x86: FMA4 scalar insns ignore VEX.L

[binutils-gdb.git] / opcodes / aarch64-asm.c

diff --git a/opcodes/aarch64-asm.c b/opcodes/aarch64-asm.c
index e53b98a67f9dc9e0b4638695b9c03d55234c5025..b4846bf986ee9bbc0c3b0e3b73c1cc31e861ce18 100644 (file)
--- a/opcodes/aarch64-asm.c
+++ b/opcodes/aarch64-asm.c
@@ -1,5 +1,5 @@
 /* aarch64-asm.c -- AArch64 assembler support.
 /* aarch64-asm.c -- AArch64 assembler support.

-   Copyright (C) 2012-2018 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.

    Contributed by ARM Ltd.
 
    This file is part of the GNU opcodes library.
    Contributed by ARM Ltd.
 
    This file is part of the GNU opcodes library.


@@ -78,6 +78,17 @@ insert_all_fields (const aarch64_operand *self, aarch64_insn *code,
 
 /* Operand inserters.  */
 
 
 /* Operand inserters.  */
 

+/* Insert nothing.  */
+bfd_boolean
+aarch64_ins_none (const aarch64_operand *self ATTRIBUTE_UNUSED,
+                 const aarch64_opnd_info *info ATTRIBUTE_UNUSED,
+                 aarch64_insn *code ATTRIBUTE_UNUSED,
+                 const aarch64_inst *inst ATTRIBUTE_UNUSED,
+                 aarch64_operand_error *errors ATTRIBUTE_UNUSED)
+{
+  return TRUE;
+}
+

 /* Insert register number.  */
 bfd_boolean
 aarch64_ins_regno (const aarch64_operand *self, const aarch64_opnd_info *info,
 /* Insert register number.  */
 bfd_boolean
 aarch64_ins_regno (const aarch64_operand *self, const aarch64_opnd_info *info,


@@ -130,6 +141,7 @@ aarch64_ins_reglane (const aarch64_operand *self, const aarch64_opnd_info *info,
       switch (info->qualifier)
        {
        case AARCH64_OPND_QLF_S_4B:
       switch (info->qualifier)
        {
        case AARCH64_OPND_QLF_S_4B:

+       case AARCH64_OPND_QLF_S_2H:

          /* L:H */
          assert (reglane_index < 4);
          insert_fields (code, reglane_index, 0, 2, FLD_L, FLD_H);
          /* L:H */
          assert (reglane_index < 4);
          insert_fields (code, reglane_index, 0, 2, FLD_L, FLD_H);


@@ -1241,8 +1253,9 @@ aarch64_ins_sve_shrimm (const aarch64_operand *self,
   const aarch64_opnd_info *prev_operand;
   unsigned int esize;
 
   const aarch64_opnd_info *prev_operand;
   unsigned int esize;
 

-  assert (info->idx > 0);
-  prev_operand = &inst->operands[info->idx - 1];
+  unsigned int opnd_backshift = get_operand_specific_data (self);
+  assert (info->idx >= (int)opnd_backshift);
+  prev_operand = &inst->operands[info->idx - opnd_backshift];

   esize = aarch64_get_qualifier_esize (prev_operand->qualifier);
   insert_all_fields (self, code, 16 * esize - info->imm.value);
   return TRUE;
   esize = aarch64_get_qualifier_esize (prev_operand->qualifier);
   insert_all_fields (self, code, 16 * esize - info->imm.value);
   return TRUE;


@@ -1613,6 +1626,7 @@ do_special_encoding (struct aarch64_inst *inst)
 static void
 aarch64_encode_variant_using_iclass (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:
   switch (inst->opcode->iclass)
     {
     case sve_cpy:


@@ -1623,6 +1637,8 @@ aarch64_encode_variant_using_iclass (struct aarch64_inst *inst)
     case sve_index:
     case sve_shift_pred:
     case sve_shift_unpred:
     case sve_index:
     case sve_shift_pred:
     case sve_shift_unpred:

+    case sve_shift_tsz_hsd:
+    case sve_shift_tsz_bhsd:

       /* For indices and shift amounts, the variant is encoded as
         part of the immediate.  */
       break;
       /* For indices and shift amounts, the variant is encoded as
         part of the immediate.  */
       break;


@@ -1655,10 +1671,33 @@ aarch64_encode_variant_using_iclass (struct aarch64_inst *inst)
       insert_field (FLD_size, &inst->value, aarch64_get_variant (inst) + 1, 0);
       break;
 
       insert_field (FLD_size, &inst->value, aarch64_get_variant (inst) + 1, 0);
       break;
 

+    case sve_size_bh:

     case sve_size_sd:
       insert_field (FLD_SVE_sz, &inst->value, aarch64_get_variant (inst), 0);
       break;
 
     case sve_size_sd:
       insert_field (FLD_SVE_sz, &inst->value, aarch64_get_variant (inst), 0);
       break;
 

+    case sve_size_sd2:
+      insert_field (FLD_SVE_sz2, &inst->value, aarch64_get_variant (inst), 0);
+      break;
+
+    case sve_size_hsd2:
+      insert_field (FLD_SVE_size, &inst->value,
+                   aarch64_get_variant (inst) + 1, 0);
+      break;
+
+    case sve_size_tsz_bhs:
+      insert_fields (&inst->value,
+                    (1 << aarch64_get_variant (inst)),
+                    0, 2, FLD_SVE_tszl_19, FLD_SVE_sz);
+      break;
+
+    case sve_size_13:
+      variant = aarch64_get_variant (inst) + 1;
+      if (variant == 2)
+         variant = 3;
+      insert_field (FLD_size, &inst->value, variant, 0);
+      break;
+

     default:
       break;
     }
     default:
       break;
     }


@@ -1939,7 +1978,7 @@ convert_to_real (aarch64_inst *inst, const aarch64_opcode *real)
       break;
     }
 
       break;
     }
 

-convert_to_real_return:
+ convert_to_real_return:

   aarch64_replace_opcode (inst, real);
 }
 
   aarch64_replace_opcode (inst, real);
 }
 


@@ -2071,7 +2110,7 @@ aarch64_opcode_encode (const aarch64_opcode *opcode,
     }
 
 
     }
 
 

-encoding_exit:
+ encoding_exit:

   DEBUG_TRACE ("exit with %s", opcode->name);
 
   *code = inst->value;
   DEBUG_TRACE ("exit with %s", opcode->name);
 
   *code = inst->value;