.c (arm_attr_tag_CPU_arch): Add v7E-M.

	bfd/
	* elf32-arm.c (using_thumb_only, arch_has_arm_nop,
	arch_has_thumb2_nop): Handle TAG_CPU_ARCH_V7E_M.
	(tag_cpu_arch_combine): Ditto. Correct MAX_TAG_CPU_ARCH test.

9 files changed, 502 insertions, 13 deletions

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 531b25c..46c0d7f 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,14 @@
+2009-11-17  Paul Brook  <paul@codesourcery.com>
+	Daniel Jacobowitz  <dan@codesourcery.com>
+
+	* doc/c-arm.texi: Document .arch armv7e-m.
+	* config/tc-arm.c (arm_ext_v6_dsp, arm_ext_v7m): New.
+	(insns): Put Thumb versions of v5TExP instructions into
+	arm_ext_v5exp also.  Move some Thumb variants from
+	arm_ext_v6_notm to arm_ext_v6_dsp.
+	(arm_archs): Add armv7e-m architecture.
+	(aeabi_set_public_attributes): Handle -march=armv7e-m.
+
 2009-11-16  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 
 	* config/tc-arm.c (parse_operands): Encode APSR_nzcv as r15.
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 9dbff11..5a7ec00 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -188,12 +188,14 @@ static const arm_feature_set arm_ext_v6k = ARM_FEATURE (ARM_EXT_V6K, 0);
 static const arm_feature_set arm_ext_v6z = ARM_FEATURE (ARM_EXT_V6Z, 0);
 static const arm_feature_set arm_ext_v6t2 = ARM_FEATURE (ARM_EXT_V6T2, 0);
 static const arm_feature_set arm_ext_v6_notm = ARM_FEATURE (ARM_EXT_V6_NOTM, 0);
+static const arm_feature_set arm_ext_v6_dsp = ARM_FEATURE (ARM_EXT_V6_DSP, 0);
 static const arm_feature_set arm_ext_barrier = ARM_FEATURE (ARM_EXT_BARRIER, 0);
 static const arm_feature_set arm_ext_msr = ARM_FEATURE (ARM_EXT_THUMB_MSR, 0);
 static const arm_feature_set arm_ext_div = ARM_FEATURE (ARM_EXT_DIV, 0);
 static const arm_feature_set arm_ext_v7 = ARM_FEATURE (ARM_EXT_V7, 0);
 static const arm_feature_set arm_ext_v7a = ARM_FEATURE (ARM_EXT_V7A, 0);
 static const arm_feature_set arm_ext_v7r = ARM_FEATURE (ARM_EXT_V7R, 0);
+static const arm_feature_set arm_ext_v7m = ARM_FEATURE (ARM_EXT_V7M, 0);
 static const arm_feature_set arm_ext_m =
   ARM_FEATURE (ARM_EXT_V6M | ARM_EXT_V7M, 0);
 
@@ -16468,6 +16470,8 @@ static const struct asm_opcode insns[] =
 
 #undef  ARM_VARIANT
 #define ARM_VARIANT  & arm_ext_v5exp /*  ARM Architecture 5TExP.  */
+#undef THUMB_VARIANT
+#define THUMB_VARIANT &arm_ext_v5exp
 
  TCE("smlabb",	1000080, fb100000, 4, (RRnpc, RRnpc, RRnpc, RRnpc),   smla, t_mla),
  TCE("smlatb",	10000a0, fb100020, 4, (RRnpc, RRnpc, RRnpc, RRnpc),   smla, t_mla),
@@ -16497,6 +16501,8 @@ static const struct asm_opcode insns[] =
 
 #undef  ARM_VARIANT
 #define ARM_VARIANT  & arm_ext_v5e /*  ARM Architecture 5TE.  */
+#undef THUMB_VARIANT
+#define THUMB_VARIANT &arm_ext_v6t2
 
  TUF("pld",	450f000, f810f000, 1, (ADDR),		     pld,  t_pld),
  TC3("ldrd",	00000d0, e8500000, 3, (RRnpc, oRRnpc, ADDRGLDRS), ldrd, t_ldstd),
@@ -16537,10 +16543,25 @@ static const struct asm_opcode insns[] =
  TCE("ssat",	6a00010, f3000000, 4, (RRnpc, I32, RRnpc, oSHllar),ssat,   t_ssat),
  TCE("usat",	6e00010, f3800000, 4, (RRnpc, I31, RRnpc, oSHllar),usat,   t_usat),
 
-/*  ARM V6 not included in V7M (eg. integer SIMD).  */
+/*  ARM V6 not included in V7M.  */
 #undef  THUMB_VARIANT
 #define THUMB_VARIANT  & arm_ext_v6_notm
+ TUF("rfeia",	8900a00, e990c000, 1, (RRw),			   rfe, rfe),
+  UF(rfeib,	9900a00,           1, (RRw),			   rfe),
