/* Definitions for code generation pass of GNU compiler.
- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 2001-2015 Free Software Foundation, Inc.
This file is part of GCC.
#ifndef GCC_OPTABS_H
#define GCC_OPTABS_H
-#include "insn-codes.h"
+#include "insn-opinit.h"
-/* Optabs are tables saying how to generate insn bodies
- for various machine modes and numbers of operands.
- Each optab applies to one operation.
+/* Generate code for a widening multiply. */
+extern rtx expand_widening_mult (machine_mode, rtx, rtx, rtx, int, optab);
- For example, add_optab applies to addition.
+/* Return the insn used to implement mode MODE of OP, or CODE_FOR_nothing
+ if the target does not have such an insn. */
- The insn_code slot is the enum insn_code that says how to
- generate an insn for this operation on a particular machine mode.
- It is CODE_FOR_nothing if there is no such insn on the target machine.
+static inline enum insn_code
+optab_handler (optab op, machine_mode mode)
+{
+ unsigned scode = (op << 16) | mode;
+ gcc_assert (op > LAST_CONV_OPTAB);
+ return raw_optab_handler (scode);
+}
+
+/* Return the insn used to perform conversion OP from mode FROM_MODE
+ to mode TO_MODE; return CODE_FOR_nothing if the target does not have
+ such an insn. */
+
+static inline enum insn_code
+convert_optab_handler (convert_optab op, machine_mode to_mode,
+ machine_mode from_mode)
+{
+ unsigned scode = (op << 16) | (from_mode << 8) | to_mode;
+ gcc_assert (op > unknown_optab && op <= LAST_CONV_OPTAB);
+ return raw_optab_handler (scode);
+}
- The `lib_call' slot is the name of the library function that
- can be used to perform the operation.
+/* Return the insn used to implement mode MODE of OP, or CODE_FOR_nothing
+ if the target does not have such an insn. */
- A few optabs, such as move_optab and cmp_optab, are used
- by special code. */
+static inline enum insn_code
+direct_optab_handler (direct_optab op, machine_mode mode)
+{
+ return optab_handler (op, mode);
+}
-struct optab_handlers
+/* Return true if UNOPTAB is for a trapping-on-overflow operation. */
+
+static inline bool
+trapv_unoptab_p (optab unoptab)
{
- enum insn_code insn_code;
-};
+ return (unoptab == negv_optab
+ || unoptab == absv_optab);
+}
-struct optab
+/* Return true if BINOPTAB is for a trapping-on-overflow operation. */
+
+static inline bool
+trapv_binoptab_p (optab binoptab)
{
- enum rtx_code code;
- const char *libcall_basename;
- char libcall_suffix;
- void (*libcall_gen)(struct optab *, const char *name, char suffix, enum machine_mode);
- struct optab_handlers handlers[NUM_MACHINE_MODES];
-};
-typedef struct optab * optab;
+ return (binoptab == addv_optab
+ || binoptab == subv_optab
+ || binoptab == smulv_optab);
+}
+
-/* A convert_optab is for some sort of conversion operation between
- modes. The first array index is the destination mode, the second
- is the source mode. */
-struct convert_optab
+
+/* Describes an instruction that inserts or extracts a bitfield. */
+struct extraction_insn
{
- enum rtx_code code;
- const char *libcall_basename;
- void (*libcall_gen)(struct convert_optab *, const char *name,
- enum machine_mode,
- enum machine_mode);
- struct optab_handlers handlers[NUM_MACHINE_MODES][NUM_MACHINE_MODES];
+ /* The code of the instruction. */
+ enum insn_code icode;
+
+ /* The mode that the structure operand should have. This is byte_mode
+ when using the legacy insv, extv and extzv patterns to access memory. */
+ machine_mode struct_mode;
+
+ /* The mode of the field to be inserted or extracted, and by extension
+ the mode of the insertion or extraction itself. */
+ machine_mode field_mode;
+
+ /* The mode of the field's bit position. This is only important
+ when the position is variable rather than constant. */
+ machine_mode pos_mode;
};
-typedef struct convert_optab *convert_optab;
-/* Given an enum insn_code, access the function to construct
- the body of that kind of insn. */
-#define GEN_FCN(CODE) (insn_data[CODE].genfun)
-/* Enumeration of valid indexes into optab_table. */
-enum optab_index
-{
- /* Fixed-point operators with signed/unsigned saturation */
- OTI_ssadd,
- OTI_usadd,
- OTI_sssub,
- OTI_ussub,
- OTI_ssmul,
- OTI_usmul,
- OTI_ssdiv,
- OTI_usdiv,
- OTI_ssneg,
- OTI_usneg,
- OTI_ssashl,
- OTI_usashl,
-
- OTI_add,
- OTI_addv,
- OTI_sub,
- OTI_subv,
-
- /* Signed and fp multiply */
- OTI_smul,
- OTI_smulv,
- /* Signed multiply, return high word */
- OTI_smul_highpart,
- OTI_umul_highpart,
- /* Signed multiply with result one machine mode wider than args */
- OTI_smul_widen,
- OTI_umul_widen,
- /* Widening multiply of one unsigned and one signed operand. */
- OTI_usmul_widen,
- /* Signed multiply and add with the result and addend one machine mode
- wider than the multiplicand and multiplier. */
- OTI_smadd_widen,
- /* Unsigned multiply and add with the result and addend one machine mode
- wider than the multiplicand and multiplier. */
- OTI_umadd_widen,
- /* Signed multiply and add with the result and addend one machine mode
- wider than the multiplicand and multiplier.
- All involved operations are saturating. */
- OTI_ssmadd_widen,
- /* Unigned multiply and add with the result and addend one machine mode
- wider than the multiplicand and multiplier.
- All involved operations are saturating. */
- OTI_usmadd_widen,
- /* Signed multiply and subtract the result and minuend one machine mode
- wider than the multiplicand and multiplier. */
- OTI_smsub_widen,
- /* Unsigned multiply and subtract the result and minuend one machine mode
- wider than the multiplicand and multiplier. */
- OTI_umsub_widen,
- /* Signed multiply and subtract the result and minuend one machine mode
- wider than the multiplicand and multiplier.
- All involved operations are saturating. */
- OTI_ssmsub_widen,
- /* Unigned multiply and subtract the result and minuend one machine mode
- wider than the multiplicand and multiplier.
