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re PR target/65837 ([arm-linux-gnueabihf] lto1 target specific builtin not available) 

2015-11-13  Christian Bruel  <christian.bruel@st.com>

	PR target/65837
	* config/arm/arm.c (arm_option_override): Move NEON check...
	(arm_option_check_internal): here
	(arm_file_start): Move .fpu print...
	(arm_declare_function_name): here
	(arm_option_print): Dump current fpu name.
	* config/arm/arm.opt (arm_fpu_index): Mark Save.

From-SVN: r230327
This commit is contained in:
Christian Bruel 2015-11-13 16:19:19 +01:00 committed by Christian Bruel
parent e5b2900e37
commit 1596d018c5
3 changed files with 28 additions and 20 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2015-11-13 Christian Bruel <christian.bruel@st.com>
PR target/65837
* config/arm/arm.c (arm_option_override): Move NEON check...
(arm_option_check_internal): here
(arm_file_start): Move .fpu print...
(arm_declare_function_name): here
(arm_option_print): Dump current fpu name.
* config/arm/arm.opt (arm_fpu_index): Mark Save.
2015-11-13 Segher Boessenkool <segher@kernel.crashing.org>
Kyrylo Tkachov <kyrylo.tkachov@arm.com>

36
gcc/config/arm/arm.c
View File

@ -2704,6 +2704,12 @@ static void
arm_option_check_internal (struct gcc_options *opts)
{
int flags = opts->x_target_flags;
const struct arm_fpu_desc *fpu_desc = &all_fpus[opts->x_arm_fpu_index];
/* iWMMXt and NEON are incompatible. */
if (TARGET_IWMMXT && TARGET_VFP
&& ARM_FPU_FSET_HAS (fpu_desc->features, FPU_FL_NEON))
error ("iWMMXt and NEON are incompatible");
/* Make sure that the processor choice does not conflict with any of the
other command line choices. */
@ -3154,10 +3160,6 @@ arm_option_override (void)
error ("AAPCS does not support -mcallee-super-interworking");
}
/* iWMMXt and NEON are incompatible. */
if (TARGET_IWMMXT && TARGET_NEON)
error ("iWMMXt and NEON are incompatible");
/* __fp16 support currently assumes the core has ldrh. */
if (!arm_arch4 && arm_fp16_format != ARM_FP16_FORMAT_NONE)
sorry ("__fp16 and no ldrh");
@ -25867,7 +25869,6 @@ arm_file_start (void)
if (TARGET_BPABI)
{
const char *fpu_name;
if (arm_selected_arch)
{
/* armv7ve doesn't support any extensions. */
@ -25911,23 +25912,14 @@ arm_file_start (void)
if (print_tune_info)
arm_print_tune_info ();
if (TARGET_SOFT_FLOAT)
if (! TARGET_SOFT_FLOAT && TARGET_VFP)
{
fpu_name = "softvfp";
}
else
{
fpu_name = arm_fpu_desc->name;
if (arm_fpu_desc->model == ARM_FP_MODEL_VFP)
{
if (TARGET_HARD_FLOAT && TARGET_VFP_SINGLE)
arm_emit_eabi_attribute ("Tag_ABI_HardFP_use", 27, 1);
if (TARGET_HARD_FLOAT && TARGET_VFP_SINGLE)
arm_emit_eabi_attribute ("Tag_ABI_HardFP_use", 27, 1);
if (TARGET_HARD_FLOAT_ABI)
arm_emit_eabi_attribute ("Tag_ABI_VFP_args", 28, 1);
}
if (TARGET_HARD_FLOAT_ABI)
arm_emit_eabi_attribute ("Tag_ABI_VFP_args", 28, 1);
}
asm_fprintf (asm_out_file, "\t.fpu %s\n", fpu_name);
/* Some of these attributes only apply when the corresponding features
are used. However we don't have any easy way of figuring this out.
@ -29766,11 +29758,14 @@ static void
arm_option_print (FILE *file, int indent, struct cl_target_option *ptr)
{
int flags = ptr->x_target_flags;
const struct arm_fpu_desc *fpu_desc = &all_fpus[ptr->x_arm_fpu_index];
fprintf (file, "%*sselected arch %s\n", indent, "",
TARGET_THUMB2_P (flags) ? "thumb2" :
TARGET_THUMB_P (flags) ? "thumb1" :
"arm");
fprintf (file, "%*sselected fpu %s\n", indent, "", fpu_desc->name);
}
/* Hook to determine if one function can safely inline another. */
@ -29979,6 +29974,9 @@ arm_declare_function_name (FILE *stream, const char *name, tree decl)
else
fprintf (stream, "\t.arm\n");
asm_fprintf (asm_out_file, "\t.fpu %s\n", TARGET_SOFT_FLOAT
? "softvfp" : arm_fpu_desc->name);
if (TARGET_POKE_FUNCTION_NAME)
arm_poke_function_name (stream, (const char *) name);
}

2
gcc/config/arm/arm.opt
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@ -144,7 +144,7 @@ EnumValue
Enum(arm_fp16_format_type) String(alternative) Value(ARM_FP16_FORMAT_ALTERNATIVE)
mfpu=
Target RejectNegative Joined Enum(arm_fpu) Var(arm_fpu_index)
Target RejectNegative Joined Enum(arm_fpu) Var(arm_fpu_index) Save
Specify the name of the target floating point hardware/format.
mhard-float