+2016-05-10 Thomas Preud'homme <thomas.preudhomme@arm.com>
+
+ (elf32_arm_merge_eabi_attributes): Add merging logic for
+ Tag_DSP_extension.
+
2016-05-10 Pip Cet <pipcet@gmail.com>
PR ld/20059
}
}
break;
+
+ case Tag_DSP_extension:
+ /* No need to change output value if any of:
+ - pre (<=) ARMv5T input architecture (do not have DSP)
+ - M input profile not ARMv7E-M and do not have DSP. */
+ if (in_attr[Tag_CPU_arch].i <= 3
+ || (in_attr[Tag_CPU_arch_profile].i == 'M'
+ && in_attr[Tag_CPU_arch].i != 13
+ && in_attr[i].i == 0))
+ ; /* Do nothing. */
+ /* Output value should be 0 if DSP part of architecture, ie.
+ - post (>=) ARMv5te architecture output
+ - A, R or S profile output or ARMv7E-M output architecture. */
+ else if (out_attr[Tag_CPU_arch].i >= 4
+ && (out_attr[Tag_CPU_arch_profile].i == 'A'
+ || out_attr[Tag_CPU_arch_profile].i == 'R'
+ || out_attr[Tag_CPU_arch_profile].i == 'S'
+ || out_attr[Tag_CPU_arch].i == 13))
+ out_attr[i].i = 0;
+ /* Otherwise, DSP instructions are added and not part of output
+ architecture. */
+ else
+ out_attr[i].i = 1;
+ break;
+
case Tag_FP_arch:
{
/* Tag_ABI_HardFP_use is handled along with Tag_FP_arch since
+2016-05-10 Thomas Preud'homme <thomas.preudhomme@arm.com>
+
+ * readelf.c (display_arm_attribute): Add output for Tag_DSP_extension.
+ (arm_attr_public_tags): Define DSP_extension attribute.
+
2016-05-10 Andrew Burgess <andrew.burgess@embecosm.com>
* doc/binutils.texi (nm): Update description of --size-sort.
{"Not Allowed", "Allowed"};
static const char * arm_attr_tag_ABI_FP_16bit_format[] =
{"None", "IEEE 754", "Alternative Format"};
+static const char * arm_attr_tag_DSP_extension[] =
+ {"Follow architecture", "Allowed"};
static const char * arm_attr_tag_MPextension_use[] =
{"Not Allowed", "Allowed"};
static const char * arm_attr_tag_DIV_use[] =
LOOKUP(38, ABI_FP_16bit_format),
LOOKUP(42, MPextension_use),
LOOKUP(44, DIV_use),
+ LOOKUP(46, DSP_extension),
{64, "nodefaults", 0, NULL},
{65, "also_compatible_with", 0, NULL},
LOOKUP(66, T2EE_use),
+2016-05-10 Thomas Preud'homme <thomas.preudhomme@arm.com>
+
+ * NEWS: Document ARMv8-M and ARMv8-M Security and DSP Extensions.
+ * config/tc-arm.c (arm_ext_dsp): New feature for Thumb DSP
+ instructions.
+ (arm_extensions): Add dsp extension for ARMv8-M Mainline.
+ (aeabi_set_public_attributes): Memorize the feature bits of the
+ architecture selected for Tag_CPU_arch. Use it to set
+ Tag_DSP_extension to 1 for ARMv8-M Mainline with DSP extension.
+ (arm_convert_symbolic_attribute): Define Tag_DSP_extension.
+ * testsuite/gas/arm/arch7em-bad.d: Rename to ...
+ * testsuite/gas/arm/arch7em-bad-1.d: This.
+ * testsuite/gas/arm/arch7em-bad-2.d: New file.
+ * testsuite/gas/arm/arch7em-bad-3.d: Likewise.
+ * testsuite/gas/arm/archv8m-main-dsp-1.d: Likewise.
+ * testsuite/gas/arm/archv8m-main-dsp-2.d: Likewise.
+ * testsuite/gas/arm/archv8m-main-dsp-3.d: Likewise.
+ * testsuite/gas/arm/archv8m-main-dsp-4.d: Likewise.
+ * testsuite/gas/arm/archv8m-main-dsp-5.d: Likewise.