+  UF(rfeda,	8100a00,           1, (RRw),			   rfe),
+ TUF("rfedb",	9100a00, e810c000, 1, (RRw),			   rfe, rfe),
+ TUF("rfefd",	8900a00, e990c000, 1, (RRw),			   rfe, rfe),
+  UF(rfefa,	9900a00,           1, (RRw),			   rfe),
+  UF(rfeea,	8100a00,           1, (RRw),			   rfe),
+ TUF("rfeed",	9100a00, e810c000, 1, (RRw),			   rfe, rfe),
+ TUF("srsia",	8c00500, e980c000, 2, (oRRw, I31w),		   srs,  srs),
+  UF(srsib,	9c00500,           2, (oRRw, I31w),		   srs),
+  UF(srsda,	8400500,	   2, (oRRw, I31w),		   srs),
+ TUF("srsdb",	9400500, e800c000, 2, (oRRw, I31w),		   srs,  srs),
 
+/*  ARM V6 not included in V7M (eg. integer SIMD).  */
+#undef  THUMB_VARIANT
+#define THUMB_VARIANT  & arm_ext_v6_dsp
  TUF("cps",	1020000, f3af8100, 1, (I31b),			  imm0, t_cps),
  TCE("pkhbt",	6800010, eac00000, 4, (RRnpc, RRnpc, RRnpc, oSHll),   pkhbt, t_pkhbt),
  TCE("pkhtb",	6800050, eac00020, 4, (RRnpc, RRnpc, RRnpc, oSHar),   pkhtb, t_pkhtb),
@@ -16604,14 +16625,6 @@ static const struct asm_opcode insns[] =
  /* Old name for USAX.  */
  TCE("usubaddx",	6500f50, fae0f040, 3, (RRnpc, RRnpc, RRnpc),	   rd_rn_rm, t_simd),
  TCE("usub8",	6500ff0, fac0f040, 3, (RRnpc, RRnpc, RRnpc),	   rd_rn_rm, t_simd),
- TUF("rfeia",	8900a00, e990c000, 1, (RRw),			   rfe, rfe),
-  UF(rfeib,	9900a00,           1, (RRw),			   rfe),
-  UF(rfeda,	8100a00,           1, (RRw),			   rfe),
- TUF("rfedb",	9100a00, e810c000, 1, (RRw),			   rfe, rfe),
- TUF("rfefd",	8900a00, e990c000, 1, (RRw),			   rfe, rfe),
-  UF(rfefa,	9900a00,           1, (RRw),			   rfe),
-  UF(rfeea,	8100a00,           1, (RRw),			   rfe),
- TUF("rfeed",	9100a00, e810c000, 1, (RRw),			   rfe, rfe),
  TCE("sxtah",	6b00070, fa00f080, 4, (RRnpc, RRnpc, RRnpc, oROR), sxtah, t_sxtah),
  TCE("sxtab16",	6800070, fa20f080, 4, (RRnpc, RRnpc, RRnpc, oROR), sxtah, t_sxtah),
  TCE("sxtab",	6a00070, fa40f080, 4, (RRnpc, RRnpc, RRnpc, oROR), sxtah, t_sxtah),
@@ -16639,10 +16652,6 @@ static const struct asm_opcode insns[] =
  TCE("smuadx",	700f030, fb20f010, 3, (RRnpc, RRnpc, RRnpc),	   smul, t_simd),
  TCE("smusd",	700f050, fb40f000, 3, (RRnpc, RRnpc, RRnpc),	   smul, t_simd),
  TCE("smusdx",	700f070, fb40f010, 3, (RRnpc, RRnpc, RRnpc),	   smul, t_simd),
- TUF("srsia",	8c00500, e980c000, 2, (oRRw, I31w),		   srs,  srs),
-  UF(srsib,	9c00500,           2, (oRRw, I31w),		   srs),
-  UF(srsda,	8400500,	   2, (oRRw, I31w),		   srs),
- TUF("srsdb",	9400500, e800c000, 2, (oRRw, I31w),		   srs,  srs),
  TCE("ssat16",	6a00f30, f3200000, 3, (RRnpc, I16, RRnpc),	   ssat16, t_ssat16),
  TCE("umaal",	0400090, fbe00060, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smlal,  t_mlal),
  TCE("usad8",	780f010, fb70f000, 3, (RRnpc, RRnpc, RRnpc),	   smul,   t_simd),
@@ -22034,6 +22043,7 @@ static const struct arm_arch_option_table arm_archs[] =
   {"armv7-a",		ARM_ARCH_V7A,	 FPU_ARCH_VFP},
   {"armv7-r",		ARM_ARCH_V7R,	 FPU_ARCH_VFP},
   {"armv7-m",		ARM_ARCH_V7M,	 FPU_ARCH_VFP},
+  {"armv7e-m",		ARM_ARCH_V7EM,	 FPU_ARCH_VFP},
   {"xscale",		ARM_ARCH_XSCALE, FPU_ARCH_VFP},
   {"iwmmxt",		ARM_ARCH_IWMMXT, FPU_ARCH_VFP},
   {"iwmmxt2",		ARM_ARCH_IWMMXT2,FPU_ARCH_VFP},
@@ -22555,6 +22565,20 @@ aeabi_set_public_attributes (void)
 	}
     }
 
+  /* The table lookup above finds the last architecture to contribute
+     a new feature.  Unfortunately, Tag13 is a subset of the union of
+     v6T2 and v7-M, so it is never seen as contributing a new feature.