- All involved operations are saturating. */
- OTI_usmsub_widen,
-
- /* Signed divide */
- OTI_sdiv,
- OTI_sdivv,
- /* Signed divide-and-remainder in one */
- OTI_sdivmod,
- OTI_udiv,
- OTI_udivmod,
- /* Signed remainder */
- OTI_smod,
- OTI_umod,
- /* Floating point remainder functions */
- OTI_fmod,
- OTI_remainder,
- /* Convert float to integer in float fmt */
- OTI_ftrunc,
-
- /* Logical and */
- OTI_and,
- /* Logical or */
- OTI_ior,
- /* Logical xor */
- OTI_xor,
-
- /* Arithmetic shift left */
- OTI_ashl,
- /* Logical shift right */
- OTI_lshr,
- /* Arithmetic shift right */
- OTI_ashr,
- /* Rotate left */
- OTI_rotl,
- /* Rotate right */
- OTI_rotr,
- /* Signed and floating-point minimum value */
- OTI_smin,
- /* Signed and floating-point maximum value */
- OTI_smax,
- /* Unsigned minimum value */
- OTI_umin,
- /* Unsigned maximum value */
- OTI_umax,
- /* Power */
- OTI_pow,
- /* Arc tangent of y/x */
- OTI_atan2,
-
- /* Move instruction. */
- OTI_mov,
- /* Move, preserving high part of register. */
- OTI_movstrict,
- /* Move, with a misaligned memory. */
- OTI_movmisalign,
- /* Nontemporal store. */
- OTI_storent,
-
- /* Unary operations */
- /* Negation */
- OTI_neg,
- OTI_negv,
- /* Abs value */
- OTI_abs,
- OTI_absv,
- /* Byteswap */
- OTI_bswap,
- /* Bitwise not */
- OTI_one_cmpl,
- /* Bit scanning and counting */
- OTI_ffs,
- OTI_clz,
- OTI_ctz,
- OTI_popcount,
- OTI_parity,
- /* Square root */
- OTI_sqrt,
- /* Sine-Cosine */
- OTI_sincos,
- /* Sine */
- OTI_sin,
- /* Inverse sine */
- OTI_asin,
- /* Cosine */
- OTI_cos,
- /* Inverse cosine */
- OTI_acos,
- /* Exponential */
- OTI_exp,
- /* Base-10 Exponential */
- OTI_exp10,
- /* Base-2 Exponential */
- OTI_exp2,
- /* Exponential - 1*/
- OTI_expm1,
- /* Load exponent of a floating point number */
- OTI_ldexp,
- /* Multiply floating-point number by integral power of radix */
- OTI_scalb,
- /* Radix-independent exponent */
- OTI_logb,
- OTI_ilogb,
- /* Natural Logarithm */
- OTI_log,
- /* Base-10 Logarithm */
- OTI_log10,
- /* Base-2 Logarithm */
- OTI_log2,
- /* logarithm of 1 plus argument */
- OTI_log1p,
- /* Rounding functions */
- OTI_floor,
- OTI_ceil,
- OTI_btrunc,
- OTI_round,
- OTI_nearbyint,
- OTI_rint,
- /* Tangent */
- OTI_tan,
- /* Inverse tangent */
- OTI_atan,
- /* Copy sign */
- OTI_copysign,
- /* Signbit */
- OTI_signbit,
- /* Test for infinite value */
- OTI_isinf,
-
- /* Compare insn; two operands. */
- OTI_cmp,
- /* Used only for libcalls for unsigned comparisons. */
- OTI_ucmp,
- /* tst insn; compare one operand against 0 */
- OTI_tst,
-
- /* Floating point comparison optabs - used primarily for libfuncs */
- OTI_eq,
- OTI_ne,
- OTI_gt,
- OTI_ge,
- OTI_lt,
- OTI_le,
- OTI_unord,
-
- /* String length */
- OTI_strlen,
-
- /* Combined compare & jump/store flags/move operations. */
- OTI_cbranch,
- OTI_cmov,
- OTI_cstore,
-
- /* Push instruction. */
- OTI_push,
-
- /* Conditional add instruction. */
- OTI_addcc,
-
- /* Reduction operations on a vector operand. */
- OTI_reduc_smax,
- OTI_reduc_umax,
- OTI_reduc_smin,
- OTI_reduc_umin,
- OTI_reduc_splus,
- OTI_reduc_uplus,
-
- /* Summation, with result machine mode one or more wider than args. */
- OTI_ssum_widen,
- OTI_usum_widen,
-
- /* Dot product, with result machine mode one or more wider than args. */
- OTI_sdot_prod,
- OTI_udot_prod,
-
- /* Set specified field of vector operand. */
- OTI_vec_set,
- /* Extract specified field of vector operand. */
- OTI_vec_extract,
- /* Extract even/odd fields of vector operands. */
- OTI_vec_extract_even,
- OTI_vec_extract_odd,
- /* Interleave fields of vector operands. */
- OTI_vec_interleave_high,
- OTI_vec_interleave_low,
- /* Initialize vector operand. */
- OTI_vec_init,
- /* Whole vector shift. The shift amount is in bits. */
- OTI_vec_shl,
- OTI_vec_shr,
- /* Extract specified elements from vectors, for vector load. */
- OTI_vec_realign_load,
- /* Widening multiplication.
