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-rw-r--r--gas/ChangeLog12
-rw-r--r--gas/config/tc-arm.c33
-rw-r--r--gas/testsuite/gas/arm/crc-ext.d14
-rw-r--r--gas/testsuite/gas/arm/crc-ext.s19
4 files changed, 62 insertions, 16 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 9117918..1eefec9 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,15 @@
+2019-11-22 Mihail Ionescu <mihail.ionescu@arm.com>
+
+ * config/tc-arm.c (arm_ext_crc): New.
+ (crc_ext_armv8): Remove.
+ (insns): Rename crc_ext_armv8 to arm_ext_crc.
+ (arm_cpus): Replace CRC_EXT_ARMV8 with ARM_EXT2_CRC.
+ (armv8a_ext_table, armv8r_ext_table,
+ arm_option_extension_value_table): Redefine the crc
+ extension in terms of ARM_EXT2_CRC.
+ * gas/testsuite/gas/arm/crc-ext.s: New.
+ * gas/testsuite/gas/arm/crc-ext.d: New.
+
2019-11-20 Alan Modra <amodra@gmail.com>
PR 24944
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 641ce7e..28dc624 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -279,6 +279,8 @@ static const arm_feature_set arm_ext_bf16 =
ARM_FEATURE_CORE_HIGH (ARM_EXT2_BF16);
static const arm_feature_set arm_ext_i8mm =
ARM_FEATURE_CORE_HIGH (ARM_EXT2_I8MM);
+static const arm_feature_set arm_ext_crc =
+ ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC);
static const arm_feature_set arm_arch_any = ARM_ANY;
static const arm_feature_set fpu_any = FPU_ANY;
@@ -334,8 +336,6 @@ static const arm_feature_set fpu_neon_ext_armv8 =
ARM_FEATURE_COPROC (FPU_NEON_EXT_ARMV8);
static const arm_feature_set fpu_crypto_ext_armv8 =
ARM_FEATURE_COPROC (FPU_CRYPTO_EXT_ARMV8);
-static const arm_feature_set crc_ext_armv8 =
- ARM_FEATURE_COPROC (CRC_EXT_ARMV8);
static const arm_feature_set fpu_neon_ext_v8_1 =
ARM_FEATURE_COPROC (FPU_NEON_EXT_RDMA);
static const arm_feature_set fpu_neon_ext_dotprod =
@@ -24502,9 +24502,9 @@ static const struct asm_opcode insns[] =
nUF(sha256su0, _sha2op, 2, (RNQ, RNQ), sha256su0),
#undef ARM_VARIANT
-#define ARM_VARIANT & crc_ext_armv8
+#define ARM_VARIANT & arm_ext_crc
#undef THUMB_VARIANT
-#define THUMB_VARIANT & crc_ext_armv8
+#define THUMB_VARIANT & arm_ext_crc
TUEc("crc32b", 1000040, fac0f080, 3, (RR, oRR, RR), crc32b),
TUEc("crc32h", 1200040, fac0f090, 3, (RR, oRR, RR), crc32h),
TUEc("crc32w", 1400040, fac0f0a0, 3, (RR, oRR, RR), crc32w),
@@ -30946,25 +30946,25 @@ static const struct arm_cpu_option_table arm_cpus[] =
ARM_ARCH_NONE,
FPU_ARCH_NEON_VFP_V4),
ARM_CPU_OPT ("cortex-a32", "Cortex-A32", ARM_ARCH_V8A,
- ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+ ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8),
ARM_CPU_OPT ("cortex-a35", "Cortex-A35", ARM_ARCH_V8A,
- ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+ ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8),
ARM_CPU_OPT ("cortex-a53", "Cortex-A53", ARM_ARCH_V8A,
- ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+ ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8),
ARM_CPU_OPT ("cortex-a55", "Cortex-A55", ARM_ARCH_V8_2A,
ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST),
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_DOTPROD),
ARM_CPU_OPT ("cortex-a57", "Cortex-A57", ARM_ARCH_V8A,
- ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+ ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8),
ARM_CPU_OPT ("cortex-a72", "Cortex-A72", ARM_ARCH_V8A,
- ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+ ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8),
ARM_CPU_OPT ("cortex-a73", "Cortex-A73", ARM_ARCH_V8A,
- ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+ ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8),
