aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--bfd/ChangeLog7
-rw-r--r--bfd/elf32-arm.c95
-rw-r--r--binutils/ChangeLog7
-rw-r--r--binutils/readelf.c8
-rw-r--r--gas/ChangeLog11
-rw-r--r--gas/config/tc-arm.c173
-rw-r--r--gas/testsuite/ChangeLog9
-rw-r--r--gas/testsuite/gas/arm/half-prec-neon.d9
-rw-r--r--gas/testsuite/gas/arm/half-prec-neon.s4
-rw-r--r--gas/testsuite/gas/arm/half-prec-psyntax.d13
-rw-r--r--gas/testsuite/gas/arm/half-prec-psyntax.s7
-rw-r--r--gas/testsuite/gas/arm/half-prec-vfpv3.d71
-rw-r--r--gas/testsuite/gas/arm/half-prec-vfpv3.s68
-rw-r--r--include/elf/ChangeLog4
-rw-r--r--include/elf/arm.h6
-rw-r--r--include/opcode/ChangeLog5
-rw-r--r--include/opcode/arm.h3
-rw-r--r--opcodes/ChangeLog8
-rw-r--r--opcodes/arm-dis.c7
19 files changed, 458 insertions, 57 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 50febf2..bc22555 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+2008-11-18 Catherine Moore <clm@codesourcery.com>
+
+ * elf32-arm.c (elf32_arm_merge_eabi_attributes): Merge
+ half-precision attributes.
+ (elf32_arm_copy_one_eabi_other_attribute): New.
+ (elf32_arm_copy_other_attribute_list): New.
+
2008-11-18 Nick Clifton <nickc@redhat.com>
* dwarf2.c (read_section): Fix formatting.
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index da1ac24..9008a4b 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -8163,6 +8163,33 @@ elf32_arm_obj_attrs_arg_type (int tag)
return (tag & 1) != 0 ? 2 : 1;
}
+static void
+elf32_arm_copy_one_eabi_other_attribute (bfd *ibfd, bfd *obfd, obj_attribute_list *in_list)
+{
+ switch (in_list->tag)
+ {
+ case Tag_VFP_HP_extension:
+ case Tag_ABI_FP_16bit_format:
+ bfd_elf_add_obj_attr_int (obfd, OBJ_ATTR_PROC, in_list->tag, in_list->attr.i);
+ break;
+
+ default:
+ if ((in_list->tag & 127) < 64)
+ {
+ _bfd_error_handler
+ (_("Warning: %B: Unknown EABI object attribute %d"), ibfd, in_list->tag);
+ break;
+ }
+ }
+}
+
+static void
+elf32_arm_copy_eabi_other_attribute_list (bfd *ibfd, bfd *obfd, obj_attribute_list *in_list)
+{
+ for (; in_list; in_list = in_list->next )
+ elf32_arm_copy_one_eabi_other_attribute (ibfd, obfd, in_list);
+}
+
/* Merge EABI object attributes from IBFD into OBFD. Raise an error if there
are conflicting attributes. */
@@ -8172,6 +8199,7 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, bfd *obfd)
obj_attribute *in_attr;
obj_attribute *out_attr;
obj_attribute_list *in_list;
+ obj_attribute_list *out_list;
/* Some tags have 0 = don't care, 1 = strong requirement,
2 = weak requirement. */
static const int order_312[3] = {3, 1, 2};
@@ -8196,7 +8224,7 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, bfd *obfd)
/* This needs to happen before Tag_ABI_FP_number_model is merged. */
if (in_attr[Tag_ABI_VFP_args].i != out_attr[Tag_ABI_VFP_args].i)
{
- /* Ignore mismatches if teh object doesn't use floating point. */
+ /* Ignore mismatches if the object doesn't use floating point. */
if (out_attr[Tag_ABI_FP_number_model].i == 0)
out_attr[Tag_ABI_VFP_args].i = in_attr[Tag_ABI_VFP_args].i;
else if (in_attr[Tag_ABI_FP_number_model].i != 0)
@@ -8362,6 +8390,7 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, bfd *obfd)
return FALSE;
}
break;
+
default: /* All known attributes should be explicitly covered. */
abort ();
}
@@ -8392,15 +8421,67 @@ elf32_arm_merge_eabi_attributes (bfd *ibfd, bfd *obfd)
while (in_list && in_list->tag == Tag_compatibility)
in_list = in_list->next;
- for (; in_list; in_list = in_list->next)
+ out_list = elf_other_obj_attributes_proc (obfd);
+ while (out_list && out_list->tag == Tag_compatibility)
+ out_list = out_list->next;
+
+ for (; in_list != NULL; )
{
- if ((in_list->tag & 128) < 64)
+ if (out_list == NULL)
{
- _bfd_error_handler
- (_("Warning: %B: Unknown EABI object attribute %d"),
- ibfd, in_list->tag);
- break;
+ elf32_arm_copy_eabi_other_attribute_list (ibfd, obfd, in_list);
+ return TRUE;
+ }
+
+ /* The tags for each list are in numerical order. */
+ /* If the tags are equal, then merge. */
+ if (in_list->tag == out_list->tag)
+ {
+ switch (in_list->tag)
+ {
+ case Tag_VFP_HP_extension:
+ if (out_list->attr.i == 0)
+ out_list->attr.i = in_list->attr.i;
+ break;
+
+ case Tag_ABI_FP_16bit_format:
+ if (in_list->attr.i != 0 && out_list->attr.i != 0)
+ {
+ if (in_list->attr.i != out_list->attr.i)
+ {
+ _bfd_error_handler
+ (_("ERROR: fp16 format mismatch between %B and %B"),
+ ibfd, obfd);
+ return FALSE;
+ }
+ }
+ if (in_list->attr.i != 0)
+ out_list->attr.i = in_list->attr.i;
+ break;
+
+ default:
+ if ((in_list->tag & 127) < 64)
+ {
+ _bfd_error_handler
+ (_("Warning: %B: Unknown EABI object attribute %d"), ibfd, in_list->tag);
+ break;
+ }
+ }
+ }
+ else if (in_list->tag < out_list->tag)
+ {
+ /* This attribute is in ibfd, but not obfd. Copy to obfd and advance to
+ next input attribute. */
+ elf32_arm_copy_one_eabi_other_attribute (ibfd, obfd, in_list);
+ }
+ if (in_list->tag <= out_list->tag)
+ {
+ in_list = in_list->next;
+ if (in_list == NULL)
+ continue;
}
+ while (out_list && out_list->tag < in_list->tag)
+ out_list = out_list->next;
}
return TRUE;
}
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 0cff03a..be9455c 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,10 @@
+2008-11-18 Catherine Moore <clm@codesourcery.com>
+
+ * readelf.c (arm_attr_tag_ABI_FP_16bit_format): New.