- The high/low part of the resulting vector of products is returned. */
- OTI_vec_widen_umult_hi,
- OTI_vec_widen_umult_lo,
- OTI_vec_widen_smult_hi,
- OTI_vec_widen_smult_lo,
- /* Extract and widen the high/low part of a vector of signed or
- floating point elements. */
- OTI_vec_unpacks_hi,
- OTI_vec_unpacks_lo,
- /* Extract and widen the high/low part of a vector of unsigned
- elements. */
- OTI_vec_unpacku_hi,
- OTI_vec_unpacku_lo,
-
- /* Extract, convert to floating point and widen the high/low part of
- a vector of signed or unsigned integer elements. */
- OTI_vec_unpacks_float_hi,
- OTI_vec_unpacks_float_lo,
- OTI_vec_unpacku_float_hi,
- OTI_vec_unpacku_float_lo,
-
- /* Narrow (demote) and merge the elements of two vectors. */
- OTI_vec_pack_trunc,
- OTI_vec_pack_usat,
- OTI_vec_pack_ssat,
-
- /* Convert to signed/unsigned integer, narrow and merge elements
- of two vectors of floating point elements. */
- OTI_vec_pack_sfix_trunc,
- OTI_vec_pack_ufix_trunc,
-
- /* Perform a raise to the power of integer. */
- OTI_powi,
-
- OTI_MAX
+
+
+/* Describes the type of an expand_operand. Each value is associated
+ with a create_*_operand function; see the comments above those
+ functions for details. */
+enum expand_operand_type {
+ EXPAND_FIXED,
+ EXPAND_OUTPUT,
+ EXPAND_INPUT,
+ EXPAND_CONVERT_TO,
+ EXPAND_CONVERT_FROM,
+ EXPAND_ADDRESS,
+ EXPAND_INTEGER
};
-extern optab optab_table[OTI_MAX];
-
-#define ssadd_optab (optab_table[OTI_ssadd])
-#define usadd_optab (optab_table[OTI_usadd])
-#define sssub_optab (optab_table[OTI_sssub])
-#define ussub_optab (optab_table[OTI_ussub])
-#define ssmul_optab (optab_table[OTI_ssmul])
-#define usmul_optab (optab_table[OTI_usmul])
-#define ssdiv_optab (optab_table[OTI_ssdiv])
-#define usdiv_optab (optab_table[OTI_usdiv])
-#define ssneg_optab (optab_table[OTI_ssneg])
-#define usneg_optab (optab_table[OTI_usneg])
-#define ssashl_optab (optab_table[OTI_ssashl])
-#define usashl_optab (optab_table[OTI_usashl])
-
-#define add_optab (optab_table[OTI_add])
-#define sub_optab (optab_table[OTI_sub])
-#define smul_optab (optab_table[OTI_smul])
-#define addv_optab (optab_table[OTI_addv])
-#define subv_optab (optab_table[OTI_subv])
-#define smul_highpart_optab (optab_table[OTI_smul_highpart])
-#define umul_highpart_optab (optab_table[OTI_umul_highpart])
-#define smul_widen_optab (optab_table[OTI_smul_widen])
-#define umul_widen_optab (optab_table[OTI_umul_widen])
-#define usmul_widen_optab (optab_table[OTI_usmul_widen])
-#define smadd_widen_optab (optab_table[OTI_smadd_widen])
-#define umadd_widen_optab (optab_table[OTI_umadd_widen])
-#define ssmadd_widen_optab (optab_table[OTI_ssmadd_widen])
-#define usmadd_widen_optab (optab_table[OTI_usmadd_widen])
-#define smsub_widen_optab (optab_table[OTI_smsub_widen])
-#define umsub_widen_optab (optab_table[OTI_umsub_widen])
-#define ssmsub_widen_optab (optab_table[OTI_ssmsub_widen])
-#define usmsub_widen_optab (optab_table[OTI_usmsub_widen])
-#define sdiv_optab (optab_table[OTI_sdiv])
-#define smulv_optab (optab_table[OTI_smulv])
-#define sdivv_optab (optab_table[OTI_sdivv])
-#define sdivmod_optab (optab_table[OTI_sdivmod])
-#define udiv_optab (optab_table[OTI_udiv])
-#define udivmod_optab (optab_table[OTI_udivmod])
-#define smod_optab (optab_table[OTI_smod])
-#define umod_optab (optab_table[OTI_umod])
-#define fmod_optab (optab_table[OTI_fmod])
-#define remainder_optab (optab_table[OTI_remainder])
-#define ftrunc_optab (optab_table[OTI_ftrunc])
-#define and_optab (optab_table[OTI_and])
-#define ior_optab (optab_table[OTI_ior])
-#define xor_optab (optab_table[OTI_xor])
-#define ashl_optab (optab_table[OTI_ashl])
-#define lshr_optab (optab_table[OTI_lshr])
-#define ashr_optab (optab_table[OTI_ashr])
-#define rotl_optab (optab_table[OTI_rotl])
-#define rotr_optab (optab_table[OTI_rotr])
-#define smin_optab (optab_table[OTI_smin])
-#define smax_optab (optab_table[OTI_smax])
-#define umin_optab (optab_table[OTI_umin])
-#define umax_optab (optab_table[OTI_umax])
-#define pow_optab (optab_table[OTI_pow])
-#define atan2_optab (optab_table[OTI_atan2])
-
-#define mov_optab (optab_table[OTI_mov])
-#define movstrict_optab (optab_table[OTI_movstrict])
-#define movmisalign_optab (optab_table[OTI_movmisalign])
-#define storent_optab (optab_table[OTI_storent])
-
-#define neg_optab (optab_table[OTI_neg])
-#define negv_optab (optab_table[OTI_negv])
-#define abs_optab (optab_table[OTI_abs])
-#define absv_optab (optab_table[OTI_absv])
-#define one_cmpl_optab (optab_table[OTI_one_cmpl])
-#define bswap_optab (optab_table[OTI_bswap])
-#define ffs_optab (optab_table[OTI_ffs])
-#define clz_optab (optab_table[OTI_clz])
-#define ctz_optab (optab_table[OTI_ctz])
-#define popcount_optab (optab_table[OTI_popcount])
-#define parity_optab (optab_table[OTI_parity])
-#define sqrt_optab (optab_table[OTI_sqrt])
-#define sincos_optab (optab_table[OTI_sincos])
-#define sin_optab (optab_table[OTI_sin])
-#define asin_optab (optab_table[OTI_asin])
-#define cos_optab (optab_table[OTI_cos])
-#define acos_optab (optab_table[OTI_acos])
-#define exp_optab (optab_table[OTI_exp])
-#define exp10_optab (optab_table[OTI_exp10])
-#define exp2_optab (optab_table[OTI_exp2])
-#define expm1_optab (optab_table[OTI_expm1])
-#define ldexp_optab (optab_table[OTI_ldexp])
-#define scalb_optab (optab_table[OTI_scalb])