+     We can not search for the last entry which is entirely used,
+     because if no CPU is specified we build up only those flags
+     actually used.  Perhaps we should separate out the specified
+     and implicit cases.  Avoid taking this path for -march=all by
+     checking for contradictory v7-A / v7-M features.  */
+  if (arch == 10
+      && !ARM_CPU_HAS_FEATURE (flags, arm_ext_v7a)
+      && ARM_CPU_HAS_FEATURE (flags, arm_ext_v7m)
+      && ARM_CPU_HAS_FEATURE (flags, arm_ext_v6_dsp))
+    arch = 13;
+
   /* Tag_CPU_name.  */
   if (selected_cpu_name[0])
     {
diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi
index eb58a56..671ccc7 100644
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -168,6 +168,7 @@ names are recognized:
 @code{armv7-a},
 @code{armv7-r},
 @code{armv7-m},
+@code{armv7e-m},
 @code{iwmmxt}
 and
 @code{xscale}.
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 452b05e..93d37d1 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,12 @@
+2009-11-17  Paul Brook  <paul@codesourcery.com>
+	Daniel Jacobowitz  <dan@codesourcery.com>
+
+	* gas/arm/attr-march-armv7em.d: New test.
+	* gas/arm/arch7em-bad.d: New test.
+	* gas/arm/arch7em-bad.l: New test.
+	* gas/arm/arch7em.d: New test.
+	* gas/arm/arch7em.s: New test.
+
 2009-11-17  Nick Clifton  <nickc@redhat.com>
 
 	* gas/rx/macros.inc (creg): Remove cpen.
diff --git a/gas/testsuite/gas/arm/arch7em-bad.d b/gas/testsuite/gas/arm/arch7em-bad.d
new file mode 100644
index 0000000..7cd11fc
--- /dev/null
+++ b/gas/testsuite/gas/arm/arch7em-bad.d
@@ -0,0 +1,4 @@
+#name: Valid v7E-M, invalid v7-M
+#as: -march=armv7-m
+#source: arch7em.s
+#error-output: arch7em-bad.l
diff --git a/gas/testsuite/gas/arm/arch7em-bad.l b/gas/testsuite/gas/arm/arch7em-bad.l
new file mode 100644
index 0000000..f3b3c79
--- /dev/null
+++ b/gas/testsuite/gas/arm/arch7em-bad.l
@@ -0,0 +1,132 @@
+[^:]*: Assembler messages:
+[^:]*:8: Error: selected processor does not support `pkhbt r0,r0,r0'
+[^:]*:9: Error: selected processor does not support `pkhbt r9,r0,r0'
+[^:]*:10: Error: selected processor does not support `pkhbt r0,r9,r0'
+[^:]*:11: Error: selected processor does not support `pkhbt r0,r0,r9'
+[^:]*:12: Error: selected processor does not support `pkhbt r0,r0,r0,lsl#0x14'
+[^:]*:13: Error: selected processor does not support `pkhbt r0,r0,r0,lsl#3'
+[^:]*:14: Error: selected processor does not support `pkhtb r1,r2,r3'
+[^:]*:15: Error: selected processor does not support `pkhtb r1,r2,r3,asr#0x11'
+[^:]*:18: Error: selected processor does not support `qadd r1,r2,r3'
+[^:]*:19: Error: selected processor does not support `qadd16 r1,r2,r3'
+[^:]*:20: Error: selected processor does not support `qadd8 r1,r2,r3'
+[^:]*:21: Error: selected processor does not support `qasx r1,r2,r3'
+[^:]*:22: Error: selected processor does not support `qaddsubx r1,r2,r3'
+[^:]*:23: Error: selected processor does not support `qdadd r1,r2,r3'
+[^:]*:24: Error: selected processor does not support `qdsub r1,r2,r3'
+[^:]*:25: Error: selected processor does not support `qsub r1,r2,r3'
+[^:]*:26: Error: selected processor does not support `qsub16 r1,r2,r3'
+[^:]*:27: Error: selected processor does not support `qsub8 r1,r2,r3'
+[^:]*:28: Error: selected processor does not support `qsax r1,r2,r3'
+[^:]*:29: Error: selected processor does not support `qsubaddx r1,r2,r3'
+[^:]*:30: Error: selected processor does not support `sadd16 r1,r2,r3'
+[^:]*:31: Error: selected processor does not support `sadd8 r1,r2,r3'
+[^:]*:32: Error: selected processor does not support `sasx r1,r2,r3'
+[^:]*:33: Error: selected processor does not support `saddsubx r1,r2,r3'
+[^:]*:34: Error: selected processor does not support `ssub16 r1,r2,r3'
+[^:]*:35: Error: selected processor does not support `ssub8 r1,r2,r3'
+[^:]*:36: Error: selected processor does not support `ssax r1,r2,r3'
+[^:]*:37: Error: selected processor does not support `ssubaddx r1,r2,r3'
+[^:]*:38: Error: selected processor does not support `shadd16 r1,r2,r3'