+ (arm_attr_tag_VFP_HP_extension): New.
+ (arm_attr_public_tag arm_attr_public_tags): Support
+ new attributes.
+
2008-11-17 Nick Clifton <nickc@redhat.com>
* version.c (print_version): Update copyright year.
diff --git a/binutils/readelf.c b/binutils/readelf.c
index ecc54bf..02de84c 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -8784,6 +8784,10 @@ static const char *arm_attr_tag_ABI_optimization_goals[] =
static const char *arm_attr_tag_ABI_FP_optimization_goals[] =
{"None", "Prefer Speed", "Aggressive Speed", "Prefer Size",
"Aggressive Size", "Prefer Accuracy", "Aggressive Accuracy"};
+static const char *arm_attr_tag_VFP_HP_extension[] =
+ {"Not Allowed", "Allowed"};
+static const char *arm_attr_tag_ABI_FP_16bit_format[] =
+ {"None", "IEEE 754", "Alternative Format"};
#define LOOKUP(id, name) \
{id, #name, 0x80 | ARRAY_SIZE(arm_attr_tag_##name), arm_attr_tag_##name}
@@ -8817,7 +8821,9 @@ static arm_attr_public_tag arm_attr_public_tags[] =
LOOKUP(29, ABI_WMMX_args),
LOOKUP(30, ABI_optimization_goals),
LOOKUP(31, ABI_FP_optimization_goals),
- {32, "compatibility", 0, NULL}
+ {32, "compatibility", 0, NULL},
+ LOOKUP(36, VFP_HP_extension),
+ LOOKUP(38, ABI_FP_16bit_format),
};
#undef LOOKUP
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 05b98ff..d65e6c3 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,14 @@
+2008-11-18 Catherine Moore <clm@cm00re.com>
+
+ * config/tc-arm.c (neon_type_mask): Renumber.
+ (type_chk_of_el_type): Handle F_F16.
+ (neon_cvt_flavour): Recognize half-precision conversions.
+ (do_neon_cvt): New shapes NS_QD and
+ NS_DQ. Encode half-precision conversions.
+ (do_neon_cvtt): Encode the T bit.
+ (asm_opcode_insns): vcvt, vcvtt support.
+ (arm_option_cpu_value): Add neon-fp16 support.
+
2008-11-17 Nick Clifton <nickc@redhat.com>
* as.c (parse_args): Update copyright year.