-#define logb_optab (optab_table[OTI_logb])
-#define ilogb_optab (optab_table[OTI_ilogb])
-#define log_optab (optab_table[OTI_log])
-#define log10_optab (optab_table[OTI_log10])
-#define log2_optab (optab_table[OTI_log2])
-#define log1p_optab (optab_table[OTI_log1p])
-#define floor_optab (optab_table[OTI_floor])
-#define ceil_optab (optab_table[OTI_ceil])
-#define btrunc_optab (optab_table[OTI_btrunc])
-#define round_optab (optab_table[OTI_round])
-#define nearbyint_optab (optab_table[OTI_nearbyint])
-#define rint_optab (optab_table[OTI_rint])
-#define tan_optab (optab_table[OTI_tan])
-#define atan_optab (optab_table[OTI_atan])
-#define copysign_optab (optab_table[OTI_copysign])
-#define signbit_optab (optab_table[OTI_signbit])
-#define isinf_optab (optab_table[OTI_isinf])
-
-#define cmp_optab (optab_table[OTI_cmp])
-#define ucmp_optab (optab_table[OTI_ucmp])
-#define tst_optab (optab_table[OTI_tst])
-
-#define eq_optab (optab_table[OTI_eq])
-#define ne_optab (optab_table[OTI_ne])
-#define gt_optab (optab_table[OTI_gt])
-#define ge_optab (optab_table[OTI_ge])
-#define lt_optab (optab_table[OTI_lt])
-#define le_optab (optab_table[OTI_le])
-#define unord_optab (optab_table[OTI_unord])
-
-#define strlen_optab (optab_table[OTI_strlen])
-
-#define cbranch_optab (optab_table[OTI_cbranch])
-#define cmov_optab (optab_table[OTI_cmov])
-#define cstore_optab (optab_table[OTI_cstore])
-#define push_optab (optab_table[OTI_push])
-#define addcc_optab (optab_table[OTI_addcc])
-
-#define reduc_smax_optab (optab_table[OTI_reduc_smax])
-#define reduc_umax_optab (optab_table[OTI_reduc_umax])
-#define reduc_smin_optab (optab_table[OTI_reduc_smin])
-#define reduc_umin_optab (optab_table[OTI_reduc_umin])
-#define reduc_splus_optab (optab_table[OTI_reduc_splus])
-#define reduc_uplus_optab (optab_table[OTI_reduc_uplus])
-
-#define ssum_widen_optab (optab_table[OTI_ssum_widen])
-#define usum_widen_optab (optab_table[OTI_usum_widen])
-#define sdot_prod_optab (optab_table[OTI_sdot_prod])
-#define udot_prod_optab (optab_table[OTI_udot_prod])
-
-#define vec_set_optab (optab_table[OTI_vec_set])
-#define vec_extract_optab (optab_table[OTI_vec_extract])
-#define vec_extract_even_optab (optab_table[OTI_vec_extract_even])
-#define vec_extract_odd_optab (optab_table[OTI_vec_extract_odd])
-#define vec_interleave_high_optab (optab_table[OTI_vec_interleave_high])
-#define vec_interleave_low_optab (optab_table[OTI_vec_interleave_low])
-#define vec_init_optab (optab_table[OTI_vec_init])
-#define vec_shl_optab (optab_table[OTI_vec_shl])
-#define vec_shr_optab (optab_table[OTI_vec_shr])
-#define vec_realign_load_optab (optab_table[OTI_vec_realign_load])
-#define vec_widen_umult_hi_optab (optab_table[OTI_vec_widen_umult_hi])
-#define vec_widen_umult_lo_optab (optab_table[OTI_vec_widen_umult_lo])
-#define vec_widen_smult_hi_optab (optab_table[OTI_vec_widen_smult_hi])
-#define vec_widen_smult_lo_optab (optab_table[OTI_vec_widen_smult_lo])
-#define vec_unpacks_hi_optab (optab_table[OTI_vec_unpacks_hi])
-#define vec_unpacks_lo_optab (optab_table[OTI_vec_unpacks_lo])
-#define vec_unpacku_hi_optab (optab_table[OTI_vec_unpacku_hi])
-#define vec_unpacku_lo_optab (optab_table[OTI_vec_unpacku_lo])
-#define vec_unpacks_float_hi_optab (optab_table[OTI_vec_unpacks_float_hi])
-#define vec_unpacks_float_lo_optab (optab_table[OTI_vec_unpacks_float_lo])
-#define vec_unpacku_float_hi_optab (optab_table[OTI_vec_unpacku_float_hi])
-#define vec_unpacku_float_lo_optab (optab_table[OTI_vec_unpacku_float_lo])
-#define vec_pack_trunc_optab (optab_table[OTI_vec_pack_trunc])
-#define vec_pack_ssat_optab (optab_table[OTI_vec_pack_ssat])
-#define vec_pack_usat_optab (optab_table[OTI_vec_pack_usat])
-#define vec_pack_sfix_trunc_optab (optab_table[OTI_vec_pack_sfix_trunc])
-#define vec_pack_ufix_trunc_optab (optab_table[OTI_vec_pack_ufix_trunc])
-
-#define powi_optab (optab_table[OTI_powi])
-
-/* Conversion optabs have their own table and indexes. */
-enum convert_optab_index
+/* Information about an operand for instruction expansion. */
+struct expand_operand {
+ /* The type of operand. */
+ ENUM_BITFIELD (expand_operand_type) type : 8;
+
+ /* True if any conversion should treat VALUE as being unsigned
+ rather than signed. Only meaningful for certain types. */
+ unsigned int unsigned_p : 1;
+
+ /* Unused; available for future use. */
+ unsigned int unused : 7;
+
+ /* The mode passed to the convert_*_operand function. It has a
+ type-dependent meaning. */
+ ENUM_BITFIELD (machine_mode) mode : 16;
+
+ /* The value of the operand. */
+ rtx value;
+};
+
+/* Initialize OP with the given fields. Initialise the other fields
+ to their default values. */
+
+static inline void
+create_expand_operand (struct expand_operand *op,
+ enum expand_operand_type type,
+ rtx value, machine_mode mode,
+ bool unsigned_p)
+{
+ op->type = type;
+ op->unsigned_p = unsigned_p;
+ op->unused = 0;
+ op->mode = mode;
+ op->value = value;
+}
+
+/* Make OP describe an operand that must use rtx X, even if X is volatile. */
+
+static inline void
+create_fixed_operand (struct expand_operand *op, rtx x)
{
- COI_sext,
- COI_zext,
- COI_trunc,
+ create_expand_operand (op, EXPAND_FIXED, x, VOIDmode, false);
+}
- COI_sfix,
- COI_ufix,
+/* Make OP describe an output operand that must have mode MODE.
+ X, if nonnull, is a suggestion for where the output should be stored.