+[^:]*:39: Error: selected processor does not support `shadd8 r1,r2,r3'
+[^:]*:40: Error: selected processor does not support `shasx r1,r2,r3'
+[^:]*:41: Error: selected processor does not support `shaddsubx r1,r2,r3'
+[^:]*:42: Error: selected processor does not support `shsub16 r1,r2,r3'
+[^:]*:43: Error: selected processor does not support `shsub8 r1,r2,r3'
+[^:]*:44: Error: selected processor does not support `shsax r1,r2,r3'
+[^:]*:45: Error: selected processor does not support `shsubaddx r1,r2,r3'
+[^:]*:46: Error: selected processor does not support `uadd16 r1,r2,r3'
+[^:]*:47: Error: selected processor does not support `uadd8 r1,r2,r3'
+[^:]*:48: Error: selected processor does not support `uasx r1,r2,r3'
+[^:]*:49: Error: selected processor does not support `uaddsubx r1,r2,r3'
+[^:]*:50: Error: selected processor does not support `usub16 r1,r2,r3'
+[^:]*:51: Error: selected processor does not support `usub8 r1,r2,r3'
+[^:]*:52: Error: selected processor does not support `usax r1,r2,r3'
+[^:]*:53: Error: selected processor does not support `usubaddx r1,r2,r3'
+[^:]*:54: Error: selected processor does not support `uhadd16 r1,r2,r3'
+[^:]*:55: Error: selected processor does not support `uhadd8 r1,r2,r3'
+[^:]*:56: Error: selected processor does not support `uhasx r1,r2,r3'
+[^:]*:57: Error: selected processor does not support `uhaddsubx r1,r2,r3'
+[^:]*:58: Error: selected processor does not support `uhsub16 r1,r2,r3'
+[^:]*:59: Error: selected processor does not support `uhsub8 r1,r2,r3'
+[^:]*:60: Error: selected processor does not support `uhsax r1,r2,r3'
+[^:]*:61: Error: selected processor does not support `uhsubaddx r1,r2,r3'
+[^:]*:62: Error: selected processor does not support `uqadd16 r1,r2,r3'
+[^:]*:63: Error: selected processor does not support `uqadd8 r1,r2,r3'
+[^:]*:64: Error: selected processor does not support `uqasx r1,r2,r3'
+[^:]*:65: Error: selected processor does not support `uqaddsubx r1,r2,r3'
+[^:]*:66: Error: selected processor does not support `uqsub16 r1,r2,r3'
+[^:]*:67: Error: selected processor does not support `uqsub8 r1,r2,r3'
+[^:]*:68: Error: selected processor does not support `uqsax r1,r2,r3'
+[^:]*:69: Error: selected processor does not support `uqsubaddx r1,r2,r3'
+[^:]*:70: Error: selected processor does not support `sel r1,r2,r3'
+[^:]*:73: Error: selected processor does not support `smlabb r0,r0,r0,r0'
+[^:]*:74: Error: selected processor does not support `smlabb r9,r0,r0,r0'
+[^:]*:75: Error: selected processor does not support `smlabb r0,r9,r0,r0'
+[^:]*:76: Error: selected processor does not support `smlabb r0,r0,r9,r0'
+[^:]*:77: Error: selected processor does not support `smlabb r0,r0,r0,r9'
+[^:]*:79: Error: selected processor does not support `smlatb r0,r0,r0,r0'
+[^:]*:80: Error: selected processor does not support `smlabt r0,r0,r0,r0'
+[^:]*:81: Error: selected processor does not support `smlatt r0,r0,r0,r0'
+[^:]*:82: Error: selected processor does not support `smlawb r0,r0,r0,r0'
+[^:]*:83: Error: selected processor does not support `smlawt r0,r0,r0,r0'
+[^:]*:84: Error: selected processor does not support `smlad r0,r0,r0,r0'
+[^:]*:85: Error: selected processor does not support `smladx r0,r0,r0,r0'
+[^:]*:86: Error: selected processor does not support `smlsd r0,r0,r0,r0'
+[^:]*:87: Error: selected processor does not support `smlsdx r0,r0,r0,r0'
+[^:]*:88: Error: selected processor does not support `smmla r0,r0,r0,r0'
+[^:]*:89: Error: selected processor does not support `smmlar r0,r0,r0,r0'
+[^:]*:90: Error: selected processor does not support `smmls r0,r0,r0,r0'
+[^:]*:91: Error: selected processor does not support `smmlsr r0,r0,r0,r0'
+[^:]*:92: Error: selected processor does not support `usada8 r0,r0,r0,r0'
+[^:]*:95: Error: selected processor does not support `smlalbb r0,r0,r0,r0'
+[^:]*:96: Error: selected processor does not support `smlalbb r9,r0,r0,r0'
+[^:]*:97: Error: selected processor does not support `smlalbb r0,r9,r0,r0'
+[^:]*:98: Error: selected processor does not support `smlalbb r0,r0,r9,r0'