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 325aade..37f8112 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -226,6 +226,7 @@ static const arm_feature_set fpu_vfp_ext_d32 =
static const arm_feature_set fpu_neon_ext_v1 = ARM_FEATURE (0, FPU_NEON_EXT_V1);
static const arm_feature_set fpu_vfp_v3_or_neon_ext =
ARM_FEATURE (0, FPU_NEON_EXT_V1 | FPU_VFP_EXT_V3);
+static const arm_feature_set fpu_neon_fp16 = ARM_FEATURE (0, FPU_NEON_FP16);
static int mfloat_abi_opt = -1;
/* Record user cpu selection for object attributes. */
@@ -10682,36 +10683,37 @@ static struct neon_shape_info neon_shape_tab[] =
enum neon_type_mask
{
- N_S8 = 0x000001,
- N_S16 = 0x000002,
- N_S32 = 0x000004,
- N_S64 = 0x000008,
- N_U8 = 0x000010,
- N_U16 = 0x000020,
- N_U32 = 0x000040,
- N_U64 = 0x000080,
- N_I8 = 0x000100,
- N_I16 = 0x000200,
- N_I32 = 0x000400,
- N_I64 = 0x000800,
- N_8 = 0x001000,
- N_16 = 0x002000,
- N_32 = 0x004000,
- N_64 = 0x008000,
- N_P8 = 0x010000,
- N_P16 = 0x020000,
- N_F32 = 0x040000,
- N_F64 = 0x080000,
- N_KEY = 0x100000, /* key element (main type specifier). */
- N_EQK = 0x200000, /* given operand has the same type & size as the key. */
- N_VFP = 0x400000, /* VFP mode: operand size must match register width. */
- N_DBL = 0x000001, /* if N_EQK, this operand is twice the size. */
- N_HLF = 0x000002, /* if N_EQK, this operand is half the size. */
- N_SGN = 0x000004, /* if N_EQK, this operand is forced to be signed. */
- N_UNS = 0x000008, /* if N_EQK, this operand is forced to be unsigned. */
- N_INT = 0x000010, /* if N_EQK, this operand is forced to be integer. */
- N_FLT = 0x000020, /* if N_EQK, this operand is forced to be float. */
- N_SIZ = 0x000040, /* if N_EQK, this operand is forced to be size-only. */
+ N_S8 = 0x0000001,
+ N_S16 = 0x0000002,
+ N_S32 = 0x0000004,
+ N_S64 = 0x0000008,
+ N_U8 = 0x0000010,
+ N_U16 = 0x0000020,
+ N_U32 = 0x0000040,
+ N_U64 = 0x0000080,
+ N_I8 = 0x0000100,
+ N_I16 = 0x0000200,
+ N_I32 = 0x0000400,
+ N_I64 = 0x0000800,
+ N_8 = 0x0001000,
+ N_16 = 0x0002000,
+ N_32 = 0x0004000,
+ N_64 = 0x0008000,
+ N_P8 = 0x0010000,
+ N_P16 = 0x0020000,
+ N_F16 = 0x0040000,
+ N_F32 = 0x0080000,
+ N_F64 = 0x0100000,
+ N_KEY = 0x1000000, /* key element (main type specifier). */
+ N_EQK = 0x2000000, /* given operand has the same type & size as the key. */
+ N_VFP = 0x4000000, /* VFP mode: operand size must match register width. */
+ N_DBL = 0x0000001, /* if N_EQK, this operand is twice the size. */
+ N_HLF = 0x0000002, /* if N_EQK, this operand is half the size. */
+ N_SGN = 0x0000004, /* if N_EQK, this operand is forced to be signed. */
+ N_UNS = 0x0000008, /* if N_EQK, this operand is forced to be unsigned. */
+ N_INT = 0x0000010, /* if N_EQK, this operand is forced to be integer. */
+ N_FLT = 0x0000020, /* if N_EQK, this operand is forced to be float. */
+ N_SIZ = 0x0000040, /* if N_EQK, this operand is forced to be size-only. */
N_UTYP = 0,
N_MAX_NONSPECIAL = N_F64
};
@@ -10905,6 +10907,7 @@ type_chk_of_el_type (enum neon_el_type type, unsigned size)
case NT_float:
switch (size)
{
+ case 16: return N_F16;
case 32: return N_F32;
case 64: return N_F64;
default: ;
@@ -12598,25 +12601,28 @@ neon_cvt_flavour (enum neon_shape rs)
CVT_VAR (1, N_U32, N_F32);
CVT_VAR (2, N_F32, N_S32);
CVT_VAR (3, N_F32, N_U32);
+ /* Half-precision conversions. */
+ CVT_VAR (4, N_F32, N_F16);
+ CVT_VAR (5, N_F16, N_F32);
whole_reg = N_VFP;
/* VFP instructions. */
- CVT_VAR (4, N_F32, N_F64);
- CVT_VAR (5, N_F64, N_F32);
- CVT_VAR (6, N_S32, N_F64 | key);
- CVT_VAR (7, N_U32, N_F64 | key);
- CVT_VAR (8, N_F64 | key, N_S32);
- CVT_VAR (9, N_F64 | key, N_U32);
+ CVT_VAR (6, N_F32, N_F64);
+ CVT_VAR (7, N_F64, N_F32);
+ CVT_VAR (8, N_S32, N_F64 | key);
+ CVT_VAR (9, N_U32, N_F64 | key);
+ CVT_VAR (10, N_F64 | key, N_S32);
+ CVT_VAR (11, N_F64 | key, N_U32);
/* VFP instructions with bitshift. */
- CVT_VAR (10, N_F32 | key, N_S16);
- CVT_VAR (11, N_F32 | key, N_U16);
- CVT_VAR (12, N_F64 | key, N_S16);
- CVT_VAR (13, N_F64 | key, N_U16);
- CVT_VAR (14, N_S16, N_F32 | key);
- CVT_VAR (15, N_U16, N_F32 | key);
- CVT_VAR (16, N_S16, N_F64 | key);
- CVT_VAR (17, N_U16, N_F64 | key);
+ CVT_VAR (12, N_F32 | key, N_S16);
+ CVT_VAR (13, N_F32 | key, N_U16);
+ CVT_VAR (14, N_F64 | key, N_S16);
+ CVT_VAR (15, N_F64 | key, N_U16);