+ It is OK for VALUE to be inconsistent with MODE, although it will just
+ be ignored in that case. */
+
+static inline void
+create_output_operand (struct expand_operand *op, rtx x,
+ machine_mode mode)
+{
+ create_expand_operand (op, EXPAND_OUTPUT, x, mode, false);
+}
+
+/* Make OP describe an input operand that must have mode MODE and
+ value VALUE; MODE cannot be VOIDmode. The backend may request that
+ VALUE be copied into a different kind of rtx before being passed
+ as an operand. */
+
+static inline void
+create_input_operand (struct expand_operand *op, rtx value,
+ machine_mode mode)
+{
+ create_expand_operand (op, EXPAND_INPUT, value, mode, false);
+}
- COI_sfixtrunc,
- COI_ufixtrunc,
+/* Like create_input_operand, except that VALUE must first be converted
+ to mode MODE. UNSIGNED_P says whether VALUE is unsigned. */
+
+static inline void
+create_convert_operand_to (struct expand_operand *op, rtx value,
+ machine_mode mode, bool unsigned_p)
+{
+ create_expand_operand (op, EXPAND_CONVERT_TO, value, mode, unsigned_p);
+}
+
+/* Make OP describe an input operand that should have the same value
+ as VALUE, after any mode conversion that the backend might request.
+ If VALUE is a CONST_INT, it should be treated as having mode MODE.
+ UNSIGNED_P says whether VALUE is unsigned. */
+
+static inline void
+create_convert_operand_from (struct expand_operand *op, rtx value,
+ machine_mode mode, bool unsigned_p)
+{
+ create_expand_operand (op, EXPAND_CONVERT_FROM, value, mode, unsigned_p);
+}
+
+
+/* Make OP describe an input Pmode address operand. VALUE is the value
+ of the address, but it may need to be converted to Pmode first. */
+
+static inline void
+create_address_operand (struct expand_operand *op, rtx value)
+{
+ create_expand_operand (op, EXPAND_ADDRESS, value, Pmode, false);
+}
- COI_sfloat,
- COI_ufloat,
+/* Make OP describe an input operand that has value INTVAL and that has
+ no inherent mode. This function should only be used for operands that
+ are always expand-time constants. The backend may request that INTVAL
+ be copied into a different kind of rtx, but it must specify the mode
+ of that rtx if so. */
- COI_lrint,
- COI_lround,
- COI_lfloor,
- COI_lceil,
+static inline void
+create_integer_operand (struct expand_operand *op, HOST_WIDE_INT intval)
+{
+ create_expand_operand (op, EXPAND_INTEGER, GEN_INT (intval), VOIDmode, false);
+}
+
+
+extern rtx convert_optab_libfunc (convert_optab optab, machine_mode mode1,
+ machine_mode mode2);
+extern rtx optab_libfunc (optab optab, machine_mode mode);
+extern enum insn_code widening_optab_handler (optab, machine_mode,
+ machine_mode);
+/* Find a widening optab even if it doesn't widen as much as we want. */
+#define find_widening_optab_handler(A,B,C,D) \
+ find_widening_optab_handler_and_mode (A, B, C, D, NULL)
+extern enum insn_code find_widening_optab_handler_and_mode (optab,
+ machine_mode,
+ machine_mode,
+ int,
+ machine_mode *);
+
+/* An extra flag to control optab_for_tree_code's behavior. This is needed to
+ distinguish between machines with a vector shift that takes a scalar for the
+ shift amount vs. machines that take a vector for the shift amount. */
+enum optab_subtype
+{
+ optab_default,
+ optab_scalar,
+ optab_vector
+};
- COI_fract,
- COI_fractuns,
- COI_satfract,
- COI_satfractuns,
+/* Passed to expand_simple_binop and expand_binop to say which options
+ to try to use if the requested operation can't be open-coded on the
+ requisite mode. Either OPTAB_LIB or OPTAB_LIB_WIDEN says try using
+ a library call. Either OPTAB_WIDEN or OPTAB_LIB_WIDEN says try
+ using a wider mode. OPTAB_MUST_WIDEN says try widening and don't
+ try anything else. */
- COI_MAX
+enum optab_methods
+{
+ OPTAB_DIRECT,
+ OPTAB_LIB,
+ OPTAB_WIDEN,
+ OPTAB_LIB_WIDEN,
+ OPTAB_MUST_WIDEN
};
-extern convert_optab convert_optab_table[COI_MAX];
-
-#define sext_optab (convert_optab_table[COI_sext])
-#define zext_optab (convert_optab_table[COI_zext])
-#define trunc_optab (convert_optab_table[COI_trunc])
-#define sfix_optab (convert_optab_table[COI_sfix])
-#define ufix_optab (convert_optab_table[COI_ufix])
-#define sfixtrunc_optab (convert_optab_table[COI_sfixtrunc])
-#define ufixtrunc_optab (convert_optab_table[COI_ufixtrunc])
-#define sfloat_optab (convert_optab_table[COI_sfloat])
-#define ufloat_optab (convert_optab_table[COI_ufloat])
-#define lrint_optab (convert_optab_table[COI_lrint])
-#define lround_optab (convert_optab_table[COI_lround])
-#define lfloor_optab (convert_optab_table[COI_lfloor])
-#define lceil_optab (convert_optab_table[COI_lceil])
-#define fract_optab (convert_optab_table[COI_fract])
-#define fractuns_optab (convert_optab_table[COI_fractuns])
-#define satfract_optab (convert_optab_table[COI_satfract])
-#define satfractuns_optab (convert_optab_table[COI_satfractuns])
-
-/* These arrays record the insn_code of insns that may be needed to
- perform input and output reloads of special objects. They provide a
- place to pass a scratch register. */
-extern enum insn_code reload_in_optab[NUM_MACHINE_MODES];
-extern enum insn_code reload_out_optab[NUM_MACHINE_MODES];
-
-/* Contains the optab used for each rtx code. */
-extern optab code_to_optab[NUM_RTX_CODE + 1];
-
-\f
-typedef rtx (*rtxfun) (rtx);
-
-/* Indexed by the rtx-code for a conditional (e.g. EQ, LT,...)
- gives the gen_function to make a branch to test that condition. */
-
-extern rtxfun bcc_gen_fctn[NUM_RTX_CODE];
-
-/* Indexed by the rtx-code for a conditional (e.g. EQ, LT,...)