+[^:]*:99: Error: selected processor does not support `smlalbb r0,r0,r0,r9'
+[^:]*:101: Error: selected processor does not support `smlaltb r0,r0,r0,r0'
+[^:]*:102: Error: selected processor does not support `smlalbt r0,r0,r0,r0'
+[^:]*:103: Error: selected processor does not support `smlaltt r0,r0,r0,r0'
+[^:]*:104: Error: selected processor does not support `smlald r0,r0,r0,r0'
+[^:]*:105: Error: selected processor does not support `smlaldx r0,r0,r0,r0'
+[^:]*:106: Error: selected processor does not support `smlsld r0,r0,r0,r0'
+[^:]*:107: Error: selected processor does not support `smlsldx r0,r0,r0,r0'
+[^:]*:108: Error: selected processor does not support `umaal r0,r0,r0,r0'
+[^:]*:111: Error: selected processor does not support `smulbb r0,r0,r0'
+[^:]*:112: Error: selected processor does not support `smulbb r9,r0,r0'
+[^:]*:113: Error: selected processor does not support `smulbb r0,r9,r0'
+[^:]*:114: Error: selected processor does not support `smulbb r0,r0,r9'
+[^:]*:116: Error: selected processor does not support `smultb r0,r0,r0'
+[^:]*:117: Error: selected processor does not support `smulbt r0,r0,r0'
+[^:]*:118: Error: selected processor does not support `smultt r0,r0,r0'
+[^:]*:119: Error: selected processor does not support `smulwb r0,r0,r0'
+[^:]*:120: Error: selected processor does not support `smulwt r0,r0,r0'
+[^:]*:121: Error: selected processor does not support `smmul r0,r0,r0'
+[^:]*:122: Error: selected processor does not support `smmulr r0,r0,r0'
+[^:]*:123: Error: selected processor does not support `smuad r0,r0,r0'
+[^:]*:124: Error: selected processor does not support `smuadx r0,r0,r0'
+[^:]*:125: Error: selected processor does not support `smusd r0,r0,r0'
+[^:]*:126: Error: selected processor does not support `smusdx r0,r0,r0'
+[^:]*:127: Error: selected processor does not support `usad8 r0,r0,r0'
+[^:]*:130: Error: selected processor does not support `ssat16 r0,#1,r0'
+[^:]*:131: Error: selected processor does not support `ssat16 r9,#1,r0'
+[^:]*:132: Error: selected processor does not support `ssat16 r0,#10,r0'
+[^:]*:133: Error: selected processor does not support `ssat16 r0,#1,r9'
+[^:]*:135: Error: selected processor does not support `usat16 r0,#0,r0'
+[^:]*:136: Error: selected processor does not support `usat16 r9,#0,r0'
+[^:]*:137: Error: selected processor does not support `usat16 r0,#9,r0'
+[^:]*:138: Error: selected processor does not support `usat16 r0,#0,r9'
+[^:]*:141: Error: selected processor does not support `sxtb16 r1,r2'
+[^:]*:142: Error: selected processor does not support `sxtb16 r8,r9'
+[^:]*:143: Error: selected processor does not support `uxtb16 r1,r2'
+[^:]*:144: Error: selected processor does not support `uxtb16 r8,r9'
+[^:]*:147: Error: selected processor does not support `sxtab r0,r0,r0'
+[^:]*:148: Error: selected processor does not support `sxtab r0,r0,r0,ror#0'
+[^:]*:149: Error: selected processor does not support `sxtab r9,r0,r0,ror#8'
+[^:]*:150: Error: selected processor does not support `sxtab r0,r9,r0,ror#16'
+[^:]*:151: Error: selected processor does not support `sxtab r0,r0,r9,ror#24'
+[^:]*:153: Error: selected processor does not support `sxtab16 r1,r2,r3'
+[^:]*:154: Error: selected processor does not support `sxtah r1,r2,r3'
+[^:]*:155: Error: selected processor does not support `uxtab r1,r2,r3'
+[^:]*:156: Error: selected processor does not support `uxtab16 r1,r2,r3'
+[^:]*:157: Error: selected processor does not support `uxtah r1,r2,r3'
diff --git a/gas/testsuite/gas/arm/arch7em.d b/gas/testsuite/gas/arm/arch7em.d
new file mode 100644
index 0000000..5aa5607
--- /dev/null
+++ b/gas/testsuite/gas/arm/arch7em.d
@@ -0,0 +1,138 @@
+# name: 32-bit Thumb DSP instructions
+# as: -march=armv7e-m
+# objdump: -dr --prefix-addresses --show-raw-insn
+
+.*: +file format .*arm.*
+
+Disassembly of section .text:
+0[0-9a-f]+ <[^>]+> eac0 0000 	pkhbt	r0, r0, r0
+0[0-9a-f]+ <[^>]+> eac0 0900 	pkhbt	r9, r0, r0
+0[0-9a-f]+ <[^>]+> eac9 0000 	pkhbt	r0, r9, r0
