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i386.c (ix86_scalar_mode_supported_p): New.

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* config/i386/i386.c (ix86_scalar_mode_supported_p): New.
	(TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
	(classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
	(ix86_return_in_memory): Handle TDmode.
	(ix86_libcall_value): Handle SDmode, DDmode, TDmode.
	(ix86_value_regno): Return non-TDmode decimal float modes in %eax.

From-SVN: r110684
This commit is contained in:
Ben Elliston 2006-02-07 02:28:56 +00:00 • committed by Ben Elliston
parent 5fd231d2c7
commit a81083b271
2 changed files with 41 additions and 0 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2006-02-07 Ben Elliston <bje@au.ibm.com>
* config/i386/i386.c (ix86_scalar_mode_supported_p): New.
(TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
(classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
(ix86_return_in_memory): Handle TDmode.
(ix86_libcall_value): Handle SDmode, DDmode, TDmode.
(ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2006-02-06 Richard Sandiford <richard@codesourcery.com>
* reorg.c (dbr_schedule): Use dump_file instead of file.

32
gcc/config/i386/i386.c
View file

@ -1099,6 +1099,7 @@ static tree ix86_build_builtin_va_list (void);
static void ix86_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode,
tree, int *, int);
static tree ix86_gimplify_va_arg (tree, tree, tree *, tree *);
static bool ix86_scalar_mode_supported_p (enum machine_mode);
static bool ix86_vector_mode_supported_p (enum machine_mode);
static int ix86_address_cost (rtx);
@ -1327,6 +1328,9 @@ static section *x86_64_elf_select_section (tree decl, int reloc,
#undef TARGET_GIMPLIFY_VA_ARG_EXPR
#define TARGET_GIMPLIFY_VA_ARG_EXPR ix86_gimplify_va_arg
#undef TARGET_SCALAR_MODE_SUPPORTED_P
#define TARGET_SCALAR_MODE_SUPPORTED_P ix86_scalar_mode_supported_p
#undef TARGET_VECTOR_MODE_SUPPORTED_P
#define TARGET_VECTOR_MODE_SUPPORTED_P ix86_vector_mode_supported_p
@ -3070,6 +3074,14 @@ classify_argument (enum machine_mode mode, tree type,
/* Classification of atomic types. */
switch (mode)
{
case SDmode:
case DDmode:
classes[0] = X86_64_SSE_CLASS;
return 1;
case TDmode:
classes[0] = X86_64_SSE_CLASS;
classes[1] = X86_64_SSEUP_CLASS;
return 2;
case DImode:
case SImode:
case HImode:
@ -3813,6 +3825,9 @@ ix86_return_in_memory (tree type)
if (mode == XFmode)
return 0;
if (mode == TDmode)
return 1;
if (size > 12)
return 1;
return 0;
@ -3878,6 +3893,9 @@ ix86_libcall_value (enum machine_mode mode)
case DFmode:
case DCmode:
case TFmode:
case SDmode:
case DDmode:
case TDmode:
return gen_rtx_REG (mode, FIRST_SSE_REG);
case XFmode:
case XCmode:
@ -3909,6 +3927,10 @@ ix86_value_regno (enum machine_mode mode, tree func, tree fntype)
if (mode == TImode || (VECTOR_MODE_P (mode) && GET_MODE_SIZE (mode) == 16))
return FIRST_SSE_REG;
/* Decimal floating point values can go in %eax, unlike other float modes. */
if (DECIMAL_FLOAT_MODE_P (mode))
return 0;
/* Most things go in %eax, except (unless -mno-fp-ret-in-387) fp values. */
if (!SCALAR_FLOAT_MODE_P (mode) || !TARGET_FLOAT_RETURNS_IN_80387)
return 0;
@ -18441,6 +18463,16 @@ ix86_expand_reduc_v4sf (rtx (*fn) (rtx, rtx, rtx), rtx dest, rtx in)
emit_insn (fn (dest, tmp2, tmp3));
}
/* Target hook for scalar_mode_supported_p. */
static bool
ix86_scalar_mode_supported_p (enum machine_mode mode)
{
if (DECIMAL_FLOAT_MODE_P (mode))
return true;
else
return default_scalar_mode_supported_p (mode);
}
/* Implements target hook vector_mode_supported_p. */
static bool
ix86_vector_mode_supported_p (enum machine_mode mode)