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[binutils-gdb] [ARM] Support for ARMv8.1 command line option
- From: Jiong Wang <jiwang at sourceware dot org>
- To: bfd-cvs at sourceware dot org
- Date: 3 Jun 2015 09:04:56 -0000
- Subject: [binutils-gdb] [ARM] Support for ARMv8.1 command line option
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a5932920ef397c2cbe02efa915686022b78d59a7
commit a5932920ef397c2cbe02efa915686022b78d59a7
Author: Matthew Wahab <matthew.wahab@arm.com>
Date: Wed Jun 3 10:03:50 2015 +0100
[ARM] Support for ARMv8.1 command line option
2015-06-03 Matthew Wahab <matthew.wahab@arm.com>
gas/
* config/tc-arm.c (arm_archs): Add "armv8.1-a".
* doc/c-arm.texi (ARM Options, -march): Add "armv8.1-a".
* NEWS: Mention ARMv8.1 support.
include/opcode/
* arm.h (FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_1): New.
(ARM_ARCH_V8_1A): New.
(ARM_ARCH_V8_1A_FP): New.
(ARM_ARCH_V8_1A_SIMD): New.
(ARM_ARCH_V8_1A_CRYPTOV1): New.
(ARM_FEATURE_CORE): New.
Diff:
---
gas/ChangeLog | 6 ++++++
gas/NEWS | 4 ++++
gas/config/tc-arm.c | 1 +
gas/doc/c-arm.texi | 1 +
include/opcode/ChangeLog | 9 +++++++++
include/opcode/arm.h | 16 ++++++++++++++++
ld/testsuite/ld-aarch64/emit-relocs-28.d | 2 +-
7 files changed, 38 insertions(+), 1 deletion(-)
diff --git a/gas/ChangeLog b/gas/ChangeLog
index eb3fcca..57fc30a 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,9 @@
+2015-06-03 Matthew Wahab <matthew.wahab@arm.com>
+
+ * config/tc-arm.c (arm_archs): Add "armv8.1-a".
+ * doc/c-arm.texi (ARM Options, -march): Add "armv8.1-a".
+ * NEWS: Mention ARMv8.1 support.
+
2015-06-02 Matthew Wahab <matthew.wahab@arm.com>
* config/tc-arm.c (arm_ext_pan): New.
diff --git a/gas/NEWS b/gas/NEWS
index 495bf10..02a434c 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -2,6 +2,10 @@
Changes in 2.26:
+* Support for the ARMv8.1 architecture has been added to the ARM port. Support
+ for the individual ARMv8.1 Adv.SIMD and PAN architecture extensions has also
+ been added to the ARM port.
+
* Extend --compress-debug-sections option to support
--compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi] for ELF
targets.
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index c69a942..b57f85c 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -24650,6 +24650,7 @@ static const struct arm_arch_option_table arm_archs[] =
ARM_ARCH_OPT ("armv7-m", ARM_ARCH_V7M, FPU_ARCH_VFP),
ARM_ARCH_OPT ("armv7e-m", ARM_ARCH_V7EM, FPU_ARCH_VFP),
ARM_ARCH_OPT ("armv8-a", ARM_ARCH_V8A, FPU_ARCH_VFP),
+ ARM_ARCH_OPT ("armv8.1-a", ARM_ARCH_V8_1A, FPU_ARCH_VFP),
ARM_ARCH_OPT ("xscale", ARM_ARCH_XSCALE, FPU_ARCH_VFP),
ARM_ARCH_OPT ("iwmmxt", ARM_ARCH_IWMMXT, FPU_ARCH_VFP),
ARM_ARCH_OPT ("iwmmxt2", ARM_ARCH_IWMMXT2,FPU_ARCH_VFP),
diff --git a/gas/doc/c-arm.texi b/gas/doc/c-arm.texi
index afbd9f9..0c3b9f9 100644
--- a/gas/doc/c-arm.texi
+++ b/gas/doc/c-arm.texi
@@ -220,6 +220,7 @@ names are recognized:
@code{armv7-m},
@code{armv7e-m},
@code{armv8-a},
+@code{armv8.1-a},
@code{iwmmxt}
@code{iwmmxt2}
and
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 969ac70..8a57fac 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,12 @@
+2015-06-03 Matthew Wahab <matthew.wahab@arm.com>
+
+ * arm.h (FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_1): New.