+ * testsuite/gas/arm/attr-march-armv8m.main.dsp.d: Likewise.
+
2016-05-10 Thomas Preud'homme <thomas.preudhomme@arm.com>
* config/tc-arm.c (struct arm_option_extension_value_table): Make
-*- text -*-
+* Support for the ARMv8-M architecture has been added to the ARM port. Support
+ for the ARMv8-M Security and DSP Extensions has also been added to the ARM
+ port.
+
* ARC backend accepts .extInstruction, .extCondCode, .extAuxRegister, and
.extCoreRegister pseudo-ops that allow an user to define custom
instructions, conditional codes, auxiliary and core registers.
/* Instructions shared between ARMv8-A and ARMv8-M. */
static const arm_feature_set arm_ext_atomics =
ARM_FEATURE_CORE_HIGH (ARM_EXT2_ATOMICS);
+/* DSP instructions Tag_DSP_extension refers to. */
+static const arm_feature_set arm_ext_dsp =
+ ARM_FEATURE_CORE_LOW (ARM_EXT_V5E | ARM_EXT_V5ExP | ARM_EXT_V6_DSP);
static const arm_feature_set arm_ext_v8_2 =
ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_2A);
/* FP16 instructions. */
ARM_EXT_OPT ("crypto", FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8),
ARM_FEATURE_CORE_LOW (ARM_EXT_V8)),
+ ARM_EXT_OPT ("dsp", ARM_FEATURE_CORE_LOW (ARM_EXT_V5ExP | ARM_EXT_V6_DSP),
+ ARM_FEATURE_CORE_LOW (ARM_EXT_V5ExP | ARM_EXT_V6_DSP),
+ ARM_FEATURE_CORE (ARM_EXT_V7M, ARM_EXT2_V8M)),
ARM_EXT_OPT ("fp", FPU_ARCH_VFP_ARMV8, ARM_FEATURE_COPROC (FPU_VFP_ARMV8),
ARM_FEATURE_CORE_LOW (ARM_EXT_V8)),
ARM_EXT_OPT ("fp16", ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST),
char profile;
int virt_sec = 0;
int fp16_optional = 0;
+ arm_feature_set arm_arch = ARM_ARCH_NONE;
arm_feature_set flags;
arm_feature_set tmp;
arm_feature_set arm_arch_v8m_base = ARM_ARCH_V8M_BASE;
if (ARM_CPU_HAS_FEATURE (tmp, p->flags))
{
arch = p->val;
+ arm_arch = p->flags;
ARM_CLEAR_FEATURE (tmp, tmp, p->flags);
}
}
&& !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 = TAG_CPU_ARCH_V7E_M;
+ {
+ arch = TAG_CPU_ARCH_V7E_M;
+ arm_arch = (arm_feature_set) ARM_ARCH_V7EM;
+ }
ARM_CLEAR_FEATURE (tmp, flags, arm_arch_v8m_base);
if (arch == TAG_CPU_ARCH_V8M_BASE && ARM_CPU_HAS_FEATURE (tmp, arm_arch_any))
- arch = TAG_CPU_ARCH_V8M_MAIN;
+ {
+ arch = TAG_CPU_ARCH_V8M_MAIN;
+ arm_arch = (arm_feature_set) ARM_ARCH_V8M_MAIN;
+ }
/* In cpu_arch_ver ARMv8-A is before ARMv8-M for atomics to be detected as
coming from ARMv8-A. However, since ARMv8-A has more instructions than
ARMv8-M, -march=all must be detected as ARMv8-A. */
if (arch == TAG_CPU_ARCH_V8M_MAIN
&& ARM_FEATURE_CORE_EQUAL (selected_cpu, arm_arch_any))
- arch = TAG_CPU_ARCH_V8;
+ {
+ arch = TAG_CPU_ARCH_V8;
+ arm_arch = (arm_feature_set) ARM_ARCH_V8A;
+ }
/* Tag_CPU_name. */
if (selected_cpu_name[0])
if (profile != '\0')
aeabi_set_attribute_int (Tag_CPU_arch_profile, profile);
+ /* Tag_DSP_extension. */
+ if (ARM_CPU_HAS_FEATURE (flags, arm_ext_dsp))
+ {
+ arm_feature_set ext;
+
+ /* DSP instructions not in architecture. */
+ ARM_CLEAR_FEATURE (ext, flags, arm_arch);
