[ARM] Add crypto-neon-fp-armv8.1 as an fpu option

[external/binutils.git] / gas / config / tc-arm.c

diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 9ccee40..a76b4ca 100644 (file)
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -17873,7 +17873,7 @@ md_assemble (char *str)
          || (thumb_mode == 1
              && !ARM_CPU_HAS_FEATURE (variant, *opcode->tvariant)))
        {
-         as_bad (_("selected processor does not support Thumb mode `%s'"), str);
+         as_bad (_("selected processor does not support `%s' in Thumb mode"), str);
          return;
        }
       if (inst.cond != COND_ALWAYS && !unified_syntax
@@ -17898,7 +17898,7 @@ md_assemble (char *str)
                inst.size_req = 2;
              else if (inst.size_req == 4)
                {
-                 as_bad (_("selected processor does not support Thumb-2 mode `%s'"), str);
+                 as_bad (_("selected processor does not support `%s' in Thumb-2 mode"), str);
                  return;
                }
            }
@@ -17964,7 +17964,7 @@ md_assemble (char *str)
          && !(opcode->avariant &&
               ARM_CPU_HAS_FEATURE (cpu_variant, *opcode->avariant)))
        {
-         as_bad (_("selected processor does not support ARM mode `%s'"), str);
+         as_bad (_("selected processor does not support `%s' in ARM mode"), str);
          return;
        }
       if (inst.size_req)
@@ -23158,6 +23158,45 @@ md_apply_fix (fixS *   fixP,
          }
        else if (rs == REG_PC || rs == REG_SP)
          {
+           /* PR gas/18541.  If the addition is for a defined symbol
+              within range of an ADR instruction then accept it.  */
+           if (subtract
+               && value == 4
+               && fixP->fx_addsy != NULL)
+             {
+               subtract = 0;
+
+               if (! S_IS_DEFINED (fixP->fx_addsy)
+                   || S_GET_SEGMENT (fixP->fx_addsy) != seg
+                   || S_IS_WEAK (fixP->fx_addsy))
+                 {
+                   as_bad_where (fixP->fx_file, fixP->fx_line,
+                                 _("address calculation needs a strongly defined nearby symbol"));
+                 }
+               else
+                 {
+                   offsetT v = fixP->fx_where + fixP->fx_frag->fr_address;
+
+                   /* Round up to the next 4-byte boundary.  */
+                   if (v & 3)
+                     v = (v + 3) & ~ 3;
+                   else
+                     v += 4;
+                   v = S_GET_VALUE (fixP->fx_addsy) - v;
+
+                   if (v & ~0x3fc)
+                     {
+                       as_bad_where (fixP->fx_file, fixP->fx_line,
+                                     _("symbol too far away"));
+                     }
+                   else
+                     {
+                       fixP->fx_done = 1;
+                       value = v;
+                     }
+                 }
+             }
+
            if (subtract || value & ~0x3fc)
              as_bad_where (fixP->fx_file, fixP->fx_line,
                            _("invalid immediate for address calculation (value = 0x%08lX)"),
@@ -24950,6 +24989,8 @@ static const struct arm_option_fpu_value_table arm_fpus[] =
   {"crypto-neon-fp-armv8",
                        FPU_ARCH_CRYPTO_NEON_VFP_ARMV8},
   {"neon-fp-armv8.1",  FPU_ARCH_NEON_VFP_ARMV8_1},
+  {"crypto-neon-fp-armv8.1",
+                       FPU_ARCH_CRYPTO_NEON_VFP_ARMV8_1},
   {NULL,               ARM_ARCH_NONE}
 };