* bfd/elf32-arm.c (v8): New array.
(tag_cpu_arch_combine): Add support for ARMv8 attributes. (elf32_arm_merge_eabi_attributes): Likewise. (VFP_VERSION_COUNT): New define. * binutils/readelf.c (arm_attr_tag_CPU_arch): Update for ARMv8. (arm_attr_tag_FP_arch): Likewise. (arm_attr_tag_Advanced_SIMD_arch): Likewise. * gas/config/tc-arm.h (arm_ext_v8): New variable. (fpu_vfp_ext_armv8): Likewise. (fpu_neon_ext_armv8): Likewise. (fpu_crypto_ext_armv8): Likewise. (arm_archs): Add armv8-a. (arm_extensions): Add crypto, fp, and simd. (arm_fpus): Add fp-armv8, neon-fp-armv8, crypto-neon-fp-armv8. (cpu_arch_ver): Add support for ARMv8. (aeabi_set_public_sttributes): Likewise. * gas/doc/c-arm.texi (ARM Options): Document new architecture and extension options for ARMv8. * gas/testsuite/gas/arm/attr-march-all.d: Update for change in expected output. * gas/testsuite/gas/arm/attr-mfpu-vfpv4-d16.d: Likewise. * gas/testsuite/gas/arm/attr-mfpu-vfpv4.d: Likewise. * gas/testsuite/gas/arm/attr-march-armv8-a+crypto.d: New testcase. * gas/testsuite/gas/arm/attr-march-armv8-a+fp.d: Likewise. * gas/testsuite/gas/arm/attr-march-armv8-a+simd.d: Likewise. * gas/testsuite/gas/arm/attr-march-armv8-a.d: Likewise. * include/elf/arm.h (TAG_CPU_ARCH_V8): New define. (MAX_TAG_CPU_ARCH): Update. * include/opcode/arm.h (ARM_EXT_V8): New define. (FPU_VFP_EXT_ARMV8): Likewise. (FPU_NEON_EXT_ARMV8): Likewise. (FPU_CRYPTO_EXT_ARMV8): Likewise. (ARM_AEXT_V8A): Likewise. (FPU_VFP_ARMV8): Likwise. (FPU_NEON_ARMV8): Likewise. (FPU_CRYPTO_ARMV8): Likewise. (FPU_ARCH_VFP_ARMV8): Likewise. (FPU_ARCH_NEON_VFP_ARMV8): Likewise. (FPU_ARCH_CRYPTO_NEON_VFP_ARMV8): Likewise. (ARM_ARCH_V8A): Likwise. (ARM_ARCH_V8A_FP): Likewise. (ARM_ARCH_V8A_SIMD): Likewise. (ARM_ARCH_V8A_CRYPTO): Likewise. * ld/testsuite/ld-arm/arm-elf.exp: Add new testcases. * ld/testsuite/ld-arm/attr-merge-vfp-3.d: Update for change in expected output. * ld/testsuite/ld-arm/attr-merge-vfp-3r.d: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-4.d: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-4r.d: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-5.d: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-5r.d: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-7.d: New testcase. * ld/testsuite/ld-arm/attr-merge-vfp-7r.d: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-armv8-hard.s: Likewise. * ld/testsuite/ld-arm/attr-merge-vfp-armv8.s: Likewise.
This commit is contained in:
Matthew Gretton-Dann
@@ -1,3 +1,23 @@
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2012-08-24 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
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* elf/arm.h (TAG_CPU_ARCH_V8): New define.
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(MAX_TAG_CPU_ARCH): Update.
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* opcode/arm.h (ARM_EXT_V8): New define.
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(FPU_VFP_EXT_ARMV8): Likewise.
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(FPU_NEON_EXT_ARMV8): Likewise.
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(FPU_CRYPTO_EXT_ARMV8): Likewise.
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(ARM_AEXT_V8A): Likewise.
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(FPU_VFP_ARMV8): Likwise.
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(FPU_NEON_ARMV8): Likewise.
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(FPU_CRYPTO_ARMV8): Likewise.
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(FPU_ARCH_VFP_ARMV8): Likewise.
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(FPU_ARCH_NEON_VFP_ARMV8): Likewise.
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(FPU_ARCH_CRYPTO_NEON_VFP_ARMV8): Likewise.
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(ARM_ARCH_V8A): Likwise.
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(ARM_ARCH_V8A_FP): Likewise.
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(ARM_ARCH_V8A_SIMD): Likewise.
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(ARM_ARCH_V8A_CRYPTO): Likewise.
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2012-08-13 Ian Bolton <ian.bolton@arm.com>
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Laurent Desnogues <laurent.desnogues@arm.com>
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Jim MacArthur <jim.macarthur@arm.com>
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@@ -101,7 +101,8 @@
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#define TAG_CPU_ARCH_V6_M 11
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#define TAG_CPU_ARCH_V6S_M 12
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#define TAG_CPU_ARCH_V7E_M 13
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#define MAX_TAG_CPU_ARCH 13
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#define TAG_CPU_ARCH_V8 14
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#define MAX_TAG_CPU_ARCH 14
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/* Pseudo-architecture to allow objects to be compatible with the subset of
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armv4t and armv6-m. This value should never be stored in object files. */
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#define TAG_CPU_ARCH_V4T_PLUS_V6_M (MAX_TAG_CPU_ARCH + 1)
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@@ -34,6 +34,7 @@
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#define ARM_EXT_V6 0x00001000 /* ARM V6. */
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#define ARM_EXT_V6K 0x00002000 /* ARM V6K. */
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/* 0x00004000 Was ARM V6Z. */
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#define ARM_EXT_V8 0x00004000 /* is now ARMv8. */
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#define ARM_EXT_V6T2 0x00008000 /* Thumb-2. */
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#define ARM_EXT_DIV 0x00010000 /* Integer division. */
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/* The 'M' in Arm V7M stands for Microcontroller.