+ CVT_VAR (16, N_S16, N_F32 | key);
+ CVT_VAR (17, N_U16, N_F32 | key);
+ CVT_VAR (18, N_S16, N_F64 | key);
+ CVT_VAR (19, N_U16, N_F64 | key);
return -1;
#undef CVT_VAR
@@ -12640,6 +12646,8 @@ do_vfp_nsyn_cvt (enum neon_shape rs, int flavour)
"fultos",
NULL,
NULL,
+ NULL,
+ NULL,
"ftosld",
"ftould",
"fsltod",
@@ -12672,6 +12680,8 @@ do_vfp_nsyn_cvt (enum neon_shape rs, int flavour)
"ftouis",
"fsitos",
"fuitos",
+ "NULL",
+ "NULL",
"fcvtsd",
"fcvtds",
"ftosid",
@@ -12701,6 +12711,8 @@ do_vfp_nsyn_cvtz (void)
NULL,
NULL,
NULL,
+ NULL,
+ NULL,
"ftosizd",
"ftouizd"
};
@@ -12708,16 +12720,15 @@ do_vfp_nsyn_cvtz (void)
if (flavour >= 0 && flavour < (int) ARRAY_SIZE (enc) && enc[flavour])
do_vfp_nsyn_opcode (enc[flavour]);
}
-
static void
do_neon_cvt (void)
{
enum neon_shape rs = neon_select_shape (NS_DDI, NS_QQI, NS_FFI, NS_DD, NS_QQ,
- NS_FD, NS_DF, NS_FF, NS_NULL);
+ NS_FD, NS_DF, NS_FF, NS_QD, NS_DQ, NS_NULL);
int flavour = neon_cvt_flavour (rs);
/* VFP rather than Neon conversions. */
- if (flavour >= 4)
+ if (flavour >= 6)
{
do_vfp_nsyn_cvt (rs, flavour);
return;
@@ -12779,6 +12790,36 @@ do_neon_cvt (void)
}
break;
+ /* Half-precision conversions for Advanced SIMD -- neon. */
+ case NS_QD:
+ case NS_DQ:
+
+ if ((rs == NS_DQ)
+ && (inst.vectype.el[0].size != 16 || inst.vectype.el[1].size != 32))
+ {
+ as_bad (_("operand size must match register width"));
+ break;
+ }
+
+ if ((rs == NS_QD)
+ && ((inst.vectype.el[0].size != 32 || inst.vectype.el[1].size != 16)))
+ {
+ as_bad (_("operand size must match register width"));
+ break;
+ }
+
+ if (rs == NS_DQ)
+ inst.instruction = 0x3b60600;
+ else
+ inst.instruction = 0x3b60700;
+
+ inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
+ inst.instruction |= HI1 (inst.operands[0].reg) << 22;
+ inst.instruction |= LOW4 (inst.operands[1].reg);
+ inst.instruction |= HI1 (inst.operands[1].reg) << 5;
+ inst.instruction = neon_dp_fixup (inst.instruction);
+ break;
+
default:
/* Some VFP conversions go here (s32 <-> f32, u32 <-> f32). */
do_vfp_nsyn_cvt (rs, flavour);
@@ -12786,6 +12827,34 @@ do_neon_cvt (void)
}
static void
+do_neon_cvtb (void)
+{
+ inst.instruction = 0xeb20a40;
+
+ /* The sizes are attached to the mnemonic. */
+ if (inst.vectype.el[0].type != NT_invtype
+ && inst.vectype.el[0].size == 16)
+ inst.instruction |= 0x00010000;
+
+ /* Programmer's syntax: the sizes are attached to the operands. */
+ else if (inst.operands[0].vectype.type != NT_invtype
+ && inst.operands[0].vectype.size == 16)
+ inst.instruction |= 0x00010000;
+
+ encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sd);
+ encode_arm_vfp_reg (inst.operands[1].reg, VFP_REG_Sm);
+ do_vfp_cond_or_thumb ();
+}
+
+
+static void
+do_neon_cvtt (void)
+{
+ do_neon_cvtb ();
+ inst.instruction |= 0x80;
+}
+
+static void
neon_move_immediate (void)
{
enum neon_shape rs = neon_select_shape (NS_DI, NS_QI, NS_NULL);
@@ -15950,6 +16019,9 @@ static const struct asm_opcode insns[] =
NCE(vstr, d000b00, 2, (RVSD, ADDRGLDC), neon_ldr_str),
nCEF(vcvt, vcvt, 3, (RNSDQ, RNSDQ, oI32b), neon_cvt),
+ nCEF(vcvtb, vcvt, 2, (RVS, RVS), neon_cvtb),
+ nCEF(vcvtt, vcvt, 2, (RVS, RVS), neon_cvtt),
+
/* NOTE: All VMOV encoding is special-cased! */
NCE(vmov, 0, 1, (VMOV), neon_mov),
@@ -20258,6 +20330,7 @@ static const struct arm_option_cpu_value_table arm_fpus[] =
{"arm1136jf-s", FPU_ARCH_VFP_V2},
{"maverick", FPU_ARCH_MAVERICK},
{"neon", FPU_ARCH_VFP_V3_PLUS_NEON_V1},
+ {"neon-fp16", FPU_ARCH_NEON_FP16},
{NULL, ARM_ARCH_NONE}
};
@@ -20731,9 +20804,11 @@ aeabi_set_public_attributes (void)
|| ARM_CPU_HAS_FEATURE (arm_arch_used, arm_cext_iwmmxt))
bfd_elf_add_proc_attr_int (stdoutput, 11, 1);
/* Tag_NEON_arch. */
- if (ARM_CPU_HAS_FEATURE (thumb_arch_used, fpu_neon_ext_v1)
- || ARM_CPU_HAS_FEATURE (arm_arch_used, fpu_neon_ext_v1))
+ if (ARM_CPU_HAS_FEATURE (flags, fpu_neon_ext_v1))
bfd_elf_add_proc_attr_int (stdoutput, 12, 1);
+ /* Tag_NEON_FP16_arch. */
+ if (ARM_CPU_HAS_FEATURE (flags, fpu_neon_fp16))
+ bfd_elf_add_proc_attr_int (stdoutput, 36, 1);
}
/* Add the default contents for the .ARM.attributes section. */
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 04a9f1d..e6d6949 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,12 @@
+2008-11-18 Catherine Moore <clm@codesourcery.com>
+
+ * gas/arm/half-prec-neon.d: New.
