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Matthew Malcomson df6780137d [binutils][aarch64] Bfloat16 enablement [2/X]
Hi,

This patch is part of a series that adds support for Armv8.6-A
(Matrix Multiply and BFloat16 extensions) to binutils.

This patch introduces the following BFloat16 instructions to the
aarch64 backend: bfdot, bfmmla, bfcvt, bfcvtnt, bfmlal[t/b],
bfcvtn2.

Committed on behalf of Mihail Ionescu.

gas/ChangeLog:

2019-11-07  Mihail Ionescu  <mihail.ionescu@arm.com>
2019-11-07  Matthew Malcomson  <matthew.malcomson@arm.com>

	* config/tc-aarch64.c (vectype_to_qualifier): Special case the
	S_2H operand qualifier.
	* doc/c-aarch64.texi: Document bf16 and bf16mmla4 extensions.
	* testsuite/gas/aarch64/bfloat16.d: New test.
	* testsuite/gas/aarch64/bfloat16.s: New test.
	* testsuite/gas/aarch64/illegal-bfloat16.d: New test.
	* testsuite/gas/aarch64/illegal-bfloat16.l: New test.
	* testsuite/gas/aarch64/illegal-bfloat16.s: New test.
	* testsuite/gas/aarch64/sve-bfloat-movprfx.s: New test.
	* testsuite/gas/aarch64/sve-bfloat-movprfx.d: New test.

include/ChangeLog:

2019-11-07  Mihail Ionescu  <mihail.ionescu@arm.com>
2019-11-07  Matthew Malcomson  <matthew.malcomson@arm.com>

	* opcode/aarch64.h (AARCH64_FEATURE_BFLOAT16): New feature macros.
	(AARCH64_ARCH_V8_6): Include BFloat16 feature macros.
	(enum aarch64_opnd_qualifier): Introduce new operand qualifier
	AARCH64_OPND_QLF_S_2H.
	(enum aarch64_insn_class): Introduce new class "bfloat16".
	(BFLOAT16_SVE_INSNC): New feature set for bfloat16
	instructions to support the movprfx constraint.

opcodes/ChangeLog:

2019-11-07  Mihail Ionescu  <mihail.ionescu@arm.com>
2019-11-07  Matthew Malcomson  <matthew.malcomson@arm.com>

	* aarch64-asm.c (aarch64_ins_reglane): Use AARCH64_OPND_QLF_S_2H
	in reglane special case.
	* aarch64-dis-2.c (aarch64_opcode_lookup_1,
	aarch64_find_next_opcode): Account for new instructions.
	* aarch64-dis.c (aarch64_ext_reglane): Use AARCH64_OPND_QLF_S_2H
	in reglane special case.
	* aarch64-opc.c (struct operand_qualifier_data): Add data for
	new AARCH64_OPND_QLF_S_2H qualifier.
	* aarch64-tbl.h (QL_BFDOT QL_BFDOT64, QL_BFDOT64I, QL_BFMMLA2,
	QL_BFCVT64, QL_BFCVTN64, QL_BFCVTN2_64): New qualifiers.
	(aarch64_feature_bfloat16, aarch64_feature_bfloat16_sve,
	aarch64_feature_bfloat16_bfmmla4): New feature sets.
	(BFLOAT_SVE, BFLOAT): New feature set macros.
	(BFLOAT_SVE_INSN, BFLOAT_BFMMLA4_INSN, BFLOAT_INSN): New macros
	to define BFloat16 instructions.
	(aarch64_opcode_table): Define new instructions bfdot,
	bfmmla, bfcvt, bfcvtnt, bfdot, bfdot, bfcvtn, bfmlal[b/t]
	bfcvtn2, bfcvt.

Regression tested on aarch64-elf.

Is it ok for trunk?

Regards,
Mihail
2019-11-07 16:42:36 +00:00
bfd Remove CR16C support 2019-11-07 20:09:20 +10:30
binutils Allow the --output option of the "ar" prorgam to extract files to locations outside of the current directory. 2019-11-07 11:56:54 +00:00
config
contrib contrib: Update dg-extract-results.* from gcc 2019-10-21 15:26:48 +01:00
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gas [binutils][aarch64] Bfloat16 enablement [2/X] 2019-11-07 16:42:36 +00:00
gdb [gdb/contrib] Add words.sh script 2019-11-07 10:49:56 +01:00
gnulib Regenerate gnulib files 2019-11-06 12:34:02 -06:00
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include [binutils][aarch64] Bfloat16 enablement [2/X] 2019-11-07 16:42:36 +00:00
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ld Remove CR16C support 2019-11-07 20:09:20 +10:30
libctf libctf: mark swap.h inline functions as static 2019-10-16 11:12:23 -04:00
libdecnumber
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opcodes [binutils][aarch64] Bfloat16 enablement [2/X] 2019-11-07 16:42:36 +00:00
readline Move readline to the readline/readline subdirectory 2019-10-23 15:16:48 -06:00
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ChangeLog Add libctf to src-release.sh:GDB_SUPPORT_DIRS 2019-10-17 14:00:51 -04:00
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Makefile.def gdb: CTF support 2019-10-07 02:26:27 +00:00
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