+0[0-9a-f]+ <[^>]+> eac0 0009 	pkhbt	r0, r0, r9
+0[0-9a-f]+ <[^>]+> eac0 5000 	pkhbt	r0, r0, r0, lsl #20
+0[0-9a-f]+ <[^>]+> eac0 00c0 	pkhbt	r0, r0, r0, lsl #3
+0[0-9a-f]+ <[^>]+> eac3 0102 	pkhbt	r1, r3, r2
+0[0-9a-f]+ <[^>]+> eac2 4163 	pkhtb	r1, r2, r3, asr #17
+0[0-9a-f]+ <[^>]+> fa82 f183 	qadd	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa92 f113 	qadd16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa82 f113 	qadd8	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f113 	qaddsubx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f113 	qaddsubx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa82 f193 	qdadd	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa82 f1b3 	qdsub	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa82 f1a3 	qsub	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fad2 f113 	qsub16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fac2 f113 	qsub8	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f113 	qsubaddx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f113 	qsubaddx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa92 f103 	sadd16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa82 f103 	sadd8	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f103 	saddsubx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f103 	saddsubx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fad2 f103 	ssub16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fac2 f103 	ssub8	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f103 	ssubaddx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f103 	ssubaddx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa92 f123 	shadd16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa82 f123 	shadd8	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f123 	shaddsubx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f123 	shaddsubx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fad2 f123 	shsub16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fac2 f123 	shsub8	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f123 	shsubaddx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f123 	shsubaddx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa92 f143 	uadd16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa82 f143 	uadd8	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f143 	uaddsubx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f143 	uaddsubx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fad2 f143 	usub16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fac2 f143 	usub8	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f143 	usubaddx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f143 	usubaddx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa92 f163 	uhadd16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa82 f163 	uhadd8	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f163 	uhaddsubx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f163 	uhaddsubx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fad2 f163 	uhsub16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fac2 f163 	uhsub8	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f163 	uhsubaddx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f163 	uhsubaddx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa92 f153 	uqadd16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa82 f153 	uqadd8	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f153 	uqaddsubx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f153 	uqaddsubx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fad2 f153 	uqsub16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fac2 f153 	uqsub8	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f153 	uqsubaddx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f153 	uqsubaddx	r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f183 	sel	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fb10 0000 	smlabb	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb10 0900 	smlabb	r9, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb19 0000 	smlabb	r0, r9, r0, r0
