invoke.texi: Add -maltivec, -mno-altivec, and -mabi=altivec for rs6000.
* doc/invoke.texi: Add -maltivec, -mno-altivec, and -mabi=altivec
for rs6000.
* config/rs6000/rs6000.h (MASK_ALTIVEC): New.
(TARGET_ALTIVEC): New.
(TARGET_SWITCHES): Add altivec.
(FIRST_PSEUDO_REGISTER): Change to 109.
(CALL_USED_REGISTERS): Same.
(FIRST_ALTIVEC_REGNO): New.
(LAST_ALTIVEC_REGNO): New.
(ALTIVEC_REGNO_P): New.
(UNITS_PER_ALTIVEC_WORD): New.
(ALTIVEC_VECTOR_MODE): New.
(FIXED_REGISTERS): Add altivec registers.
(REG_ALLOC_ORDER): Same.
(HARD_REGNO_NREGS): Adjust for altivec registers.
(HARD_REGNO_MODE_OK): Same.
(MODES_TIEABLE_P): Same.
(REGISTER_MOVE_COST): Same.
(REGNO_REG_CLASS): Same.
(reg_class): Add ALTIVEC_REGS.
(REG_CLASS_NAMES): Same.
(REG_CLASS_CONTENTS): Same.
(REG_CLASS_FROM_LETTER): Add 'v' constraint for ALTIVEC_REGS.
(ALTIVEC_ARG_RETURN): New.
(FUNCTION_VALUE): Handle VECTOR_TYPE.
(LIBCALL_VALUE): Handle altivec vector modes.
(VECTOR_MODE_SUPPORTED_P): New.
(ALTIVEC_ARG_MIN_REG): New.
(ALTIVEC_ARG_MAX_REG): New.
(ALTIVEC_ARG_NUM_REG): New.
(FUNCTION_VALUE_REGNO_P): Return true for altivec return register.
(FUNCTION_ARG_REGNO_P): Support passing args in altivec registers.
(REGISTER_NAMES): Add altivec regs.
(DEBUG_REGISTER_NAMES): Same.
(ADDITIONAL_REGISTER_NAMES): Same.
(rs6000_builtins): New.
(MD_EXPAND_BUILTIN): New.
(MD_INIT_BUILTINS): New.
(LEGITIMATE_OFFSET_ADDRESS_P): This addressing mode is not valid
for AltiVec instructions.
(LEGITIMATE_LO_SUM_ADDRESS_P): Same.
(HARD_REGNO_MODE_OK): Altivec modes can only go in altivec
registers.
(SECONDARY_MEMORY_NEEDED): We need memory to copy vector modes.
(TARGET_SWITCHES): Add no-altivec.
(DATA_ALIGNMENT): Align vectors to 128 bits.
(TARGET_OPTIONS): Add abi= option.
Add rs6000_abi_string extern.
(LOCAL_ALIGNMENT): New.
(CPP_CPU_SPEC): Define __ALTIVEC__ when -maltivec.
(MASK_ALTIVEC_ABI): New.
(TARGET_ALTIVEC_ABI): New.
(CONDITIONAL_REGISTER_USAGE): Set first 20 AltiVec registers to
call-saved.
(STACK_BOUNDARY): Adjust for altivec.
(BIGGEST_ALIGNMENT): Same.
(rs6000_args): Add vregno.
(USE_ALTIVEC_FOR_ARG_P): New.
(FIXED_REGISTERS): Add vrsave register.
(CALL_USED_REGISTERS): Same.
(CONDITIONAL_REGISTER_USAGE): Set VRSAVE info.
(VRSAVE_REGNO): New.
(reg_class): Add VRSAVE_REGS.
(REG_CLASS_NAMES): Same.
(REG_CLASS_CONTENTS): Same.
(REGNO_REG_CLASS): Same.
* config/rs6000/sysv4.h (STACK_BOUNDARY): Adjust for altivec.
(ABI_STACK_BOUNDARY): Same.
(BIGGEST_ALIGNMENT): Same.
(ADJUST_FIELD_ALIGN): Remove undef. Define anew.
(ROUND_TYPE_ALIGN): Same.
* config/rs6000/aix.h (ROUND_TYPE_ALIGN): Change BIGGEST_ALIGNMENT
to 64.
* config/rs6000/rs6000.c (rs6000_expand_builtin): New.
(altivec_expand_builtin): New.