- gives the insn code to make a store-condition insn
- to test that condition. */
-
-extern enum insn_code setcc_gen_code[NUM_RTX_CODE];
-
-#ifdef HAVE_conditional_move
-/* Indexed by the machine mode, gives the insn code to make a conditional
- move insn. */
-
-extern enum insn_code movcc_gen_code[NUM_MACHINE_MODES];
-#endif
+/* Return the optab used for computing the given operation on the type given by
+ the second argument. The third argument distinguishes between the types of
+ vector shifts and rotates */
+extern optab optab_for_tree_code (enum tree_code, const_tree, enum optab_subtype);
-/* Indexed by the machine mode, gives the insn code for vector conditional
- operation. */
-
-extern enum insn_code vcond_gen_code[NUM_MACHINE_MODES];
-extern enum insn_code vcondu_gen_code[NUM_MACHINE_MODES];
-
-/* This array records the insn_code of insns to perform block moves. */
-extern enum insn_code movmem_optab[NUM_MACHINE_MODES];
-
-/* This array records the insn_code of insns to perform block sets. */
-extern enum insn_code setmem_optab[NUM_MACHINE_MODES];
-
-/* These arrays record the insn_code of two different kinds of insns
- to perform block compares. */
-extern enum insn_code cmpstr_optab[NUM_MACHINE_MODES];
-extern enum insn_code cmpstrn_optab[NUM_MACHINE_MODES];
-extern enum insn_code cmpmem_optab[NUM_MACHINE_MODES];
-
-/* Synchronization primitives. This first set is atomic operation for
- which we don't care about the resulting value. */
-extern enum insn_code sync_add_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_sub_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_ior_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_and_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_xor_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_nand_optab[NUM_MACHINE_MODES];
-
-/* This second set is atomic operations in which we return the value
- that existed in memory before the operation. */
-extern enum insn_code sync_old_add_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_old_sub_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_old_ior_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_old_and_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_old_xor_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_old_nand_optab[NUM_MACHINE_MODES];
-
-/* This third set is atomic operations in which we return the value
- that resulted after performing the operation. */
-extern enum insn_code sync_new_add_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_new_sub_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_new_ior_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_new_and_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_new_xor_optab[NUM_MACHINE_MODES];
-extern enum insn_code sync_new_nand_optab[NUM_MACHINE_MODES];
-
-/* Atomic compare and swap. */
-extern enum insn_code sync_compare_and_swap[NUM_MACHINE_MODES];
-extern enum insn_code sync_compare_and_swap_cc[NUM_MACHINE_MODES];
-
-/* Atomic exchange with acquire semantics. */
-extern enum insn_code sync_lock_test_and_set[NUM_MACHINE_MODES];
-
-/* Atomic clear with release semantics. */
-extern enum insn_code sync_lock_release[NUM_MACHINE_MODES];
-
-/* Define functions given in optabs.c. */
-
-extern rtx expand_widen_pattern_expr (tree exp, rtx op0, rtx op1, rtx wide_op,
- rtx target, int unsignedp);
-
-extern rtx expand_ternary_op (enum machine_mode mode, optab ternary_optab,
+/* Given an optab that reduces a vector to a scalar, find instead the old
+ optab that produces a vector with the reduction result in one element,
+ for a tree with the specified type. */
+extern optab scalar_reduc_to_vector (optab, const_tree type);
+
+extern rtx expand_widen_pattern_expr (struct separate_ops *, rtx , rtx , rtx,
+ rtx, int);
+extern rtx expand_ternary_op (machine_mode mode, optab ternary_optab,
rtx op0, rtx op1, rtx op2, rtx target,
int unsignedp);
+extern rtx simplify_expand_binop (machine_mode mode, optab binoptab,
+ rtx op0, rtx op1, rtx target, int unsignedp,
+ enum optab_methods methods);
+extern bool force_expand_binop (machine_mode, optab, rtx, rtx, rtx, int,
+ enum optab_methods);
+
+/* Generate code for a simple binary or unary operation. "Simple" in
+ this case means "can be unambiguously described by a (mode, code)
+ pair and mapped to a single optab." */
+extern rtx expand_simple_binop (machine_mode, enum rtx_code, rtx,
+ rtx, rtx, int, enum optab_methods);
/* Expand a binary operation given optab and rtx operands. */
-extern rtx expand_binop (enum machine_mode, optab, rtx, rtx, rtx, int,
+extern rtx expand_binop (machine_mode, optab, rtx, rtx, rtx, int,
enum optab_methods);
-extern bool force_expand_binop (enum machine_mode, optab, rtx, rtx, rtx, int,
- enum optab_methods);
-
/* Expand a binary operation with both signed and unsigned forms. */
-extern rtx sign_expand_binop (enum machine_mode, optab, optab, rtx, rtx,
+extern rtx sign_expand_binop (machine_mode, optab, optab, rtx, rtx,
rtx, int, enum optab_methods);
/* Generate code to perform an operation on one operand with two results. */
results, using a library function. */
extern bool expand_twoval_binop_libfunc (optab, rtx, rtx, rtx, rtx,
enum rtx_code);
+extern rtx expand_simple_unop (machine_mode, enum rtx_code, rtx, rtx,
+ int);
/* Expand a unary arithmetic operation given optab rtx operand. */
-extern rtx expand_unop (enum machine_mode, optab, rtx, rtx, int);
+extern rtx expand_unop (machine_mode, optab, rtx, rtx, int);
/* Expand the absolute value operation. */
-extern rtx expand_abs_nojump (enum machine_mode, rtx, rtx, int);
-extern rtx expand_abs (enum machine_mode, rtx, rtx, int, int);
+extern rtx expand_abs_nojump (machine_mode, rtx, rtx, int);
+extern rtx expand_abs (machine_mode, rtx, rtx, int, int);
+
+/* Expand the one's complement absolute value operation. */
+extern rtx expand_one_cmpl_abs_nojump (machine_mode, rtx, rtx);