+0[0-9a-f]+ <[^>]+> fb10 0009 	smlabb	r0, r0, r9, r0
+0[0-9a-f]+ <[^>]+> fb10 9000 	smlabb	r0, r0, r0, r9
+0[0-9a-f]+ <[^>]+> fb10 0020 	smlatb	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb10 0010 	smlabt	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb10 0030 	smlatt	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb30 0000 	smlawb	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb30 0010 	smlawt	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb20 0000 	smlad	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb20 0010 	smladx	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb40 0000 	smlsd	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb40 0010 	smlsdx	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb50 0000 	smmla	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb50 0010 	smmlar	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb60 0000 	smmls	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb60 0010 	smmlsr	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb70 0000 	usada8	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fbc0 0080 	smlalbb	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fbc0 9080 	smlalbb	r9, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fbc0 0980 	smlalbb	r0, r9, r0, r0
+0[0-9a-f]+ <[^>]+> fbc9 0080 	smlalbb	r0, r0, r9, r0
+0[0-9a-f]+ <[^>]+> fbc0 0089 	smlalbb	r0, r0, r0, r9
+0[0-9a-f]+ <[^>]+> fbc0 00a0 	smlaltb	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fbc0 0090 	smlalbt	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fbc0 00b0 	smlaltt	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fbc0 00c0 	smlald	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fbc0 00d0 	smlaldx	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fbd0 00c0 	smlsld	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fbd0 00d0 	smlsldx	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fbe0 0060 	umaal	r0, r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb10 f000 	smulbb	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb10 f900 	smulbb	r9, r0, r0
+0[0-9a-f]+ <[^>]+> fb19 f000 	smulbb	r0, r9, r0
+0[0-9a-f]+ <[^>]+> fb10 f009 	smulbb	r0, r0, r9
+0[0-9a-f]+ <[^>]+> fb10 f020 	smultb	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb10 f010 	smulbt	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb10 f030 	smultt	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb30 f000 	smulwb	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb30 f010 	smulwt	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb50 f000 	smmul	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb50 f010 	smmulr	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb20 f000 	smuad	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb20 f010 	smuadx	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb40 f000 	smusd	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb40 f010 	smusdx	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fb70 f000 	usad8	r0, r0, r0
+0[0-9a-f]+ <[^>]+> f320 0000 	ssat16	r0, #0, r0
+0[0-9a-f]+ <[^>]+> f320 0900 	ssat16	r9, #0, r0
+0[0-9a-f]+ <[^>]+> f320 0009 	ssat16	r0, #9, r0
+0[0-9a-f]+ <[^>]+> f329 0000 	ssat16	r0, #0, r9
+0[0-9a-f]+ <[^>]+> f3a0 0000 	usat16	r0, #0, r0
+0[0-9a-f]+ <[^>]+> f3a0 0900 	usat16	r9, #0, r0
+0[0-9a-f]+ <[^>]+> f3a0 0009 	usat16	r0, #9, r0
+0[0-9a-f]+ <[^>]+> f3a9 0000 	usat16	r0, #0, r9
+0[0-9a-f]+ <[^>]+> fa2f f182 	sxtb16	r1, r2
+0[0-9a-f]+ <[^>]+> fa2f f889 	sxtb16	r8, r9
+0[0-9a-f]+ <[^>]+> fa3f f182 	uxtb16	r1, r2
+0[0-9a-f]+ <[^>]+> fa3f f889 	uxtb16	r8, r9
+0[0-9a-f]+ <[^>]+> fa40 f080 	sxtab	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fa40 f080 	sxtab	r0, r0, r0
+0[0-9a-f]+ <[^>]+> fa40 f990 	sxtab	r9, r0, r0, ror #8
+0[0-9a-f]+ <[^>]+> fa49 f0a0 	sxtab	r0, r9, r0, ror #16
+0[0-9a-f]+ <[^>]+> fa40 f0b9 	sxtab	r0, r0, r9, ror #24
