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arm.c (arm_file_start): New function. 

2006-11-03  Paul Brook  <paul@codesourcery.com>

	gcc/
	* config/arm/arm.c (arm_file_start): New function.
	(TARGET_ASM_FILE_START): Define.
	(arm_default_cpu): New variable.
	(arm_override_options): Set arm_default_cpu.

From-SVN: r118461
This commit is contained in:
Paul Brook 2006-11-03 17:49:43 +00:00 committed by Paul Brook
parent 88c22d094e
commit 6c6aa1afed
2 changed files with 116 additions and 1 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2006-11-03 Paul Brook <paul@codesourcery.com>
gcc/
* config/arm/arm.c (arm_file_start): New function.
(TARGET_ASM_FILE_START): Define.
(arm_default_cpu): New variable.
(arm_override_options): Set arm_default_cpu.
2006-11-03 David Ung <davidu@mips.com>
* config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add

109
gcc/config/arm/arm.c
View File

@ -154,6 +154,7 @@ static void arm_encode_section_info (tree, rtx, int);
#endif
static void arm_file_end (void);
static void arm_file_start (void);
#ifdef AOF_ASSEMBLER
static void aof_globalize_label (FILE *, const char *);
@ -202,6 +203,9 @@ static bool arm_tls_symbol_p (rtx x);
#undef TARGET_ATTRIBUTE_TABLE
#define TARGET_ATTRIBUTE_TABLE arm_attribute_table
#undef TARGET_ASM_FILE_START
#define TARGET_ASM_FILE_START arm_file_start
#undef TARGET_ASM_FILE_END
#define TARGET_ASM_FILE_END arm_file_end
@ -390,6 +394,9 @@ rtx arm_compare_op0, arm_compare_op1;
/* The processor for which instructions should be scheduled. */
enum processor_type arm_tune = arm_none;
/* The default processor used if not overriden by commandline. */
static enum processor_type arm_default_cpu = arm_none;
/* Which floating point model to use. */
enum arm_fp_model arm_fp_model;
@ -1020,8 +1027,9 @@ arm_override_options (void)
insn_flags = sel->flags;
}
sprintf (arm_arch_name, "__ARM_ARCH_%s__", sel->arch);
arm_default_cpu = (enum processor_type) (sel - all_cores);
if (arm_tune == arm_none)
arm_tune = (enum processor_type) (sel - all_cores);
arm_tune = arm_default_cpu;
}
/* The processor for which we should tune should now have been
@ -14412,6 +14420,105 @@ arm_asm_output_labelref (FILE *stream, const char *name)
asm_fprintf (stream, "%U%s", name);
}
static void
arm_file_start (void)
{
int val;
if (TARGET_BPABI)
{
const char *fpu_name;
if (arm_select[0].string)
asm_fprintf (asm_out_file, "\t.cpu %s\n", arm_select[0].string);
else if (arm_select[1].string)
asm_fprintf (asm_out_file, "\t.arch %s\n", arm_select[1].string);
else
asm_fprintf (asm_out_file, "\t.cpu %s\n",
all_cores[arm_default_cpu].name);
if (TARGET_SOFT_FLOAT)
{
if (TARGET_VFP)
fpu_name = "softvfp";
else
fpu_name = "softfpa";
}
else
{
switch (arm_fpu_arch)
{
case FPUTYPE_FPA:
fpu_name = "fpa";
break;
case FPUTYPE_FPA_EMU2:
fpu_name = "fpe2";
break;
case FPUTYPE_FPA_EMU3:
fpu_name = "fpe3";
break;
case FPUTYPE_MAVERICK:
fpu_name = "maverick";
break;
case FPUTYPE_VFP:
if (TARGET_HARD_FLOAT)
asm_fprintf (asm_out_file, "\t.eabi_attribute 27, 3\n");
if (TARGET_HARD_FLOAT_ABI)
asm_fprintf (asm_out_file, "\t.eabi_attribute 28, 1\n");
fpu_name = "vfp";
break;
default:
abort();
}
}
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.
Conservatively record the setting that would have been used. */
/* Tag_ABI_PCS_wchar_t. */
asm_fprintf (asm_out_file, "\t.eabi_attribute 18, %d\n",
(int)WCHAR_TYPE_SIZE / BITS_PER_UNIT);
/* Tag_ABI_FP_rounding. */
if (flag_rounding_math)
asm_fprintf (asm_out_file, "\t.eabi_attribute 19, 1\n");
if (!flag_unsafe_math_optimizations)
{
/* Tag_ABI_FP_denomal. */
asm_fprintf (asm_out_file, "\t.eabi_attribute 20, 1\n");
/* Tag_ABI_FP_exceptions. */
asm_fprintf (asm_out_file, "\t.eabi_attribute 21, 1\n");
}
/* Tag_ABI_FP_user_exceptions. */
if (flag_signaling_nans)
asm_fprintf (asm_out_file, "\t.eabi_attribute 22, 1\n");
/* Tag_ABI_FP_number_model. */
asm_fprintf (asm_out_file, "\t.eabi_attribute 23, %d\n",
flag_finite_math_only ? 1 : 3);
/* Tag_ABI_align8_needed. */
asm_fprintf (asm_out_file, "\t.eabi_attribute 24, 1\n");
/* Tag_ABI_align8_preserved. */
asm_fprintf (asm_out_file, "\t.eabi_attribute 25, 1\n");
/* Tag_ABI_enum_size. */
asm_fprintf (asm_out_file, "\t.eabi_attribute 26, %d\n",
flag_short_enums ? 1 : 2);
/* Tag_ABI_optimization_goals. */
if (optimize_size)
val = 4;
else if (optimize >= 2)
val = 2;
else if (optimize)
val = 1;
else
val = 6;
asm_fprintf (asm_out_file, "\t.eabi_attribute 30, %d\n", val);
}
default_file_start();
}
static void
arm_file_end (void)
{