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Fix the ARM assembler to generate a Realtime profile for armv8-r.

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PR 25992
gas	* config/tc-arm.c : Add arm_ext_v8r feature.
	(it_fsm_post_encode): Check arm_ext_v8r feature.
	(get_aeabi_cpu_arch_from_fset): Check arm_ext_v8r feature.

include	* opcode/arm.h (ARM_EXT2_V8R): Define. Modified ARM_AEXT2_V8R.
This commit is contained in:
Alexander Fedotov 2020-05-19 12:45:42 +01:00 committed by Nick Clifton
parent a501eb446f
commit 164446e04c
8 changed files with 28 additions and 11 deletions
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7
gas/ChangeLog
View File

@ -1,3 +1,10 @@
2020-05-19 Alexander Fedotov <alfedotov@gmail.com>
PR 25992
* config/tc-arm.c : Add arm_ext_v8r feature.
(it_fsm_post_encode): Check arm_ext_v8r feature.
(get_aeabi_cpu_arch_from_fset): Check arm_ext_v8r feature.
2020-05-19 Alan Modra <amodra@gmail.com>
* write.c (write_contents): Use bfd_get_filename rather than

16
gas/config/tc-arm.c
View File

@ -230,6 +230,7 @@ static const arm_feature_set arm_ext_div = ARM_FEATURE_CORE_LOW (ARM_EXT_DIV);
static const arm_feature_set arm_ext_v7 = ARM_FEATURE_CORE_LOW (ARM_EXT_V7);
static const arm_feature_set arm_ext_v7a = ARM_FEATURE_CORE_LOW (ARM_EXT_V7A);
static const arm_feature_set arm_ext_v7r = ARM_FEATURE_CORE_LOW (ARM_EXT_V7R);
static const arm_feature_set arm_ext_v8r = ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8R);
#ifdef OBJ_ELF
static const arm_feature_set ATTRIBUTE_UNUSED arm_ext_v7m = ARM_FEATURE_CORE_LOW (ARM_EXT_V7M);
#endif
@ -23298,7 +23299,8 @@ it_fsm_post_encode (void)
&& warn_on_restrict_it
&& !now_pred.warn_deprecated
&& warn_on_deprecated
&& ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v8)
&& (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v8)
|| ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v8r))
&& !ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_m))
{
if (inst.instruction >= 0x10000)
@ -32878,12 +32880,14 @@ get_aeabi_cpu_arch_from_fset (const arm_feature_set *arch_ext_fset,
found:
/* Tag_CPU_arch_profile. */
if (ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_v7a)
|| ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_v8)
|| (ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_atomics)
&& !ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_v8m_m_only)))
if (!ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_v8r)
&& (ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_v7a)
|| ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_v8)
|| (ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_atomics)
&& !ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_v8m_m_only))))
*profile = 'A';
else if (ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_v7r))
else if (ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_v7r)
|| ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_v8r))
*profile = 'R';
else if (ARM_CPU_HAS_FEATURE (p_ver_ret->flags, arm_ext_m))
*profile = 'M';

2
gas/testsuite/gas/arm/attr-march-armv8-r+crypto.d
View File

@ -9,7 +9,7 @@ Attribute Section: aeabi
File Attributes
Tag_CPU_name: "8-R"
Tag_CPU_arch: v8-R
Tag_CPU_arch_profile: Application
Tag_CPU_arch_profile: Realtime
Tag_ARM_ISA_use: Yes
Tag_THUMB_ISA_use: Thumb-2
Tag_FP_arch: FP for ARMv8

2
gas/testsuite/gas/arm/attr-march-armv8-r+fp.d
View File

@ -9,7 +9,7 @@ Attribute Section: aeabi
File Attributes
Tag_CPU_name: "8-R"
Tag_CPU_arch: v8-R
Tag_CPU_arch_profile: Application
Tag_CPU_arch_profile: Realtime
Tag_ARM_ISA_use: Yes
Tag_THUMB_ISA_use: Thumb-2
Tag_FP_arch: FP for ARMv8

2
gas/testsuite/gas/arm/attr-march-armv8-r+simd.d
View File

@ -9,7 +9,7 @@ Attribute Section: aeabi
File Attributes
Tag_CPU_name: "8-R"
Tag_CPU_arch: v8-R
Tag_CPU_arch_profile: Application
Tag_CPU_arch_profile: Realtime
Tag_ARM_ISA_use: Yes
Tag_THUMB_ISA_use: Thumb-2
Tag_FP_arch: FP for ARMv8

2
gas/testsuite/gas/arm/attr-march-armv8-r.d
View File

@ -9,7 +9,7 @@ Attribute Section: aeabi
File Attributes
Tag_CPU_name: "8-R"
Tag_CPU_arch: v8-R
Tag_CPU_arch_profile: Application
Tag_CPU_arch_profile: Realtime
Tag_ARM_ISA_use: Yes
Tag_THUMB_ISA_use: Thumb-2
Tag_MPextension_use: Allowed

5
include/ChangeLog
View File

@ -1,3 +1,8 @@
2020-05-19 Alexander Fedotov <alfedotov@gmail.com>
PR 25992
* opcode/arm.h (ARM_EXT2_V8R): Define. Modified ARM_AEXT2_V8R.
2020-05-11 Alan Modra <amodra@gmail.com>
* opcode/ppc.h (PPC_OPERAND_ACC): Define. Renumber following

3
include/opcode/arm.h
View File

@ -88,6 +88,7 @@
#define ARM_EXT2_CDE5 0x10000000 /* Using CDE coproc 5. */
#define ARM_EXT2_CDE6 0x20000000 /* Using CDE coproc 6. */
#define ARM_EXT2_CDE7 0x40000000 /* Using CDE coproc 7. */
#define ARM_EXT2_V8R 0x80000000 /* Arm V8R. */
/* Co-processor space extensions. */
#define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */
@ -191,7 +192,7 @@
#define ARM_AEXT2_V8M_MAIN (ARM_AEXT2_V8M_BASE | ARM_EXT2_V8M_MAIN)
#define ARM_AEXT2_V8M_MAIN_DSP ARM_AEXT2_V8M_MAIN
#define ARM_AEXT_V8R ARM_AEXT_V8A
#define ARM_AEXT2_V8R ARM_AEXT2_V8AR
#define ARM_AEXT2_V8R (ARM_EXT2_V8R | ARM_AEXT2_V8AR)
#define ARM_AEXT_V8_1M_MAIN ARM_AEXT_V8M_MAIN
#define ARM_AEXT2_V8_1M_MAIN (ARM_AEXT2_V8M_MAIN | ARM_EXT2_V8_1M_MAIN \
| ARM_EXT2_FP16_INST)