/* Expand the copysign operation. */
extern rtx expand_copysign (rtx, rtx, rtx);
-
/* Generate an instruction with a given INSN_CODE with an output and
an input. */
-extern void emit_unop_insn (int, rtx, rtx, enum rtx_code);
-
-/* Excapsulate the block in REG_LIBCALL, and REG_RETVAL reg notes and add
- REG_LIBCALL_ID notes to all insns in block. */
-extern void maybe_encapsulate_block (rtx, rtx, rtx);
+extern bool maybe_emit_unop_insn (enum insn_code, rtx, rtx, enum rtx_code);
+extern void emit_unop_insn (enum insn_code, rtx, rtx, enum rtx_code);
-/* Emit code to perform a series of operations on a multi-word quantity, one
- word at a time. */
-extern rtx emit_no_conflict_block (rtx, rtx, rtx, rtx, rtx);
-
-/* Emit one rtl insn to compare two rtx's. */
-extern void emit_cmp_insn (rtx, rtx, enum rtx_code, rtx, enum machine_mode,
- int);
+/* Emit code to make a call to a constant function or a library call. */
+extern void emit_libcall_block (rtx, rtx, rtx, rtx);
/* The various uses that a comparison can have; used by can_compare_p:
jumps, conditional moves, store flag operations. */
ccp_store_flag
};
-/* Return the optab used for computing the given operation on the type
- given by the second argument. */
-extern optab optab_for_tree_code (enum tree_code, const_tree);
-
/* Nonzero if a compare of mode MODE can be done straightforwardly
(without splitting it into pieces). */
-extern int can_compare_p (enum rtx_code, enum machine_mode,
+extern int can_compare_p (enum rtx_code, machine_mode,
enum can_compare_purpose);
+extern rtx prepare_operand (enum insn_code, rtx, int, machine_mode,
+ machine_mode, int);
+/* Emit a pair of rtl insns to compare two rtx's and to jump
+ to a label if the comparison is true. */
+extern void emit_cmp_and_jump_insns (rtx, rtx, enum rtx_code, rtx,
+ machine_mode, int, rtx, int prob=-1);
+
+/* Generate code to indirectly jump to a location given in the rtx LOC. */
+extern void emit_indirect_jump (rtx);
+
+#include "insn-config.h"
+
+#ifndef GCC_INSN_CONFIG_H
+#error "insn-config.h must be included before optabs.h"
+#endif
+
+/* Emit a conditional move operation. */
+rtx emit_conditional_move (rtx, enum rtx_code, rtx, rtx, machine_mode,
+ rtx, rtx, machine_mode, int);
+
+/* Return nonzero if the conditional move is supported. */
+int can_conditionally_move_p (machine_mode mode);
+
+rtx emit_conditional_add (rtx, enum rtx_code, rtx, rtx, machine_mode,
+ rtx, rtx, machine_mode, int);
+
+/* Create but don't emit one rtl instruction to perform certain operations.
+ Modes must match; operands must meet the operation's predicates.
+ Likewise for subtraction and for just copying. */
+extern rtx_insn *gen_add2_insn (rtx, rtx);
+extern rtx_insn *gen_add3_insn (rtx, rtx, rtx);
+extern int have_add2_insn (rtx, rtx);
+extern rtx_insn *gen_addptr3_insn (rtx, rtx, rtx);
+extern int have_addptr3_insn (rtx, rtx, rtx);
+extern rtx_insn *gen_sub2_insn (rtx, rtx);
+extern rtx_insn *gen_sub3_insn (rtx, rtx, rtx);
+extern int have_sub2_insn (rtx, rtx);
/* Return the INSN_CODE to use for an extend operation. */
-extern enum insn_code can_extend_p (enum machine_mode, enum machine_mode, int);
+extern enum insn_code can_extend_p (machine_mode, machine_mode, int);
/* Generate the body of an insn to extend Y (with mode MFROM)
into X (with mode MTO). Do zero-extension if UNSIGNEDP is nonzero. */
-extern rtx gen_extend_insn (rtx, rtx, enum machine_mode,
- enum machine_mode, int);
+extern rtx_insn *gen_extend_insn (rtx, rtx, machine_mode, machine_mode, int);
-/* Call this to reset the function entry for one optab. */
-extern void set_optab_libfunc (optab, enum machine_mode, const char *);
-extern void set_conv_libfunc (convert_optab, enum machine_mode,
- enum machine_mode, const char *);
+/* Return the insn_code for a FLOAT_EXPR. */
+enum insn_code can_float_p (machine_mode, machine_mode, int);
-/* Generate code for a FIXED_CONVERT_EXPR. */
-extern void expand_fixed_convert (rtx, rtx, int, int);
+/* Check whether an operation represented by the code CODE is a
+ convert operation that is supported by the target platform in
+ vector form */
+bool supportable_convert_operation (enum tree_code, tree, tree, tree *,
+ enum tree_code *);
/* Generate code for a FLOAT_EXPR. */
extern void expand_float (rtx, rtx, int);
/* Generate code for a FIX_EXPR. */
extern void expand_fix (rtx, rtx, int);
+/* Generate code for a FIXED_CONVERT_EXPR. */
+extern void expand_fixed_convert (rtx, rtx, int, int);
+
/* Generate code for float to integral conversion. */
extern bool expand_sfix_optab (rtx, rtx, convert_optab);
-/* Return tree if target supports vector operations for COND_EXPR. */
-bool expand_vec_cond_expr_p (tree, enum machine_mode);
+/* Report whether the machine description contains an insn which can
+ perform the operation described by CODE and MODE. */
+extern int have_insn_for (enum rtx_code, machine_mode);
+
+extern void gen_int_libfunc (optab, const char *, char, machine_mode);
+extern void gen_fp_libfunc (optab, const char *, char, machine_mode);
+extern void gen_fixed_libfunc (optab, const char *, char, machine_mode);
+extern void gen_signed_fixed_libfunc (optab, const char *, char,
+ machine_mode);
+extern void gen_unsigned_fixed_libfunc (optab, const char *, char,
+ machine_mode);
+extern void gen_int_fp_libfunc (optab, const char *, char, machine_mode);
+extern void gen_intv_fp_libfunc (optab, const char *, char, machine_mode);
+extern void gen_int_fp_fixed_libfunc (optab, const char *, char,
+ machine_mode);
+extern void gen_int_fp_signed_fixed_libfunc (optab, const char *, char,
+ machine_mode);
+extern void gen_int_fixed_libfunc (optab, const char *, char,
+ machine_mode);
+extern void gen_int_signed_fixed_libfunc (optab, const char *, char,
+ machine_mode);
+extern void gen_int_unsigned_fixed_libfunc (optab, const char *, char,
+ machine_mode);
+
