i386.c (x86_64_reg_class_name): Re-indent.
* config/i386/i386.c (x86_64_reg_class_name): Re-indent.
(classify_argument, examine_argument, construct_container,
merge_classes): Remove prototypes.
(type_natural_mode): Split out from ...
(function_arg): ... here.
(gen_reg_or_parallel): Remove alt_mode argument. Update callers.
Use orig_mode unless it's BLKmode.
(construct_container): Add orig_mode argument. Update callers.
Use gen_reg_or_parallel for SSE registers.
(ix86_function_value): Use type_natural_mode.
(ix86_gimplify_va_arg): Likewise.
(ix86_hard_regno_mode_ok): Always accept all SSE, MMX, 3DNOW modes in
SSE registers; always accept all MMX, 3DNOW modes in MMX registers.
* config/i386/i386.h (VALID_SSE2_REG_MODE): Don't include
VALID_MMX_REG_MODE.
* config/i386/i386.md (attribute mode): Add V1DF.
(movsi_1): Use 'x' instead of 'Y' constraints.
(movsi_1_nointernunit, movdi_2, movdi_1_rex64): Likewise.
(movdi_1_rex64_nointerunit): Likewise.
(movdf_nointeger, movdf_integer): Likewise. Handle SSE1.
(movsf_1, movsf_1_nointerunit): Line up constraint alternatives.
(swapsf): Use fp_register_operand, don't disable for TARGET_SSE.
(swapdf): Likewise.
(swapxf): Enable only for TARGET_80387.
(movv2sf, movv2sf_internal, pushv2sf): Enable for MMX.
(movtf): Remove double-check for TARGET_64BIT.
(movv2df_internal): Enable for SSE1.
(movv8hi_internal, movv16qi_internal): Likewise.
(movv2df, movv8hi, movv16qi): Likewise.
(pushv2di, pushv8hi, pushv16qi, pushv4si): Likewise.
(pushdi2_rex64, movv4sf_internal, movv4si_internal, movv2di_internal,
movv8qi_internal, movv4hi_internal, movv2sf_internal,
movv2df_internal, movv8hi_internal, movv16qi_internal,
movti_internal): Add leading '*' to name.
From-SVN: r92336