ARM_CPU_OPT ("cortex-a75", "Cortex-A75", ARM_ARCH_V8_2A,
ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST),
@@ -30997,7 +30997,7 @@ static const struct arm_cpu_option_table arm_cpus[] =
ARM_FEATURE_CORE_LOW (ARM_EXT_ADIV),
FPU_ARCH_VFP_V3D16),
ARM_CPU_OPT ("cortex-r52", "Cortex-R52", ARM_ARCH_V8R,
- ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+ ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
FPU_ARCH_NEON_VFP_ARMV8),
ARM_CPU_OPT ("cortex-m35p", "Cortex-M35P", ARM_ARCH_V8M_MAIN,
ARM_FEATURE_CORE_LOW (ARM_EXT_V5ExP | ARM_EXT_V6_DSP),
@@ -31027,7 +31027,7 @@ static const struct arm_cpu_option_table arm_cpus[] =
ARM_ARCH_NONE,
FPU_NONE),
ARM_CPU_OPT ("exynos-m1", "Samsung Exynos M1", ARM_ARCH_V8A,
- ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+ ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8),
ARM_CPU_OPT ("neoverse-n1", "Neoverse N1", ARM_ARCH_V8_2A,
ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST),
@@ -31066,7 +31066,7 @@ static const struct arm_cpu_option_table arm_cpus[] =
ARM_ARCH_NONE,
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8),
ARM_CPU_OPT ("xgene2", "APM X-Gene 2", ARM_ARCH_V8A,
- ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+ ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC),
FPU_ARCH_CRYPTO_NEON_VFP_ARMV8),
{ NULL, 0, ARM_ARCH_NONE, ARM_ARCH_NONE, ARM_ARCH_NONE, NULL }
@@ -31186,7 +31186,7 @@ static const struct arm_ext_table armv7em_ext_table[] =
static const struct arm_ext_table armv8a_ext_table[] =
{
- ARM_ADD ("crc", ARCH_CRC_ARMV8),
+ ARM_ADD ("crc", ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC)),
ARM_ADD ("simd", FPU_ARCH_NEON_VFP_ARMV8),
ARM_EXT ("crypto", FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8)),
@@ -31302,7 +31302,7 @@ static const struct arm_ext_table armv8_1m_main_ext_table[] =
static const struct arm_ext_table armv8r_ext_table[] =
{
- ARM_ADD ("crc", ARCH_CRC_ARMV8),
+ ARM_ADD ("crc", ARM_FEATURE_CORE_HIGH (ARM_EXT2_CRC)),
ARM_ADD ("simd", FPU_ARCH_NEON_VFP_ARMV8),
ARM_EXT ("crypto", FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8)),
@@ -31407,7 +31407,8 @@ struct arm_option_extension_value_table
use the context sensitive approach using arm_ext_table's. */
static const struct arm_option_extension_value_table arm_extensions[] =
{
- ARM_EXT_OPT ("crc", ARCH_CRC_ARMV8, ARM_FEATURE_COPROC (CRC_EXT_ARMV8),
+ ARM_EXT_OPT ("crc", ARM_FEATURE_CORE_HIGH(ARM_EXT2_CRC),
+ ARM_FEATURE_CORE_HIGH(ARM_EXT2_CRC),
ARM_FEATURE_CORE_LOW (ARM_EXT_V8)),
ARM_EXT_OPT ("crypto", FPU_ARCH_CRYPTO_NEON_VFP_ARMV8,
ARM_FEATURE_COPROC (FPU_CRYPTO_ARMV8),
diff --git a/gas/testsuite/gas/arm/crc-ext.d b/gas/testsuite/gas/arm/crc-ext.d
new file mode 100644
index 0000000..0075b8b
--- /dev/null
+++ b/gas/testsuite/gas/arm/crc-ext.d
@@ -0,0 +1,14 @@
+#as: -mno-warn-deprecated
+#objdump: -dr
+
+.*: file format .*
+
+Disassembly of section \.text:
+
+00000000 <\.text>:
+ *[0-9a-f]+: e1400042 crc32w r0, r0, r2
+ *[0-9a-f]+: e1400042 crc32w r0, r0, r2
+ *[0-9a-f]+: e1400042 crc32w r0, r0, r2
+ *[0-9a-f]+: e1400042 crc32w r0, r0, r2
+ *[0-9a-f]+: e1400042 crc32w r0, r0, r2
+ *[0-9a-f]+: e1400042 crc32w r0, r0, r2
diff --git a/gas/testsuite/gas/arm/crc-ext.s b/gas/testsuite/gas/arm/crc-ext.s
new file mode 100644
index 0000000..3f0cdb0
--- /dev/null
+++ b/gas/testsuite/gas/arm/crc-ext.s
@@ -0,0 +1,19 @@
+.text
+.arch armv8-a
+.arch_extension crc
+crc32w r0,r0,r2
+
+.fpu crypto-neon-fp-armv8
+crc32w r0,r0,r2
+
+.arch armv8.1-a
+crc32w r0,r0,r2
+
+.cpu cortex-a53
+crc32w r0,r0,r2
+
+.cpu cortex-a55
+crc32w r0,r0,r2
+
+.cpu cortex-a57
+crc32w r0,r0,r2
generated by cgit v1.1 at 2024-09-08 05:58:23 +0000