+ * gas/arm/half-prec-neon.s: New.
+ * gas/arm/half-prec-vfp3.d: New.
+ * gas/arm/half-prec-vfp3.s: New.
+ * gas/arm/half-prec-psyntax.d: New.
+ * gas/arm/half-prec-psyntax.s: New.
+
2008-11-12 Hans-Peter Nilsson <hp@axis.com>
* gas/cris/rd-bcnst2-pic.d, gas/cris/rd-bcnst2.d,
diff --git a/gas/testsuite/gas/arm/half-prec-neon.d b/gas/testsuite/gas/arm/half-prec-neon.d
new file mode 100644
index 0000000..11b119e
--- /dev/null
+++ b/gas/testsuite/gas/arm/half-prec-neon.d
@@ -0,0 +1,9 @@
+# objdump: -dr --prefix-addresses --show-raw-insn
+#name: Half-precision neon instructions
+#as: -mfpu=neon-fp16
+
+.*: +file format .*arm.*
+
+.*
+0+0 <[^>]*> f3b60602 vcvt\.f16\.f32 d0, q1
+0+4 <[^>]*> f3b6a706 vcvt\.f32\.f16 q5, d6
diff --git a/gas/testsuite/gas/arm/half-prec-neon.s b/gas/testsuite/gas/arm/half-prec-neon.s
new file mode 100644
index 0000000..30cdb07
--- /dev/null
+++ b/gas/testsuite/gas/arm/half-prec-neon.s
@@ -0,0 +1,4 @@
+ .text
+
+ vcvt.f16.f32 d0, q1
+ vcvt.f32.f16 q5, d6
diff --git a/gas/testsuite/gas/arm/half-prec-psyntax.d b/gas/testsuite/gas/arm/half-prec-psyntax.d
new file mode 100644
index 0000000..71e4174
--- /dev/null
+++ b/gas/testsuite/gas/arm/half-prec-psyntax.d
@@ -0,0 +1,13 @@
+# objdump: -dr --prefix-addresses --show-raw-insn
+#name: Half-precision instructions (programmer's syntax)
+#as: -mfpu=neon-fp16
+
+.*: +file format .*arm.*
+
+.*
+0+00 <[^>]*> f3b60602 vcvt\.f16\.f32 d0, q1
+0+04 <[^>]*> f3b6a706 vcvt\.f32\.f16 q5, d6
+0+08 <[^>]*> eeb21ae2 vcvtt\.f32\.f16 s2, s5
+0+0c <[^>]*> eeb21a62 vcvtb\.f32\.f16 s2, s5
+0+10 <[^>]*> eeb31ae2 vcvtt\.f16\.f32 s2, s5
+0+14 <[^>]*> eeb31a62 vcvtb\.f16\.f32 s2, s5
diff --git a/gas/testsuite/gas/arm/half-prec-psyntax.s b/gas/testsuite/gas/arm/half-prec-psyntax.s
new file mode 100644
index 0000000..85e5224
--- /dev/null
+++ b/gas/testsuite/gas/arm/half-prec-psyntax.s
@@ -0,0 +1,7 @@
+ .text
+ vcvt d0.f16, q1.f32
+ vcvt q5.f32, d6.f16
+ vcvtt s2.f32, s5.f16
+ vcvtb s2.f32, s5.f16
+ vcvtt s2.f16, s5.f32
+ vcvtb s2.f16, s5.f32
diff --git a/gas/testsuite/gas/arm/half-prec-vfpv3.d b/gas/testsuite/gas/arm/half-prec-vfpv3.d
new file mode 100644
index 0000000..5bd9f30
--- /dev/null
+++ b/gas/testsuite/gas/arm/half-prec-vfpv3.d
@@ -0,0 +1,71 @@
+#objdump: -d --prefix-addresses --show-raw-insn
+#name: Half-precision vfpv3 instructions
+#as: -mfpu=neon-fp16
+
+.*: +file format .*arm.*
+
+.*
+0+000 <[^>]*> eeb20ae0 vcvtt.f32.f16 s0, s1
+0+004 <[^>]*> 0eb21ae1 vcvtteq.f32.f16 s2, s3
+0+008 <[^>]*> 1eb21ae1 vcvttne.f32.f16 s2, s3
+0+00c <[^>]*> 2eb21ae1 vcvttcs.f32.f16 s2, s3
+0+010 <[^>]*> 3eb21ae1 vcvttcc.f32.f16 s2, s3
+0+014 <[^>]*> 4eb21ae1 vcvttmi.f32.f16 s2, s3
+0+018 <[^>]*> 5eb21ae1 vcvttpl.f32.f16 s2, s3