+0[0-9a-f]+ <[^>]+> fa22 f183 	sxtab16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa02 f183 	sxtah	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa52 f183 	uxtab	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa32 f183 	uxtab16	r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa12 f183 	uxtah	r1, r2, r3
diff --git a/gas/testsuite/gas/arm/arch7em.s b/gas/testsuite/gas/arm/arch7em.s
new file mode 100644
index 0000000..7a3e4ab
--- /dev/null
+++ b/gas/testsuite/gas/arm/arch7em.s
@@ -0,0 +1,157 @@
+# Instructions included in v7E-M architecture over v7-M.
+
+	.text
+	.thumb
+	.syntax unified
+
+pkh:
+	pkhbt	r0, r0, r0
+	pkhbt	r9, r0, r0
+	pkhbt	r0, r9, r0
+	pkhbt	r0, r0, r9
+	pkhbt	r0, r0, r0, lsl #0x14
+	pkhbt	r0, r0, r0, lsl #3
+	pkhtb	r1, r2, r3
+	pkhtb	r1, r2, r3, asr #0x11
+
+qadd:
+	qadd		r1, r2, r3
+	qadd16		r1, r2, r3
+	qadd8		r1, r2, r3
+	qasx		r1, r2, r3
+	qaddsubx	r1, r2, r3
+	qdadd		r1, r2, r3
+	qdsub		r1, r2, r3
+	qsub		r1, r2, r3
+	qsub16		r1, r2, r3
+	qsub8		r1, r2, r3
+	qsax		r1, r2, r3
+	qsubaddx	r1, r2, r3
+	sadd16		r1, r2, r3
+	sadd8		r1, r2, r3
+	sasx		r1, r2, r3
+	saddsubx	r1, r2, r3
+	ssub16		r1, r2, r3
+	ssub8		r1, r2, r3
+	ssax		r1, r2, r3
+	ssubaddx	r1, r2, r3
+	shadd16		r1, r2, r3
+	shadd8		r1, r2, r3
+	shasx		r1, r2, r3
+	shaddsubx	r1, r2, r3
+	shsub16		r1, r2, r3
+	shsub8		r1, r2, r3
+	shsax		r1, r2, r3
+	shsubaddx	r1, r2, r3
+	uadd16		r1, r2, r3
+	uadd8		r1, r2, r3
+	uasx		r1, r2, r3
+	uaddsubx	r1, r2, r3
+	usub16		r1, r2, r3
+	usub8		r1, r2, r3
+	usax		r1, r2, r3
+	usubaddx	r1, r2, r3
+	uhadd16		r1, r2, r3
+	uhadd8		r1, r2, r3
+	uhasx		r1, r2, r3
+	uhaddsubx	r1, r2, r3
+	uhsub16		r1, r2, r3
+	uhsub8		r1, r2, r3
+	uhsax		r1, r2, r3
+	uhsubaddx	r1, r2, r3
+	uqadd16		r1, r2, r3
+	uqadd8		r1, r2, r3
+	uqasx		r1, r2, r3
+	uqaddsubx	r1, r2, r3
+	uqsub16		r1, r2, r3
+	uqsub8		r1, r2, r3
+	uqsax		r1, r2, r3
+	uqsubaddx	r1, r2, r3
+	sel		r1, r2, r3
+
+smla:
+	smlabb	r0, r0, r0, r0
+	smlabb	r9, r0, r0, r0
+	smlabb	r0, r9, r0, r0
+	smlabb	r0, r0, r9, r0
+	smlabb	r0, r0, r0, r9
+
+	smlatb	r0, r0, r0, r0
+	smlabt	r0, r0, r0, r0
+	smlatt	r0, r0, r0, r0
+	smlawb	r0, r0, r0, r0
+	smlawt	r0, r0, r0, r0
+	smlad	r0, r0, r0, r0
+	smladx	r0, r0, r0, r0
+	smlsd	r0, r0, r0, r0
+	smlsdx	r0, r0, r0, r0
+	smmla	r0, r0, r0, r0
+	smmlar	r0, r0, r0, r0
+	smmls	r0, r0, r0, r0
+	smmlsr	r0, r0, r0, r0
+	usada8	r0, r0, r0, r0
+
+smlal:
+	smlalbb	r0, r0, r0, r0
+	smlalbb	r9, r0, r0, r0
+	smlalbb	r0, r9, r0, r0
+	smlalbb	r0, r0, r9, r0
+	smlalbb	r0, r0, r0, r9
+
+	smlaltb	r0, r0, r0, r0
+	smlalbt	r0, r0, r0, r0
+	smlaltt	r0, r0, r0, r0
+	smlald	r0, r0, r0, r0
+	smlaldx	r0, r0, r0, r0
+	smlsld	r0, r0, r0, r0
+	smlsldx	r0, r0, r0, r0
+	umaal	r0, r0, r0, r0
+
+smul:
+	smulbb	r0, r0, r0
+	smulbb	r9, r0, r0
+	smulbb	r0, r9, r0
+	smulbb	r0, r0, r9
+
+	smultb	r0, r0, r0
+	smulbt	r0, r0, r0
+	smultt	r0, r0, r0
+	smulwb	r0, r0, r0
+	smulwt	r0, r0, r0
+	smmul	r0, r0, r0
+	smmulr	r0, r0, r0
+	smuad	r0, r0, r0
+	smuadx	r0, r0, r0
+	smusd	r0, r0, r0
+	smusdx	r0, r0, r0
+	usad8	r0, r0, r0
+
+sat:
+	ssat16	r0, #1, r0
+	ssat16	r9, #1, r0
+	ssat16	r0, #10, r0
+	ssat16	r0, #1, r9
+
+	usat16	r0, #0, r0
+	usat16	r9, #0, r0
+	usat16	r0, #9, r0
+	usat16	r0, #0, r9
+
+xt:
+	sxtb16	r1, r2
+	sxtb16	r8, r9
+	uxtb16	r1, r2
+	uxtb16	r8, r9
+
+xta:
+	sxtab	r0, r0, r0
+	sxtab	r0, r0, r0, ror #0
+	sxtab	r9, r0, r0, ror #8
+	sxtab	r0, r9, r0, ror #16
+	sxtab	r0, r0, r9, ror #24
+
+	sxtab16	r1, r2, r3
+	sxtah	r1, r2, r3
+	uxtab	r1, r2, r3
+	uxtab16	r1, r2, r3
+	uxtah	r1, r2, r3
diff --git a/gas/testsuite/gas/arm/attr-march-armv7em.d b/gas/testsuite/gas/arm/attr-march-armv7em.d
new file mode 100644
index 0000000..5c10c50
--- /dev/null
+++ b/gas/testsuite/gas/arm/attr-march-armv7em.d
@@ -0,0 +1,13 @@
+# name: attributes for -march=armv7e-m
+# source: blank.s
+# as: -march=armv7e-m
+# readelf: -A
+# This test is only valid on EABI based ports.
+# target: *-*-*eabi
+
+Attribute Section: aeabi
+File Attributes
+  Tag_CPU_name: "7E-M"
+  Tag_CPU_arch: v7E-M
+  Tag_CPU_arch_profile: Microcontroller
+  Tag_THUMB_ISA_use: Thumb-2