+extern void gen_interclass_conv_libfunc (convert_optab, const char *,
+ machine_mode, machine_mode);
+extern void gen_int_to_fp_conv_libfunc (convert_optab, const char *,
+ machine_mode, machine_mode);
+extern void gen_ufloat_conv_libfunc (convert_optab, const char *,
+ machine_mode, machine_mode);
+extern void gen_int_to_fp_nondecimal_conv_libfunc (convert_optab,
+ const char *,
+ machine_mode,
+ machine_mode);
+extern void gen_fp_to_int_conv_libfunc (convert_optab, const char *,
+ machine_mode, machine_mode);
+extern void gen_intraclass_conv_libfunc (convert_optab, const char *,
+ machine_mode, machine_mode);
+extern void gen_trunc_conv_libfunc (convert_optab, const char *,
+ machine_mode, machine_mode);
+extern void gen_extend_conv_libfunc (convert_optab, const char *,
+ machine_mode, machine_mode);
+extern void gen_fract_conv_libfunc (convert_optab, const char *,
+ machine_mode, machine_mode);
+extern void gen_fractuns_conv_libfunc (convert_optab, const char *,
+ machine_mode, machine_mode);
+extern void gen_satfract_conv_libfunc (convert_optab, const char *,
+ machine_mode, machine_mode);
+extern void gen_satfractuns_conv_libfunc (convert_optab, const char *,
+ machine_mode,
+ machine_mode);
+
+/* Build a decl for a libfunc named NAME. */
+extern tree build_libfunc_function (const char *);
+
+/* Call this to initialize an optab function entry. */
+extern rtx init_one_libfunc (const char *);
+extern rtx set_user_assembler_libfunc (const char *, const char *);
-/* Generate code for VEC_COND_EXPR. */
-extern rtx expand_vec_cond_expr (tree, rtx);
+/* Call this to reset the function entry for one optab. */
+extern void set_optab_libfunc (optab, machine_mode, const char *);
+extern void set_conv_libfunc (convert_optab, machine_mode,
+ machine_mode, const char *);
+
+/* Call this once to initialize the contents of the optabs
+ appropriately for the current target machine. */
+extern void init_optabs (void);
+extern void init_tree_optimization_optabs (tree);
+
+/* Call this to install all of the __sync libcalls up to size MAX. */
+extern void init_sync_libfuncs (int max);
+
+/* Generate a conditional trap instruction. */
+extern rtx_insn *gen_cond_trap (enum rtx_code, rtx, rtx, rtx);
-/* Generate code for VEC_LSHIFT_EXPR and VEC_RSHIFT_EXPR. */
-extern rtx expand_vec_shift_expr (tree, rtx);
+/* Return true if target supports vector operations for VEC_PERM_EXPR. */
+extern bool can_vec_perm_p (machine_mode, bool, const unsigned char *);
-#define optab_handler(optab,mode) (&(optab)->handlers[(int) (mode)])
-#define convert_optab_handler(optab,mode,mode2) \
- (&(optab)->handlers[(int) (mode)][(int) (mode2)])
+/* Generate code for VEC_PERM_EXPR. */
+extern rtx expand_vec_perm (machine_mode, rtx, rtx, rtx, rtx);
+
+/* Return tree if target supports vector operations for COND_EXPR. */
+bool expand_vec_cond_expr_p (tree, tree);
+
+/* Generate code for VEC_COND_EXPR. */
+extern rtx expand_vec_cond_expr (tree, tree, tree, tree, rtx);
+
+/* Return non-zero if target supports a given highpart multiplication. */
+extern int can_mult_highpart_p (machine_mode, bool);
+
+/* Generate code for MULT_HIGHPART_EXPR. */
+extern rtx expand_mult_highpart (machine_mode, rtx, rtx, rtx, bool);
+
+/* Return true if target supports vector masked load/store for mode. */
+extern bool can_vec_mask_load_store_p (machine_mode, bool);
+
+/* Return true if there is an inline compare and swap pattern. */
+extern bool can_compare_and_swap_p (machine_mode, bool);
+
+/* Return true if there is an inline atomic exchange pattern. */
+extern bool can_atomic_exchange_p (machine_mode, bool);
+
+extern rtx expand_sync_lock_test_and_set (rtx, rtx, rtx);
+extern rtx expand_atomic_test_and_set (rtx, rtx, enum memmodel);
+extern rtx expand_atomic_exchange (rtx, rtx, rtx, enum memmodel);
+extern bool expand_atomic_compare_and_swap (rtx *, rtx *, rtx, rtx, rtx, bool,
+ enum memmodel, enum memmodel);
+/* Generate memory barriers. */
+extern void expand_mem_thread_fence (enum memmodel);
+extern void expand_mem_signal_fence (enum memmodel);
+
+rtx expand_atomic_load (rtx, rtx, enum memmodel);
+rtx expand_atomic_store (rtx, rtx, enum memmodel, bool);
+rtx expand_atomic_fetch_op (rtx, rtx, rtx, enum rtx_code, enum memmodel,
+ bool);
+
+extern bool insn_operand_matches (enum insn_code icode, unsigned int opno,
+ rtx operand);
+extern bool valid_multiword_target_p (rtx);
+extern void create_convert_operand_from_type (struct expand_operand *op,
+ rtx value, tree type);
+extern bool maybe_legitimize_operands (enum insn_code icode,
+ unsigned int opno, unsigned int nops,
+ struct expand_operand *ops);
+extern rtx_insn *maybe_gen_insn (enum insn_code icode, unsigned int nops,
+ struct expand_operand *ops);
+extern bool maybe_expand_insn (enum insn_code icode, unsigned int nops,
+ struct expand_operand *ops);
+extern bool maybe_expand_jump_insn (enum insn_code icode, unsigned int nops,
+ struct expand_operand *ops);
+extern void expand_insn (enum insn_code icode, unsigned int nops,
+ struct expand_operand *ops);
+extern void expand_jump_insn (enum insn_code icode, unsigned int nops,
+ struct expand_operand *ops);
+
+/* Enumerates the possible extraction_insn operations. */
+enum extraction_pattern { EP_insv, EP_extv, EP_extzv };
+
+extern bool get_best_reg_extraction_insn (extraction_insn *,
+ enum extraction_pattern,
+ unsigned HOST_WIDE_INT,
+ machine_mode);
+extern bool get_best_mem_extraction_insn (extraction_insn *,
+ enum extraction_pattern,
+ HOST_WIDE_INT, HOST_WIDE_INT,
+ machine_mode);
+
+extern bool lshift_cheap_p (bool);
+
+extern enum rtx_code get_rtx_code (enum tree_code tcode, bool unsignedp);
-extern rtx optab_libfunc (optab optab, enum machine_mode mode);
-extern rtx optab_libfunc (optab optab, enum machine_mode mode);
-extern rtx convert_optab_libfunc (convert_optab optab, enum machine_mode mode1,
- enum machine_mode mode2);
#endif /* GCC_OPTABS_H */