+0+01c <[^>]*> 6eb21ae1 vcvttvs.f32.f16 s2, s3
+0+020 <[^>]*> 7eb21ae1 vcvttvc.f32.f16 s2, s3
+0+024 <[^>]*> 8eb21ae1 vcvtthi.f32.f16 s2, s3
+0+028 <[^>]*> 9eb21ae1 vcvttls.f32.f16 s2, s3
+0+02c <[^>]*> aeb21ae1 vcvttge.f32.f16 s2, s3
+0+030 <[^>]*> beb21ae1 vcvttlt.f32.f16 s2, s3
+0+034 <[^>]*> ceb21ae1 vcvttgt.f32.f16 s2, s3
+0+038 <[^>]*> deb21ae1 vcvttle.f32.f16 s2, s3
+0+03c <[^>]*> eeb21ae1 vcvtt.f32.f16 s2, s3
+0+040 <[^>]*> eeb30ae0 vcvtt.f16.f32 s0, s1
+0+044 <[^>]*> 0eb31ae1 vcvtteq.f16.f32 s2, s3
+0+048 <[^>]*> 1eb31ae1 vcvttne.f16.f32 s2, s3
+0+04c <[^>]*> 2eb31ae1 vcvttcs.f16.f32 s2, s3
+0+050 <[^>]*> 3eb31ae1 vcvttcc.f16.f32 s2, s3
+0+054 <[^>]*> 4eb31ae1 vcvttmi.f16.f32 s2, s3
+0+058 <[^>]*> 5eb31ae1 vcvttpl.f16.f32 s2, s3
+0+05c <[^>]*> 6eb31ae1 vcvttvs.f16.f32 s2, s3
+0+060 <[^>]*> 7eb31ae1 vcvttvc.f16.f32 s2, s3
+0+064 <[^>]*> 8eb31ae1 vcvtthi.f16.f32 s2, s3
+0+068 <[^>]*> 9eb31ae1 vcvttls.f16.f32 s2, s3
+0+06c <[^>]*> aeb31ae1 vcvttge.f16.f32 s2, s3
+0+070 <[^>]*> beb31ae1 vcvttlt.f16.f32 s2, s3
+0+074 <[^>]*> ceb31ae1 vcvttgt.f16.f32 s2, s3
+0+078 <[^>]*> deb31ae1 vcvttle.f16.f32 s2, s3
+0+07c <[^>]*> eeb31ae1 vcvtt.f16.f32 s2, s3
+0+080 <[^>]*> eeb20a60 vcvtb.f32.f16 s0, s1
+0+084 <[^>]*> 0eb21a61 vcvtbeq.f32.f16 s2, s3
+0+088 <[^>]*> 1eb21a61 vcvtbne.f32.f16 s2, s3
+0+08c <[^>]*> 2eb21a61 vcvtbcs.f32.f16 s2, s3
+0+090 <[^>]*> 3eb21a61 vcvtbcc.f32.f16 s2, s3
+0+094 <[^>]*> 4eb21a61 vcvtbmi.f32.f16 s2, s3
+0+098 <[^>]*> 5eb21a61 vcvtbpl.f32.f16 s2, s3
+0+09c <[^>]*> 6eb21a61 vcvtbvs.f32.f16 s2, s3
+0+0a0 <[^>]*> 7eb21a61 vcvtbvc.f32.f16 s2, s3
+0+0a4 <[^>]*> 8eb21a61 vcvtbhi.f32.f16 s2, s3
+0+0a8 <[^>]*> 9eb21a61 vcvtbls.f32.f16 s2, s3
+0+0ac <[^>]*> aeb21a61 vcvtbge.f32.f16 s2, s3
+0+0b0 <[^>]*> beb21a61 vcvtblt.f32.f16 s2, s3
+0+0b4 <[^>]*> ceb21a61 vcvtbgt.f32.f16 s2, s3
+0+0b8 <[^>]*> deb21a61 vcvtble.f32.f16 s2, s3
+0+0bc <[^>]*> eeb21a61 vcvtb.f32.f16 s2, s3
+0+0c0 <[^>]*> eeb30a60 vcvtb.f16.f32 s0, s1
+0+0c4 <[^>]*> 0eb31a61 vcvtbeq.f16.f32 s2, s3
+0+0c8 <[^>]*> 1eb31a61 vcvtbne.f16.f32 s2, s3
+0+0cc <[^>]*> 2eb31a61 vcvtbcs.f16.f32 s2, s3
+0+0d0 <[^>]*> 3eb31a61 vcvtbcc.f16.f32 s2, s3
+0+0d4 <[^>]*> 4eb31a61 vcvtbmi.f16.f32 s2, s3
+0+0d8 <[^>]*> 5eb31a61 vcvtbpl.f16.f32 s2, s3
+0+0dc <[^>]*> 6eb31a61 vcvtbvs.f16.f32 s2, s3
+0+0e0 <[^>]*> 7eb31a61 vcvtbvc.f16.f32 s2, s3
+0+0e4 <[^>]*> 8eb31a61 vcvtbhi.f16.f32 s2, s3
+0+0e8 <[^>]*> 9eb31a61 vcvtbls.f16.f32 s2, s3
+0+0ec <[^>]*> aeb31a61 vcvtbge.f16.f32 s2, s3
+0+0f0 <[^>]*> beb31a61 vcvtblt.f16.f32 s2, s3
+0+0f4 <[^>]*> ceb31a61 vcvtbgt.f16.f32 s2, s3
+0+0f8 <[^>]*> deb31a61 vcvtble.f16.f32 s2, s3
+0+0fc <[^>]*> eeb31a61 vcvtb.f16.f32 s2, s3
diff --git a/gas/testsuite/gas/arm/half-prec-vfpv3.s b/gas/testsuite/gas/arm/half-prec-vfpv3.s
