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-rw-r--r--gas/config/tc-i386.c97
1 files changed, 84 insertions, 13 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index bb51133..0e42914 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -290,8 +290,10 @@ enum i386_error
unsupported_with_intel_mnemonic,
unsupported_syntax,
unsupported,
+ invalid_sib_address,
invalid_vsib_address,
invalid_vector_register_set,
+ invalid_tmm_register_set,
unsupported_vector_index_register,
unsupported_broadcast,
broadcast_needed,
@@ -372,6 +374,9 @@ struct _i386_insn
/* Has ZMM register operands. */
bfd_boolean has_regzmm;
+ /* Has TMM register operands. */
+ bfd_boolean has_regtmm;
+
/* Has GOTPC or TLS relocation. */
bfd_boolean has_gotpc_tls_reloc;
@@ -1201,6 +1206,12 @@ static const arch_entry cpu_arch[] =
CPU_WAITPKG_FLAGS, 0 },
{ STRING_COMMA_LEN (".cldemote"), PROCESSOR_UNKNOWN,
CPU_CLDEMOTE_FLAGS, 0 },
+ { STRING_COMMA_LEN (".amx_int8"), PROCESSOR_UNKNOWN,
+ CPU_AMX_INT8_FLAGS, 0 },
+ { STRING_COMMA_LEN (".amx_bf16"), PROCESSOR_UNKNOWN,
+ CPU_AMX_BF16_FLAGS, 0 },
+ { STRING_COMMA_LEN (".amx_tile"), PROCESSOR_UNKNOWN,
+ CPU_AMX_TILE_FLAGS, 0 },
{ STRING_COMMA_LEN (".movdiri"), PROCESSOR_UNKNOWN,
CPU_MOVDIRI_FLAGS, 0 },
{ STRING_COMMA_LEN (".movdir64b"), PROCESSOR_UNKNOWN,
@@ -1259,6 +1270,9 @@ static const noarch_entry cpu_noarch[] =
{ STRING_COMMA_LEN ("noavx512_bitalg"), CPU_ANY_AVX512_BITALG_FLAGS },
{ STRING_COMMA_LEN ("noibt"), CPU_ANY_IBT_FLAGS },
{ STRING_COMMA_LEN ("noshstk"), CPU_ANY_SHSTK_FLAGS },
+ { STRING_COMMA_LEN ("noamx_int8"), CPU_ANY_AMX_INT8_FLAGS },
+ { STRING_COMMA_LEN ("noamx_bf16"), CPU_ANY_AMX_BF16_FLAGS },
+ { STRING_COMMA_LEN ("noamx_tile"), CPU_ANY_AMX_TILE_FLAGS },
{ STRING_COMMA_LEN ("nomovdiri"), CPU_ANY_MOVDIRI_FLAGS },
{ STRING_COMMA_LEN ("nomovdir64b"), CPU_ANY_MOVDIR64B_FLAGS },
{ STRING_COMMA_LEN ("noavx512_bf16"), CPU_ANY_AVX512_BF16_FLAGS },
@@ -2159,7 +2173,9 @@ match_simd_size (const insn_template *t, unsigned int wanted,
|| (i.types[given].bitfield.ymmword
&& !t->operand_types[wanted].bitfield.ymmword)
|| (i.types[given].bitfield.zmmword
- && !t->operand_types[wanted].bitfield.zmmword));
+ && !t->operand_types[wanted].bitfield.zmmword)
+ || (i.types[given].bitfield.tmmword
+ && !t->operand_types[wanted].bitfield.tmmword));
}
/* Return 1 if there is no conflict in any size between operand GIVEN
@@ -2296,6 +2312,7 @@ operand_type_match (i386_operand_type overlap,
temp.bitfield.xmmword = 0;
temp.bitfield.ymmword = 0;
temp.bitfield.zmmword = 0;
+ temp.bitfield.tmmword = 0;
if (operand_type_all_zero (&temp))
goto mismatch;
@@ -3304,6 +3321,7 @@ const type_names[] =
{ OPERAND_TYPE_REGXMM, "rXMM" },
{ OPERAND_TYPE_REGYMM, "rYMM" },
{ OPERAND_TYPE_REGZMM, "rZMM" },
+ { OPERAND_TYPE_REGTMM, "rTMM" },
{ OPERAND_TYPE_REGMASK, "Mask reg" },
};
@@ -5790,7 +5808,7 @@ check_VecOperands (const insn_template *t)
/* For VSIB byte, we need a vector register for index, and all vector
registers must be distinct. */
- if (t->opcode_modifier.sib)
+ if (t->opcode_modifier.sib && t->opcode_modifier.sib != SIBMEM)
{
if (!i.index_reg
|| !((t->opcode_modifier.sib == VECSIB128
@@ -5849,6 +5867,23 @@ check_VecOperands (const insn_template *t)
}
}
+ /* For AMX instructions with three tmmword operands, all tmmword operand must be
+ distinct */
+ if (t->operand_types[0].bitfield.tmmword
+ && i.reg_operands == 3)
+ {
+ if (register_number (i.op[0].regs)
+ == register_number (i.op[1].regs)
+ || register_number (i.op[0].regs)
+ == register_number (i.op[2].regs)
+ || register_number (i.op[1].regs)
+ == register_number (i.op[2].regs))
+ {
+ i.error = invalid_tmm_register_set;
+ return 1;
+ }
+ }
+
/* Check if broadcast is supported by the instruction and is applied
to the memory operand. */
if (i.broadcast)
@@ -6584,12 +6619,18 @@ match_template (char mnem_suffix)
as_bad (_("unsupported instruction `%s'"),
current_templates->start->name);
return NULL;
+ case invalid_sib_address:
+ err_msg = _("invalid SIB address");
+ break;
case invalid_vsib_address:
err_msg = _("invalid VSIB address");
break;