(altivec_init_builtins): New.
(TARGET_EXPAND_BUILTIN): New.
(TARGET_INIT_BUILTINS): New.
(rs6000_init_builtins): New.
(struct builtin_description): New.
(bdesc_2arg): New.
(rs6000_reg_names): Add altivec registers.
(alt_reg_names): Same.
(secondary_reload_class): Altivec regs can hold altivec regs and
memory.
(rs6000_emit_move): Force constants into memory for AltiVec moves.
(print_operand): Add 'y' case for printing altivec memory
operands.
(rs6000_legitimize_address): Legitimize vector addresses into
[REG+REG] or [REG].
(altivec_expand_binop_builtin): New.
New string rs6000_current_abi.
(rs6000_override_options): Call rs6000_parse_abi_options.
(rs6000_parse_abi_options): New.
(function_arg_boundary): Vector arguments must be 16
byte aligned.
(function_arg_advance): Handle vector arguments.
(function_arg_partial_nregs): Same.
(init_cumulative_args): Same.
(function_arg): Same.
* config/rs6000/rs6000.md (altivec_lvx): New.
(type): Add altivec attribute.
(movv4si): New.
(*movv4si_internal): New.
(movv16qi): New.
(*movv16qi_internal): New.
(movv8hi): New.
(*movv8hi_internal1): New.
(movv4sf): New.
(*movv4sf_internal1): New.
(altivec_stvx): New.
(vaddubm): New.
(vadduhm): New.
(vadduwm): New.
(vaddfp): New.
(vaddcuw): New.
(vaddubs): New.
(vaddsbs): New.
(vadduhs): New.
(vaddshs): New.
(vadduws): New.
(vaddsws): New.
(vand): New.
(vandc): New.
(vavgub): New.
(vavgsb): New.
(vavguh): New.
(vavgsh): New.
(vavguw): New.
(vavgsw): New.
(vcmpbfp): New.
(vcmpequb): New.
(vcmpequh): New.
(vcmpequw): New.
(vcmpeqfp): New.
(vcmpgefp): New.
(vcmpgtub): New.
(vcmpgtsb): New.
(vcmpgtuh): New.
(vcmpgtsh): New.
(vcmpgtuw): New.
(vcmpgtsw): New.
(vcmpgtfp): New.
(vcmpgefp): New.
(vcmpgtub): New.
(vcmpgtsb): New.
(vcmpgtuh): New.
(vcmpgtsh): New.
(vcmpgtuw): New.
(vcmpgtsw): New.
(vcmpgtfp): New.
(vmaxub): New.
(vmaxsb): New.
(vmaxuh): New.
(vmaxsh): New.
(vmaxuw): New.
(vmaxsw): New.
(vmaxfp): New.
(vmrghb): New.
(vmrghh): New.
(vmrghw): New.
(vmrglb): New.
(vmrglh): New.
(vmrglw): New.
(vminub): New.
(vminsb): New.
(vminuh): New.
(vminsh): New.
(vminuw): New.
(vminsw): New.
(vminfp): New.
(vmuleub): New.
(vmulesb): New.
(vmuleuh): New.
(vmulesh): New.
(vmuloub): New.
(vmulosb): New.
(vmulouh): New.
(vmulosh): New.
(vnor): New.
(vor): New.
(vpkuhum): New.
(vpkuwum): New.
(vpkpx): New.
(vpkuhss): New.
(vpkshss): New.
(vpkuwss): New.
(vpkswss): New.
(vpkuhus): New.
(vpkshus): New.
(vpkuwus): New.
(vpkswus): New.
(vrlb): New.
(vrlh): New.
(vrlw): New.
(vslb): New.
(vslh): New.
(vslw): New.
(vsl): New.
(vslo): New.
(vsrb): New.
(vrsh): New.
(vrsw): New.
(vsrab): New.
(vsrah): New.
(vsraw): New.
(vsr): New.
(vsro): New.
(vsububm): New.
(vsubuhm): New.
(vsubuwm): New.
(vsubfp): New.
(vsubcuw): New.
(vsububs): New.
(vsubsbs): New.
(vsubuhs): New.
(vsubshs): New.
(vsubuws): New.
(vsubsws): New.
(vsum4ubs): New.
(vsum4sbs): New.
(vsum4shs): New.
(vsum2sws): New.
(vsumsws): New.
(vxor): New.
From-SVN: r46833