RS6000 Add support to print vector register contents as float128

[binutils.git] / gdb / rs6000-tdep.c

diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index b09f63137dc9ca9f8611cb190f81c450aa6ed978..276b4fa55830301acee49db60d0e71d64b6bd826 100644 (file)
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -2355,6 +2355,7 @@ rs6000_builtin_type_vec128 (struct gdbarch *gdbarch)
       /* The type we're building is this
 
         type = union __ppc_builtin_type_vec128 {
+            float128_t float128;
             uint128_t uint128;
             double v2_double[2];
             float v4_float[4];
@@ -2364,10 +2365,15 @@ rs6000_builtin_type_vec128 (struct gdbarch *gdbarch)
         }
       */
 
+      /* PPC specific type for IEEE 128-bit float field */
+      struct type *t_float128
+       = arch_float_type (gdbarch, 128, "float128_t", floatformats_ia64_quad);
+
       struct type *t;
 
       t = arch_composite_type (gdbarch,
                               "__ppc_builtin_type_vec128", TYPE_CODE_UNION);
+      append_composite_type_field (t, "float128", t_float128);
       append_composite_type_field (t, "uint128", bt->builtin_uint128);
       append_composite_type_field (t, "v2_double",
                                   init_vector_type (bt->builtin_double, 2));
@@ -5077,7 +5083,8 @@ ppc_process_record_op31 (struct gdbarch *gdbarch, struct regcache *regcache,
       return 0;
 
     case 1014:         /* Data Cache Block set to Zero */
-      if (target_auxv_search (current_top_target (), AT_DCACHEBSIZE, &at_dcsz) <= 0
+      if (target_auxv_search (current_inferior ()->top_target (),
+                             AT_DCACHEBSIZE, &at_dcsz) <= 0
          || at_dcsz == 0)
        at_dcsz = 128; /* Assume 128-byte cache line size (POWER8)  */