Support Intel AMX-FP16

gas/

	* NEWS: Add support for Intel AMX-FP16 instruction.
	* config/tc-i386.c: Add amx_fp16.
	* doc/c-i386.texi: Document .amx_fp16.
	* testsuite/gas/i386/i386.exp: Add AMX-FP16 tests.
	* testsuite/gas/i386/x86-64-amx-fp16-intel.d: New test.
	* testsuite/gas/i386/x86-64-amx-fp16.d: Likewise.
	* testsuite/gas/i386/x86-64-amx-fp16.s: Likewise.
	* testsuite/gas/i386/x86-64-amx-fp16-bad.d: Likewise.
	* testsuite/gas/i386/x86-64-amx-fp16-bad.s: Likewise.

opcodes/

	* i386-dis.c (MOD_VEX_0F385C_X86_64_P_3_W_0): New.
	(VEX_LEN_0F385C_X86_64_P_3_W_0_M_0): Likewise.
	(VEX_W_0F385C_X86_64_P_3): Likewise.
	(prefix_table): Add VEX_W_0F385C_X86_64_P_3.
	(vex_len_table): Add VEX_LEN_0F385C_X86_64_P_3_W_0_M_0.
	(vex_w_table): Add VEX_W_0F385C_X86_64_P_3.
	(mod_table): Add MOD_VEX_0F385C_X86_64_P_3_W_0.
	* i386-gen.c (cpu_flag_init): Add AMX-FP16_FLAGS.
	(CPU_ANY_AMX_TILE_FLAGS): Add CpuAMX_FP16.
	(cpu_flags): Add CpuAMX-FP16.
	* i386-opc.h (enum): Add CpuAMX-FP16.
	(i386_cpu_flags): Add cpuamx_fp16.
	* i386-opc.tbl: Add Intel AMX-FP16 instruction.
	* i386-init.h: Regenerate.
	* i386-tbl.h: Likewise.

1 files changed, 2 insertions, 0 deletions

diff --git a/gas/NEWS b/gas/NEWS
index 16cb347..31b3b66 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -1,5 +1,7 @@
 -*- text -*-
 
+* Add support for Intel AMX-FP16 instructions.
+
 * gas now supports --compress-debug-sections=zstd to compress
   debug sections with zstd.
 * Add --enable-default-compressed-debug-sections-algorithm={zlib,zstd}