From cd50a87ae29f163e7d254729a902a5e51fcccbbc Mon Sep 17 00:00:00 2001 From: Matthew Malcomson Date: Thu, 9 May 2019 10:29:21 +0100 Subject: [binutils][aarch64] New sve_size_013 iclass. Add sve_size_013 instruction class This new iclass handles instructions such as pmullb whose size specifier can only be encoded as 0, 1, or 3. include/ChangeLog: 2019-05-09 Matthew Malcomson * opcode/aarch64.h (enum aarch64_insn_class): Add sve_size_013 iclass. opcodes/ChangeLog: 2019-05-09 Matthew Malcomson * aarch64-asm.c (aarch64_encode_variant_using_iclass): Handle sve_size_013 iclass encode. * aarch64-dis.c (aarch64_decode_variant_using_iclass): Handle sve_size_013 iclass decode. --- opcodes/ChangeLog | 7 +++++++ opcodes/aarch64-asm.c | 8 ++++++++ opcodes/aarch64-dis.c | 10 ++++++++++ 3 files changed, 25 insertions(+) (limited to 'opcodes') diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index d0f28ce..a8051cd 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,6 +1,13 @@ 2019-05-09 Matthew Malcomson * aarch64-asm.c (aarch64_encode_variant_using_iclass): Handle + sve_size_013 iclass encode. + * aarch64-dis.c (aarch64_decode_variant_using_iclass): Handle + sve_size_013 iclass decode. + +2019-05-09 Matthew Malcomson + + * aarch64-asm.c (aarch64_encode_variant_using_iclass): Handle sve_size_bh iclass encode. * aarch64-dis.c (aarch64_decode_variant_using_iclass): Handle sve_size_bh iclass decode. diff --git a/opcodes/aarch64-asm.c b/opcodes/aarch64-asm.c index 674eba5..0ec27b2 100644 --- a/opcodes/aarch64-asm.c +++ b/opcodes/aarch64-asm.c @@ -1613,6 +1613,7 @@ do_special_encoding (struct aarch64_inst *inst) static void aarch64_encode_variant_using_iclass (struct aarch64_inst *inst) { + int variant = 0; switch (inst->opcode->iclass) { case sve_cpy: @@ -1669,6 +1670,13 @@ aarch64_encode_variant_using_iclass (struct aarch64_inst *inst) aarch64_get_variant (inst) + 1, 0); break; + case sve_size_013: + variant = aarch64_get_variant (inst); + if (variant == 2) + variant = 3; + insert_field (FLD_size, &inst->value, variant, 0); + break; + default: break; } diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c index bfc47b4..1a727a4 100644 --- a/opcodes/aarch64-dis.c +++ b/opcodes/aarch64-dis.c @@ -2822,6 +2822,16 @@ aarch64_decode_variant_using_iclass (aarch64_inst *inst) variant = i - 1; break; + case sve_size_013: + i = extract_field (FLD_size, inst->value, 0); + if (i == 2) + return FALSE; + if (i == 3) + variant = 2; + else + variant = i; + break; + default: /* No mapping between instruction class and qualifiers. */ return TRUE; -- cgit v1.1