+ if (ARM_CPU_HAS_FEATURE (ext, arm_ext_dsp))
+ aeabi_set_attribute_int (Tag_DSP_extension, 1);
+ }
+
/* Tag_ARM_ISA_use. */
if (ARM_CPU_HAS_FEATURE (flags, arm_ext_v1)
|| arch == 0)
T (Tag_conformance),
T (Tag_T2EE_use),
T (Tag_Virtualization_use),
+ T (Tag_DSP_extension),
/* We deliberately do not include Tag_MPextension_use_legacy. */
#undef T
};
--- /dev/null
+#name: Valid v7E-M, invalid v7-M
+#as: -march=armv7-m
+#source: arch7em.s
+#error-output: arch7em-bad.l
--- /dev/null
+#name: Valid v8-M Mainline with DSP extension, invalid v8-M Baseline
+#as: -march=armv8-m.base
+#source: arch7em.s
+#error-output: arch7em-bad.l
--- /dev/null
+#name: Valid v8-M Mainline with DSP extension, invalid v8-M Mainline
+#as: -march=armv8-m.main
+#source: arch7em.s
+#error-output: arch7em-bad.l
+++ /dev/null
-#name: Valid v7E-M, invalid v7-M
-#as: -march=armv7-m
-#source: arch7em.s
-#error-output: arch7em-bad.l
--- /dev/null
+#name: ARMv8-M Mainline with DSP instructions (base)
+#source: archv8m.s
+#as: -march=armv8-m.main+dsp
+#objdump: -dr --prefix-addresses --show-raw-insn
+
+.*: +file format .*arm.*
+
+Disassembly of section .text:
+0+.* <[^>]*> 47a0 blx r4
+0+.* <[^>]*> 47c8 blx r9
+0+.* <[^>]*> 4720 bx r4
+0+.* <[^>]*> 4748 bx r9
+0+.* <[^>]*> e841 f000 tt r0, r1
+0+.* <[^>]*> e849 f800 tt r8, r9
+0+.* <[^>]*> e841 f040 ttt r0, r1
+0+.* <[^>]*> e849 f840 ttt r8, r9
+0+.* <[^>]*> f24f 1023 movw r0, #61731 ; 0xf123
+0+.* <[^>]*> f24f 1823 movw r8, #61731 ; 0xf123
+0+.* <[^>]*> f2cf 1023 movt r0, #61731 ; 0xf123
+0+.* <[^>]*> f2cf 1823 movt r8, #61731 ; 0xf123
+0+.* <[^>]*> b154 cbz r4, 0+.* <[^>]*>
+0+.* <[^>]*> b94c cbnz r4, 0+.* <[^>]*>
+0+.* <[^>]*> f000 b808 b.w 0+.* <[^>]*>
+0+.* <[^>]*> fb91 f0f2 sdiv r0, r1, r2
+0+.* <[^>]*> fb99 f8fa sdiv r8, r9, sl
+0+.* <[^>]*> fbb1 f0f2 udiv r0, r1, r2
+0+.* <[^>]*> fbb9 f8fa udiv r8, r9, sl
+0+.* <[^>]*> 4408 add r0, r1
+0+.* <[^>]*> f3bf 8f2f clrex
+0+.* <[^>]*> e851 0f01 ldrex r0, \[r1, #4\]
+0+.* <[^>]*> e8d1 0f4f ldrexb r0, \[r1\]
+0+.* <[^>]*> e8d1 0f5f ldrexh r0, \[r1\]
+0+.* <[^>]*> e842 1001 strex r0, r1, \[r2, #4\]
+0+.* <[^>]*> e8c2 1f40 strexb r0, r1, \[r2\]
+0+.* <[^>]*> e8c2 1f50 strexh r0, r1, \[r2\]
+0+.* <[^>]*> e8d1 0faf lda r0, \[r1\]
+0+.* <[^>]*> e8d1 0f8f ldab r0, \[r1\]
+0+.* <[^>]*> e8d1 0f9f ldah r0, \[r1\]
+0+.* <[^>]*> e8c1 0faf stl r0, \[r1\]
+0+.* <[^>]*> e8c1 0f8f stlb r0, \[r1\]
+0+.* <[^>]*> e8c1 0f9f stlh r0, \[r1\]
+0+.* <[^>]*> e8d1 0fef ldaex r0, \[r1\]
+0+.* <[^>]*> e8d1 0fcf ldaexb r0, \[r1\]
+0+.* <[^>]*> e8d1 0fdf ldaexh r0, \[r1\]
+0+.* <[^>]*> e8c2 1fe0 stlex r0, r1, \[r2\]
+0+.* <[^>]*> e8c2 1fc0 stlexb r0, r1, \[r2\]
+0+.* <[^>]*> e8c2 1fd0 stlexh r0, r1, \[r2\]
--- /dev/null
+#name: ARMv8-M Mainline with DSP instructions (Security Extensions 1)
+#source: archv8m-cmse.s
+#as: -march=armv8-m.main+dsp
+#objdump: -dr --prefix-addresses --show-raw-insn
+
+.*: +file format .*arm.*
+
+Disassembly of section .text:
+0+.* <[^>]*> e97f e97f sg
+0+.* <[^>]*> 47a4 blxns r4
+0+.* <[^>]*> 47cc blxns r9
+0+.* <[^>]*> 4724 bxns r4
+0+.* <[^>]*> 474c bxns r9
+0+.* <[^>]*> e841 f080 tta r0, r1
+0+.* <[^>]*> e849 f880 tta r8, r9
+0+.* <[^>]*> e841 f0c0 ttat r0, r1
+0+.* <[^>]*> e849 f8c0 ttat r8, r9
--- /dev/null
+#name: ARMv8-M Mainline with DSP instructions (Security Extensions 2)
+#source: archv8m-cmse-main.s
+#as: -march=armv8-m.main+dsp
+#objdump: -dr --prefix-addresses --show-raw-insn
+
+.*: +file format .*arm.*
+
+Disassembly of section .text:
+0+.* <[^>]*> ec31 0a00 vlldm r1
+0+.* <[^>]*> ec22 0a00 vlstm r2
--- /dev/null
+#name: ARMv8-M Mainline with DSP instructions (Security Extensions 3)
+#source: archv8m-cmse-msr.s
+#as: -march=armv8-m.main+dsp
+#objdump: -dr --prefix-addresses --show-raw-insn
+
+.*: +file format .*arm.*
+
+Disassembly of section .text:
+0+.* <[^>]*> f380 8808 msr MSP, r0
+0+.* <[^>]*> f380 8808 msr MSP, r0
+0+.* <[^>]*> f380 8888 msr MSP_NS, r0
+0+.* <[^>]*> f380 8809 msr PSP, r0
+0+.* <[^>]*> f380 8809 msr PSP, r0
+0+.* <[^>]*> f380 8889 msr PSP_NS, r0
+0+.* <[^>]*> f380 8808 msr MSP, r0
+0+.* <[^>]*> f380 8808 msr MSP, r0
+0+.* <[^>]*> f380 8888 msr MSP_NS, r0
+0+.* <[^>]*> f380 8809 msr PSP, r0
+0+.* <[^>]*> f380 8809 msr PSP, r0
+0+.* <[^>]*> f380 8889 msr PSP_NS, r0
+0+.* <[^>]*> f3ef 8008 mrs r0, MSP
+0+.* <[^>]*> f3ef 8008 mrs r0, MSP
+0+.* <[^>]*> f3ef 8088 mrs r0, MSP_NS
+0+.* <[^>]*> f3ef 8009 mrs r0, PSP
+0+.* <[^>]*> f3ef 8009 mrs r0, PSP
+0+.* <[^>]*> f3ef 8089 mrs r0, PSP_NS
+0+.* <[^>]*> f3ef 8008 mrs r0, MSP
+0+.* <[^>]*> f3ef 8008 mrs r0, MSP
+0+.* <[^>]*> f3ef 8088 mrs r0, MSP_NS
+0+.* <[^>]*> f3ef 8009 mrs r0, PSP
+0+.* <[^>]*> f3ef 8009 mrs r0, PSP
+0+.* <[^>]*> f3ef 8089 mrs r0, PSP_NS
--- /dev/null
+#name: ARMv8-M Mainline with DSP instructions (extension)
+#source: arch7em.s
+#as: -march=armv8-m.main+dsp
+#objdump: -dr --prefix-addresses --show-raw-insn
+#not-target: *-*-*coff *-*-pe *-*-wince *-*-*aout* *-*-netbsd *-*-riscix*
+
+.*: +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]+ <[^>]+> fa83 f182 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 qasx r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f113 qasx r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa83 f192 qdadd r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa83 f1b2 qdsub r1, r2, r3
+0[0-9a-f]+ <[^>]+> fa83 f1a2 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 qsax r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f113 qsax 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 sasx r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f103 sasx 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 ssax r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f103 ssax 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 shasx r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f123 shasx 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 shsax