case invalid_vector_register_set:
err_msg = _("mask, index, and destination registers must be distinct");
break;
+ case invalid_tmm_register_set:
+ err_msg = _("all tmm registers must be distinct");
+ break;
case unsupported_vector_index_register:
err_msg = _("unsupported vector index register");
break;
@@ -7923,8 +7964,11 @@ build_modrm_byte (void)
else if (i.op[dest].regs->reg_type.bitfield.class == RegSIMD
|| i.op[source].regs->reg_type.bitfield.class == RegSIMD)
{
- if (i.types[dest].bitfield.zmmword
- || i.types[source].bitfield.zmmword)
+ if (i.types[dest].bitfield.tmmword
+ || i.types[source].bitfield.tmmword)
+ i.has_regtmm = TRUE;
+ else if (i.types[dest].bitfield.zmmword
+ || i.types[source].bitfield.zmmword)
i.has_regzmm = TRUE;
else if (i.types[dest].bitfield.ymmword
|| i.types[source].bitfield.ymmword)
@@ -7966,7 +8010,9 @@ build_modrm_byte (void)
if (i.tm.opcode_modifier.sib)
{
- if (i.index_reg->reg_num == RegIZ)
+ /* The index register of VSIB shouldn't be RegIZ. */
+ if (i.tm.opcode_modifier.sib != SIBMEM
+ && i.index_reg->reg_num == RegIZ)
abort ();
i.rm.regmem = ESCAPE_TO_TWO_BYTE_ADDRESSING;
@@ -7989,8 +8035,19 @@ build_modrm_byte (void)
i.types[op].bitfield.disp32s = 1;
}
}
- i.sib.index = i.index_reg->reg_num;
- set_rex_vrex (i.index_reg, REX_X, FALSE);
+
+ /* Since the mandatory SIB always has index register, so
+ the code logic remains unchanged. The non-mandatory SIB
+ without index register is allowed and will be handled
+ later. */
+ if (i.index_reg)
+ {
+ if (i.index_reg->reg_num == RegIZ)
+ i.sib.index = NO_INDEX_REGISTER;
+ else
+ i.sib.index = i.index_reg->reg_num;
+ set_rex_vrex (i.index_reg, REX_X, FALSE);
+ }
}
default_seg = &ds;
@@ -8004,7 +8061,9 @@ build_modrm_byte (void)
{
i386_operand_type newdisp;
- gas_assert (!i.tm.opcode_modifier.sib);
+ /* Both check for VSIB and mandatory non-vector SIB. */
+ gas_assert (!i.tm.opcode_modifier.sib
+ || i.tm.opcode_modifier.sib == SIBMEM);
/* Operand is just <disp> */
if (flag_code == CODE_64BIT)
{
@@ -8142,7 +8201,11 @@ build_modrm_byte (void)
i.sib.scale = i.log2_scale_factor;
if (i.index_reg == 0)
{
- gas_assert (!i.tm.opcode_modifier.sib);
+ /* Only check for VSIB. */
+ gas_assert (i.tm.opcode_modifier.sib != VECSIB128
+ && i.tm.opcode_modifier.sib != VECSIB256
+ && i.tm.opcode_modifier.sib != VECSIB512);
+
/* <disp>(%esp) becomes two byte modrm with no index
register. We've already stored the code for esp
in i.rm.regmem ie. ESCAPE_TO_TWO_BYTE_ADDRESSING.
@@ -8267,7 +8330,9 @@ build_modrm_byte (void)
break;
if (i.types[op].bitfield.class == RegSIMD)
{
- if (i.types[op].bitfield.zmmword)
+ if (i.types[op].bitfield.tmmword)
+ i.has_regtmm = TRUE;
+ else if (i.types[op].bitfield.zmmword)
i.has_regzmm = TRUE;
else if (i.types[op].bitfield.ymmword)
i.has_regymm = TRUE;
@@ -10931,9 +10996,10 @@ i386_index_check (const char *operand_string)
|| !i.index_reg->reg_type.bitfield.baseindex)))
goto bad_address;
- /* bndmk, bndldx, and bndstx have special restrictions. */
+ /* bndmk, bndldx, bndstx and mandatory non-vector SIB have special restrictions. */
if (current_templates->start->base_opcode == 0xf30f1b
- || (current_templates->start->base_opcode & ~1) == 0x0f1a)
+ || (current_templates->start->base_opcode & ~1) == 0x0f1a
+ || current_templates->start->opcode_modifier.sib == SIBMEM)
{
/* They cannot use RIP-relative addressing. */
if (i.base_reg && i.base_reg->reg_num == RegIP)
@@ -10943,7 +11009,7 @@ i386_index_check (const char *operand_string)
}
/* bndldx and bndstx ignore their scale factor. */
- if (current_templates->start->base_opcode != 0xf30f1b
+ if ((current_templates->start->base_opcode & ~1) == 0x0f1a
&& i.log2_scale_factor)
as_warn (_("register scaling is being ignored here"));
}
@@ -12445,6 +12511,11 @@ static bfd_boolean check_register (const reg_entry *r)
}
}
+ if (r->reg_type.bitfield.tmmword
+ && (!cpu_arch_flags.bitfield.cpuamx_tile
+ || flag_code != CODE_64BIT))
+ return FALSE;
+
if (r->reg_type.bitfield.class == RegBND && !cpu_arch_flags.bitfield.cpumpx)
return FALSE;
generated by cgit v1.1 at 2025-01-27 07:32:11 +0000