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@@ -77,6 +78,9 @@
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#define FPU_VFP_EXT_FP16 0x00100000 /* Half-precision extensions. */
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#define FPU_NEON_EXT_FMA 0x00080000 /* Neon fused multiply-add */
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#define FPU_VFP_EXT_FMA 0x00040000 /* VFP fused multiply-add */
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#define FPU_VFP_EXT_ARMV8 0x00020000 /* FP for ARMv8. */
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#define FPU_NEON_EXT_ARMV8 0x00010000 /* Neon for ARMv8. */
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#define FPU_CRYPTO_EXT_ARMV8 0x00008000 /* Crypto for ARMv8. */
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/* Architectures are the sum of the base and extensions. The ARM ARM (rev E)
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defines the following: ARMv3, ARMv3M, ARMv4xM, ARMv4, ARMv4TxM, ARMv4T,
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@@ -126,6 +130,9 @@
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#define ARM_AEXT_V7 (ARM_AEXT_V7A & ARM_AEXT_V7R & ARM_AEXT_V7M)
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#define ARM_AEXT_V7EM \
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(ARM_AEXT_V7M | ARM_EXT_V5ExP | ARM_EXT_V6_DSP)
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#define ARM_AEXT_V8A \
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(ARM_AEXT_V7A | ARM_EXT_MP | ARM_EXT_SEC | ARM_EXT_DIV | ARM_EXT_ADIV \
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| ARM_EXT_VIRT | ARM_EXT_V8)
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/* Processors with specific extensions in the co-processor space. */
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#define ARM_ARCH_XSCALE ARM_FEATURE (ARM_AEXT_V5TE, ARM_CEXT_XSCALE)
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@@ -143,6 +150,9 @@
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#define FPU_VFP_V4D16 (FPU_VFP_V3D16 | FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA)
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#define FPU_VFP_V4 (FPU_VFP_V3 | FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA)
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#define FPU_VFP_V4_SP_D16 (FPU_VFP_V3xD | FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA)
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#define FPU_VFP_ARMV8 (FPU_VFP_V4 | FPU_VFP_EXT_ARMV8)
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#define FPU_NEON_ARMV8 (FPU_NEON_EXT_V1 | FPU_NEON_EXT_FMA | FPU_NEON_EXT_ARMV8)
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#define FPU_CRYPTO_ARMV8 (FPU_CRYPTO_EXT_ARMV8)
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#define FPU_VFP_HARD (FPU_VFP_EXT_V1xD | FPU_VFP_EXT_V1 | FPU_VFP_EXT_V2 \
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| FPU_VFP_EXT_V3xD | FPU_VFP_EXT_FMA | FPU_NEON_EXT_FMA \
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| FPU_VFP_EXT_V3 | FPU_NEON_EXT_V1 | FPU_VFP_EXT_D32)
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@@ -175,6 +185,10 @@
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#define FPU_ARCH_VFP_V4_SP_D16 ARM_FEATURE(0, FPU_VFP_V4_SP_D16)
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#define FPU_ARCH_NEON_VFP_V4 \
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ARM_FEATURE(0, FPU_VFP_V4 | FPU_NEON_EXT_V1 | FPU_NEON_EXT_FMA)
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#define FPU_ARCH_VFP_ARMV8 ARM_FEATURE(0, FPU_VFP_ARMV8)
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#define FPU_ARCH_NEON_VFP_ARMV8 ARM_FEATURE(0, FPU_NEON_ARMV8 | FPU_VFP_ARMV8)
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#define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8 \
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ARM_FEATURE(0, FPU_CRYPTO_ARMV8 | FPU_NEON_ARMV8 | FPU_VFP_ARMV8)
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#define FPU_ARCH_ENDIAN_PURE ARM_FEATURE (0, FPU_ENDIAN_PURE)
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@@ -211,6 +225,7 @@
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#define ARM_ARCH_V7R ARM_FEATURE (ARM_AEXT_V7R, 0)
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#define ARM_ARCH_V7M ARM_FEATURE (ARM_AEXT_V7M, 0)
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#define ARM_ARCH_V7EM ARM_FEATURE (ARM_AEXT_V7EM, 0)
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#define ARM_ARCH_V8A ARM_FEATURE (ARM_AEXT_V8A, 0)
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/* Some useful combinations: */
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#define ARM_ARCH_NONE ARM_FEATURE (0, 0)
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@@ -233,6 +248,14 @@
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#define ARM_ARCH_V7R_IDIV ARM_FEATURE (ARM_AEXT_V7R | ARM_EXT_ADIV, 0)
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/* Features that are present in v6M and v6S-M but not other v6 cores. */
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#define ARM_ARCH_V6M_ONLY ARM_FEATURE (ARM_AEXT_V6M_ONLY, 0)
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/* v8-a+fp. */
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#define ARM_ARCH_V8A_FP ARM_FEATURE (ARM_AEXT_V8A, FPU_ARCH_VFP_ARMV8)
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/* v8-a+simd (implies fp). */
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#define ARM_ARCH_V8A_SIMD ARM_FEATURE (ARM_AEXT_V8A, \
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FPU_ARCH_NEON_VFP_ARMV8)
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/* v8-a+crypto (implies simd+fp). */
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#define ARM_ARCH_V8A_CRYPTOV1 ARM_FEATURE (ARM_AEXT_V8A, \
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FPU_ARCH_CRYPTO_NEON_VFP_ARMV8)
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/* There are too many feature bits to fit in a single word, so use a
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structure. For simplicity we put all core features in one word and
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