r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f123 shsax 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 uasx r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f143 uasx 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 usax r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f143 usax 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 uhasx r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f163 uhasx 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 uhsax r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f163 uhsax 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 uqasx r1, r2, r3
+0[0-9a-f]+ <[^>]+> faa2 f153 uqasx 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 uqsax r1, r2, r3
+0[0-9a-f]+ <[^>]+> fae2 f153 uqsax 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, #1, r0
+0[0-9a-f]+ <[^>]+> f320 0900 ssat16 r9, #1, r0
+0[0-9a-f]+ <[^>]+> f320 0009 ssat16 r0, #10, r0
+0[0-9a-f]+ <[^>]+> f329 0000 ssat16 r0, #1, 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
--- /dev/null
+# name: attributes for -march=armv8-m.main+dsp
+# source: blank.s
+# as: -march=armv8-m.main+dsp
+# readelf: -A
+# This test is only valid on EABI based ports.
+# target: *-*-*eabi* *-*-nacl*
+
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "8-M.MAIN"
+ Tag_CPU_arch: v8-M.mainline
+ Tag_CPU_arch_profile: Microcontroller
+ Tag_THUMB_ISA_use: Yes
+ Tag_DSP_extension: Allowed
+2016-05-10 Thomas Preud'homme <thomas.preudhomme@arm.com>
+
+ * elf/arm.h (Tag_DSP_extension): Define.
+
2016-05-10 Thomas Preud'homme <thomas.preudhomme@arm.com>
* arm.h (ARM_FSET_CPU_SUBSET): Define macro.
Tag_MPextension_use,
Tag_undefined_43,
Tag_DIV_use,
+ Tag_DSP_extension = 46,
Tag_nodefaults = 64,
Tag_also_compatible_with,
Tag_T2EE_use,
+2016-05-10 Thomas Preud'homme <thomas.preudhomme@arm.com>
+
+ * testsuite/ld-arm/arm-elf.exp (EABI attribute merging 10 (DSP)): New
+ test.
+ * testsuite/ld-arm/attr-merge-10b-dsp.s: New file.
+ * testsuite/ld-arm/attr-merge-10-dsp.attr: Likewise.
+
2016-05-10 Christophe Lyon <christophe.lyon@linaro.org>
* ld/testsuite/ld-elf/flags1.d (xfail): Remove *-*-nacl*".
{"EABI attribute merging 10" "-r" "" "" {attr-merge-10a.s attr-merge-10b.s}
{{readelf -A attr-merge-10.attr}}
"attr-merge-10"}
+ {"EABI attribute merging 10 (DSP)" "-r" "" "" {attr-merge-10a.s attr-merge-10b-dsp.s}
+ {{readelf -A attr-merge-10-dsp.attr}}
+ "attr-merge-10-dsp"}
{"EABI attribute arch merging 1" "-r" "" "" {arch-v6k.s arch-v6t2.s}
{{readelf -A attr-merge-arch-1.attr}}
"attr-merge-arch-1"}
--- /dev/null
+Attribute Section: aeabi
+File Attributes
+ Tag_CPU_name: "8-M.MAIN"
+ Tag_CPU_arch: v8-M.mainline
+ Tag_CPU_arch_profile: Microcontroller
+ Tag_THUMB_ISA_use: Yes
+ Tag_DSP_extension: Allowed
--- /dev/null
+ .arch armv8-m.main
+
+ @ Tag_CPU_arch & Tag_CPU_arch_profile = v8-M.MAIN
+ .eabi_attribute Tag_CPU_arch, 17
+ .eabi_attribute Tag_CPU_arch_profile, 'M'
+ .eabi_attribute Tag_DSP_extension, 1