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[AArch64] Add a "compnum" feature

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This patch adds a named "compnum" feature for the ARMv8.3-A FCADD
and FCMLA extensions.

include/
	* opcode/aarch64.h (AARCH64_FEATURE_COMPNUM): New macro.
	(AARCH64_ARCH_V8_3): Include AARCH64_FEATURE_COMPNUM.

opcodes/
	* aarch64-tbl.h (aarch64_feature_simd_v8_3): Replace with...
	(aarch64_feature_compnum): ...this.
	(SIMD_V8_3): Replace with...
	(COMPNUM): ...this.
	(CNUM_INSN): New macro.
	(aarch64_opcode_table): Use it for the complex number instructions.

gas/
	* doc/c-aarch64.texi: Add a "compnum" entry.
	* config/tc-aarch64.c (aarch64_features): Likewise,
	* testsuite/gas/aarch64/advsimd-compnum.s: New test.
	* testsuite/gas/aarch64/advsimd-compnum.d: Likewise.
This commit is contained in:
Richard Sandiford
2017-02-24 18:27:26 +00:00
parent 6b4bf3bc35
commit f482d30447
9 changed files with 87 additions and 7 deletions

4
include/opcode/aarch64.h

@ -54,6 +54,7 @@ typedef uint32_t aarch64_insn;
#define AARCH64_FEATURE_PROFILE 0x08000000 /* Statistical Profiling. */
#define AARCH64_FEATURE_SVE 0x10000000 /* SVE instructions. */
#define AARCH64_FEATURE_RCPC 0x20000000 /* RCPC instructions. */
#define AARCH64_FEATURE_COMPNUM 0x40000000 /* Complex # instructions. */
/* Architectures are the sum of the base and extensions. */
#define AARCH64_ARCH_V8 AARCH64_FEATURE (AARCH64_FEATURE_V8, \
@ -72,7 +73,8 @@ typedef uint32_t aarch64_insn;
| AARCH64_FEATURE_RAS)
#define AARCH64_ARCH_V8_3 AARCH64_FEATURE (AARCH64_ARCH_V8_2, \
AARCH64_FEATURE_V8_3 \
| AARCH64_FEATURE_RCPC)
| AARCH64_FEATURE_RCPC \
| AARCH64_FEATURE_COMPNUM)
#define AARCH64_ARCH_NONE AARCH64_FEATURE (0, 0)
#define AARCH64_ANY AARCH64_FEATURE (-1, 0) /* Any basic core. */