[PATCH 1/57][Arm][GAS]: Add support for +mve and +mve.fp

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

diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 20a2dee1aaa1660fbda62d8aa8d9551d929352b5..d68e3e05d3ea1855408292076e263a21342f3328 100644 (file)
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -302,6 +302,10 @@ static const arm_feature_set fpu_neon_ext_v1 =
   ARM_FEATURE_COPROC (FPU_NEON_EXT_V1);
 static const arm_feature_set fpu_vfp_v3_or_neon_ext =
   ARM_FEATURE_COPROC (FPU_NEON_EXT_V1 | FPU_VFP_EXT_V3);
+static const arm_feature_set mve_ext =
+  ARM_FEATURE_COPROC (FPU_MVE);
+static const arm_feature_set mve_fp_ext =
+  ARM_FEATURE_COPROC (FPU_MVE_FP);
 #ifdef OBJ_ELF
 static const arm_feature_set fpu_vfp_fp16 =
   ARM_FEATURE_COPROC (FPU_VFP_EXT_FP16);
@@ -528,9 +532,6 @@ const char * fp_const[] =
   "0.0", "1.0", "2.0", "3.0", "4.0", "5.0", "0.5", "10.0", 0
 };
 
-/* Number of littlenums required to hold an extended precision number. */
-#define MAX_LITTLENUMS 6
-
 LITTLENUM_TYPE fp_values[NUM_FLOAT_VALS][MAX_LITTLENUMS];
 
 #define FAIL   (-1)
@@ -4746,7 +4747,7 @@ s_arm_eabi_attribute (int ignored ATTRIBUTE_UNUSED)
 {
   int tag = obj_elf_vendor_attribute (OBJ_ATTR_PROC);
 
-  if (tag < NUM_KNOWN_OBJ_ATTRIBUTES)
+  if (tag >= 0 && tag < NUM_KNOWN_OBJ_ATTRIBUTES)
     attributes_set_explicitly[tag] = 1;
 }
 
@@ -23436,7 +23437,7 @@ arm_tc_equal_in_insn (int c ATTRIBUTE_UNUSED, char * name)
            already_warned = hash_new ();
          /* Only warn about the symbol once.  To keep the code
             simple we let hash_insert do the lookup for us.  */
-         if (hash_insert (already_warned, name, NULL) == NULL)
+         if (hash_insert (already_warned, nbuf, NULL) == NULL)
            as_warn (_("[-mwarn-syms]: Assignment makes a symbol match an ARM instruction: %s"), name);
        }
       else
@@ -27251,6 +27252,12 @@ static const struct arm_ext_table armv8_1m_main_ext_table[] =
   ARM_ADD ("fp.dp",
           ARM_FEATURE (0, ARM_EXT2_FP16_INST,
                        FPU_VFP_V5D16 | FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA)),
+  ARM_EXT ("mve", ARM_FEATURE_COPROC (FPU_MVE),
+          ARM_FEATURE_COPROC (FPU_MVE | FPU_MVE_FP)),
+  ARM_ADD ("mve.fp",
+          ARM_FEATURE (0, ARM_EXT2_FP16_INST,
+                       FPU_MVE | FPU_MVE_FP | FPU_VFP_V5_SP_D16 |
+                       FPU_VFP_EXT_FP16 | FPU_VFP_EXT_FMA)),
   { NULL, 0, ARM_ARCH_NONE, ARM_ARCH_NONE }
 };
 
@@ -28428,6 +28435,11 @@ aeabi_set_public_attributes (void)
        }
     }
 
+  if (ARM_CPU_HAS_FEATURE (flags, mve_fp_ext))
+    aeabi_set_attribute_int (Tag_MVE_arch, 2);
+  else if (ARM_CPU_HAS_FEATURE (flags, mve_ext))
+    aeabi_set_attribute_int (Tag_MVE_arch, 1);
+
   /* Tag_VFP_HP_extension (formerly Tag_NEON_FP16_arch).  */
   if (ARM_CPU_HAS_FEATURE (flags, fpu_vfp_fp16) && fp16_optional)
     aeabi_set_attribute_int (Tag_VFP_HP_extension, 1);
@@ -28769,6 +28781,7 @@ arm_convert_symbolic_attribute (const char *name)
       T (Tag_T2EE_use),
       T (Tag_Virtualization_use),
       T (Tag_DSP_extension),
+      T (Tag_MVE_arch),
       /* We deliberately do not include Tag_MPextension_use_legacy.  */
 #undef T
     };