new file mode 100644
index 0000000..acd1508
--- /dev/null
+++ b/gas/testsuite/gas/arm/half-prec-vfpv3.s
@@ -0,0 +1,68 @@
+ .text
+ vcvtt.f32.f32 s0, s1
+ vcvtteq.f32.f32 s2, s3
+ vcvttne.f32.f32 s2, s3
+ vcvttcs.f32.f32 s2, s3
+ vcvttcc.f32.f32 s2, s3
+ vcvttmi.f32.f32 s2, s3
+ vcvttpl.f32.f32 s2, s3
+ vcvttvs.f32.f32 s2, s3
+ vcvttvc.f32.f32 s2, s3
+ vcvtthi.f32.f32 s2, s3
+ vcvttls.f32.f32 s2, s3
+ vcvttge.f32.f32 s2, s3
+ vcvttlt.f32.f32 s2, s3
+ vcvttgt.f32.f32 s2, s3
+ vcvttle.f32.f32 s2, s3
+ vcvttal.f32.f32 s2, s3
+
+ vcvtt.f16.f32 s0, s1
+ vcvtteq.f16.f32 s2, s3
+ vcvttne.f16.f32 s2, s3
+ vcvttcs.f16.f32 s2, s3
+ vcvttcc.f16.f32 s2, s3
+ vcvttmi.f16.f32 s2, s3
+ vcvttpl.f16.f32 s2, s3
+ vcvttvs.f16.f32 s2, s3
+ vcvttvc.f16.f32 s2, s3
+ vcvtthi.f16.f32 s2, s3
+ vcvttls.f16.f32 s2, s3
+ vcvttge.f16.f32 s2, s3
+ vcvttlt.f16.f32 s2, s3
+ vcvttgt.f16.f32 s2, s3
+ vcvttle.f16.f32 s2, s3
+ vcvttal.f16.f32 s2, s3
+
+ vcvtb.f32.f32 s0, s1
+ vcvtbeq.f32.f32 s2, s3
+ vcvtbne.f32.f32 s2, s3
+ vcvtbcs.f32.f32 s2, s3
+ vcvtbcc.f32.f32 s2, s3
+ vcvtbmi.f32.f32 s2, s3
+ vcvtbpl.f32.f32 s2, s3
+ vcvtbvs.f32.f32 s2, s3
+ vcvtbvc.f32.f32 s2, s3
+ vcvtbhi.f32.f32 s2, s3
+ vcvtbls.f32.f32 s2, s3
+ vcvtbge.f32.f32 s2, s3
+ vcvtblt.f32.f32 s2, s3
+ vcvtbgt.f32.f32 s2, s3
+ vcvtble.f32.f32 s2, s3
+ vcvtbal.f32.f32 s2, s3
+
+ vcvtb.f16.f32 s0, s1
+ vcvtbeq.f16.f32 s2, s3
+ vcvtbne.f16.f32 s2, s3
+ vcvtbcs.f16.f32 s2, s3
+ vcvtbcc.f16.f32 s2, s3
+ vcvtbmi.f16.f32 s2, s3
+ vcvtbpl.f16.f32 s2, s3
+ vcvtbvs.f16.f32 s2, s3
+ vcvtbvc.f16.f32 s2, s3
+ vcvtbhi.f16.f32 s2, s3
+ vcvtbls.f16.f32 s2, s3
+ vcvtbge.f16.f32 s2, s3
+ vcvtblt.f16.f32 s2, s3
+ vcvtbgt.f16.f32 s2, s3
+ vcvtble.f16.f32 s2, s3
+ vcvtbal.f16.f32 s2, s3
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 3cfc24f..c9aa86d 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,7 @@
+2008-11-18 Catherine Moore <clm@codesourcery.com>
+
+ * arm.h (Tag_ABI_FP_16bit_format): Define.
+
2008-11-14 Nathan Sidwell <nathan@codesourcery.com>
* internal.h (struct elf_segment_map): Add header_size field.
diff --git a/include/elf/arm.h b/include/elf/arm.h
index af623f1..ade479c 100644
--- a/include/elf/arm.h
+++ b/include/elf/arm.h
@@ -272,6 +272,12 @@ enum
Tag_ABI_optimization_goals,
Tag_ABI_FP_optimization_goals,
/* 32 is generic. */
+ Tag_undefined33 = 33,
+ Tag_CPU_unaligned_access,
+ Tag_undefined35,
+ Tag_VFP_HP_extension,
+ Tag_undefined37,
+ Tag_ABI_FP_16bit_format = 38,
};
#endif
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 33719b5..b64a8b6 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,8 @@
+2008-11-18 Catherine Moore <clm@codesourcery.com>
+
+ * arm.h (FPU_NEON_FP16): New.