+ (ARM_ARCH_V8_1A): New.
+ (ARM_ARCH_V8_1A_FP): New.
+ (ARM_ARCH_V8_1A_SIMD): New.
+ (ARM_ARCH_V8_1A_CRYPTOV1): New.
+ (ARM_FEATURE_CORE): New.
+
2015-06-02 Matthew Wahab <matthew.wahab@arm.com>
* arm.h (ARM_EXT2_PAN): New.
diff --git a/include/opcode/arm.h b/include/opcode/arm.h
index d88ff27..a5aa3a1 100644
--- a/include/opcode/arm.h
+++ b/include/opcode/arm.h
@@ -208,6 +208,9 @@
ARM_FEATURE_COPROC (FPU_NEON_ARMV8 \
| FPU_VFP_ARMV8 \
| FPU_NEON_EXT_RDMA)
+#define FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_1 \
+ ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8 | FPU_NEON_ARMV8 | FPU_VFP_ARMV8 \
+ | FPU_NEON_EXT_RDMA)
#define FPU_ARCH_ENDIAN_PURE ARM_FEATURE_COPROC (FPU_ENDIAN_PURE)
@@ -247,6 +250,7 @@
#define ARM_ARCH_V7M ARM_FEATURE_CORE_LOW (ARM_AEXT_V7M)
#define ARM_ARCH_V7EM ARM_FEATURE_CORE_LOW (ARM_AEXT_V7EM)
#define ARM_ARCH_V8A ARM_FEATURE_CORE_LOW (ARM_AEXT_V8A)
+#define ARM_ARCH_V8_1A ARM_FEATURE_CORE (ARM_AEXT_V8A, ARM_EXT2_PAN)
/* Some useful combinations: */
#define ARM_ARCH_NONE ARM_FEATURE_LOW (0, 0)
@@ -275,6 +279,17 @@
#define ARM_ARCH_V8A_CRYPTOV1 ARM_FEATURE_LOW (ARM_AEXT_V8A, \
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8)
+/* v8.1-a+fp. */
+#define ARM_ARCH_V8_1A_FP ARM_FEATURE (ARM_AEXT_V8A, ARM_EXT2_PAN, \
+ FPU_ARCH_VFP_ARMV8)
+/* v8.1-a+simd (implies fp). */
+#define ARM_ARCH_V8_1A_SIMD ARM_FEATURE (ARM_AEXT_V8A, ARM_EXT2_PAN, \
+ FPU_ARCH_NEON_VFP_ARMV8_1)
+/* v8.1-a+crypto (implies simd+fp). */
+#define ARM_ARCH_V8_1A_CRYPTOV1 ARM_FEATURE (ARM_AEXT_V8A, ARM_EXT2_PAN, \
+ FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_1)
+
+
/* There are too many feature bits to fit in a single word, so use a
structure. For simplicity we put all core features in array CORE
and everything else in the other. All the bits in element core[0]
@@ -328,6 +343,7 @@ typedef struct
((T1).core[0] == (T2).core[0] && (T1).core[1] == (T2).core[1])
#define ARM_FEATURE_LOW(core, coproc) {{(core), 0}, (coproc)}
+#define ARM_FEATURE_CORE(core1, core2) {{(core1), (core2)}, 0}
#define ARM_FEATURE_CORE_LOW(core) {{(core), 0}, 0}
#define ARM_FEATURE_CORE_HIGH(core) {{0, (core)}, 0}
#define ARM_FEATURE_COPROC(coproc) {{0, 0}, (coproc)}
diff --git a/ld/testsuite/ld-aarch64/emit-relocs-28.d b/ld/testsuite/ld-aarch64/emit-relocs-28.d
index f138fb1..bc8f7d5 100644
--- a/ld/testsuite/ld-aarch64/emit-relocs-28.d
+++ b/ld/testsuite/ld-aarch64/emit-relocs-28.d
@@ -1,6 +1,6 @@
#source: emit-relocs-28.s
#as: -mabi=ilp32
-#ld: -m aarch64linux32 --defsym globala=0x11000 --defsym globalb=0x45000 --defsym globalc=0x1234 -e0 --emit-relocs
+#ld: -T relocs-ilp32.ld --defsym globala=0x11000 --defsym globalb=0x45000 --defsym globalc=0x1234 -e0 --emit-relocs
#objdump: -dr
.*: +file format .*