+ (FPU_ARCH_NEON_FP16): New.
+
2008-11-06 Chao-ying Fu <fu@mips.com>
* mips.h: Doucument '1' for 5-bit sync type.
diff --git a/include/opcode/arm.h b/include/opcode/arm.h
index 11cab3e..a639a8b 100644
--- a/include/opcode/arm.h
+++ b/include/opcode/arm.h
@@ -65,6 +65,7 @@
#define FPU_VFP_EXT_V3 0x01000000 /* VFPv3 insns. */
#define FPU_NEON_EXT_V1 0x00800000 /* Neon (SIMD) insns. */
#define FPU_VFP_EXT_D32 0x00400000 /* Registers D16-D31. */
+#define FPU_NEON_FP16 0x00200000 /* Half-precision extensions. */
/* Architectures are the sum of the base and extensions. The ARM ARM (rev E)
defines the following: ARMv3, ARMv3M, ARMv4xM, ARMv4, ARMv4TxM, ARMv4T,
@@ -139,6 +140,8 @@
#define FPU_ARCH_NEON_V1 ARM_FEATURE (0, FPU_NEON_EXT_V1)
#define FPU_ARCH_VFP_V3_PLUS_NEON_V1 \
ARM_FEATURE (0, FPU_VFP_V3 | FPU_NEON_EXT_V1)
+#define FPU_ARCH_NEON_FP16 \
+ ARM_FEATURE (0, FPU_VFP_V3 | FPU_NEON_EXT_V1 | FPU_NEON_FP16)
#define FPU_ARCH_VFP_HARD ARM_FEATURE (0, FPU_VFP_HARD)
#define FPU_ARCH_ENDIAN_PURE ARM_FEATURE (0, FPU_ENDIAN_PURE)
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index ee6bd10..2d8f214 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,11 @@
+2008-11-18 Catherine Moore <clm@codesourcery.com>
+
+ * arm-dis.c (coprocessor_opcodes): Add half-precision vcvt
+ instructions.
+ (neon_opcodes): Likewise.
+ (print_insn_coprocessor): Print 't' or 'b' for vcvt
+ instructions.
+
2008-11-14 Tristan Gingold <gingold@adacore.com>
* makefile.vms (OBJS): Update list of objects.
diff --git a/opcodes/arm-dis.c b/opcodes/arm-dis.c
index 155e495..1be7bbc 100644
--- a/opcodes/arm-dis.c
+++ b/opcodes/arm-dis.c
@@ -264,6 +264,9 @@ static const struct opcode32 coprocessor_opcodes[] =
{FPU_NEON_EXT_V1, 0x0e100b30, 0x0f500f30, "vmov%c.%23?us16\t%12-15r, %16-19,7D[%6,21d]"},
{FPU_NEON_EXT_V1, 0x0e400b10, 0x0fd00f10, "vmov%c.8\t%16-19,7D[%5,6,21d], %12-15r"},
{FPU_NEON_EXT_V1, 0x0e500b10, 0x0f500f10, "vmov%c.%23?us8\t%12-15r, %16-19,7D[%5,6,21d]"},
+ /* Half-precision conversion instructions. */
+ {FPU_NEON_FP16, 0x0eb20a40, 0x0fbf0f50, "vcvt%7?tb%c.f32.f16\t%y1, %y0"},
+ {FPU_NEON_FP16, 0x0eb30a40, 0x0fbf0f50, "vcvt%7?tb%c.f16.f32\t%y1, %y0"},
/* Floating point coprocessor (VFP) instructions */
{FPU_VFP_EXT_V1xD, 0x0ef1fa10, 0x0fffffff, "fmstat%c"},
@@ -504,6 +507,10 @@ static const struct opcode32 neon_opcodes[] =
{FPU_NEON_EXT_V1, 0xf3b00800, 0xffb00c50, "vtbl%c.8\t%12-15,22D, %F, %0-3,5D"},
{FPU_NEON_EXT_V1, 0xf3b00840, 0xffb00c50, "vtbx%c.8\t%12-15,22D, %F, %0-3,5D"},
+ /* Half-precision conversions. */
+ {FPU_NEON_FP16, 0xf3b60600, 0xffbf0fd0, "vcvt%c.f16.f32\t%12-15,22D, %0-3,5Q"},
+ {FPU_NEON_FP16, 0xf3b60700, 0xffbf0fd0, "vcvt%c.f32.f16\t%12-15,22Q, %0-3,5D"},
+
/* Two registers, miscellaneous */
{FPU_NEON_EXT_V1, 0xf2880a10, 0xfebf0fd0, "vmovl%c.%24?us8\t%12-15,22Q, %0-3,5D"},
{FPU_NEON_EXT_V1, 0xf2900a10, 0xfebf0fd0, "vmovl%c.%24?us16\t%12-15,22Q, %0-3,5D"},
generated by cgit v1.1 at 2024-12-11 09:57:07 +0000