diff options
Diffstat (limited to 'ext/pcre/pcrelib/sljit/sljitLir.h')
| -rw-r--r-- | ext/pcre/pcrelib/sljit/sljitLir.h | 128 |
1 files changed, 89 insertions, 39 deletions
diff --git a/ext/pcre/pcrelib/sljit/sljitLir.h b/ext/pcre/pcrelib/sljit/sljitLir.h index 24c0f60399..2e2e9ac09c 100644 --- a/ext/pcre/pcrelib/sljit/sljitLir.h +++ b/ext/pcre/pcrelib/sljit/sljitLir.h @@ -687,7 +687,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_return(struct sljit_compiler * #define SLJIT_OP0_BASE 0 /* Flags: - (never set any flags) - Note: breakpoint instruction is not supported by all architectures (namely ppc) + Note: breakpoint instruction is not supported by all architectures (e.g. ppc) It falls back to SLJIT_NOP in those cases. */ #define SLJIT_BREAKPOINT (SLJIT_OP0_BASE + 0) /* Flags: - (never set any flags) @@ -696,24 +696,42 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_fast_return(struct sljit_compiler * #define SLJIT_NOP (SLJIT_OP0_BASE + 1) /* Flags: - (may destroy flags) Unsigned multiplication of SLJIT_R0 and SLJIT_R1. - Result goes to SLJIT_R1:SLJIT_R0 (high:low) word */ + Result is placed into SLJIT_R1:SLJIT_R0 (high:low) word */ #define SLJIT_LUMUL (SLJIT_OP0_BASE + 2) /* Flags: - (may destroy flags) Signed multiplication of SLJIT_R0 and SLJIT_R1. - Result goes to SLJIT_R1:SLJIT_R0 (high:low) word */ + Result is placed into SLJIT_R1:SLJIT_R0 (high:low) word */ #define SLJIT_LSMUL (SLJIT_OP0_BASE + 3) /* Flags: I - (may destroy flags) Unsigned divide of the value in SLJIT_R0 by the value in SLJIT_R1. - The result is placed in SLJIT_R0 and the remainder goes to SLJIT_R1. - Note: if SLJIT_R1 contains 0, the behaviour is undefined. */ -#define SLJIT_LUDIV (SLJIT_OP0_BASE + 4) -#define SLJIT_ILUDIV (SLJIT_LUDIV | SLJIT_INT_OP) + The result is placed into SLJIT_R0 and the remainder into SLJIT_R1. + Note: if SLJIT_R1 is 0, the behaviour is undefined. */ +#define SLJIT_UDIVMOD (SLJIT_OP0_BASE + 4) +#define SLJIT_IUDIVMOD (SLJIT_UDIVMOD | SLJIT_INT_OP) /* Flags: I - (may destroy flags) Signed divide of the value in SLJIT_R0 by the value in SLJIT_R1. - The result is placed in SLJIT_R0 and the remainder goes to SLJIT_R1. - Note: if SLJIT_R1 contains 0, the behaviour is undefined. */ -#define SLJIT_LSDIV (SLJIT_OP0_BASE + 5) -#define SLJIT_ILSDIV (SLJIT_LSDIV | SLJIT_INT_OP) + The result is placed into SLJIT_R0 and the remainder into SLJIT_R1. + Note: if SLJIT_R1 is 0, the behaviour is undefined. + Note: if SLJIT_R1 is -1 and SLJIT_R0 is integer min (0x800..00), + the behaviour is undefined. */ +#define SLJIT_SDIVMOD (SLJIT_OP0_BASE + 5) +#define SLJIT_ISDIVMOD (SLJIT_SDIVMOD | SLJIT_INT_OP) +/* Flags: I - (may destroy flags) + Unsigned divide of the value in SLJIT_R0 by the value in SLJIT_R1. + The result is placed into SLJIT_R0. SLJIT_R1 preserves its value. + Note: if SLJIT_R1 is 0, the behaviour is undefined. + Note: SLJIT_SDIV is single precision divide. */ +#define SLJIT_UDIVI (SLJIT_OP0_BASE + 6) +#define SLJIT_IUDIVI (SLJIT_UDIVI | SLJIT_INT_OP) +/* Flags: I - (may destroy flags) + Signed divide of the value in SLJIT_R0 by the value in SLJIT_R1. + The result is placed into SLJIT_R0. SLJIT_R1 preserves its value. + Note: if SLJIT_R1 is 0, the behaviour is undefined. + Note: if SLJIT_R1 is -1 and SLJIT_R0 is integer min (0x800..00), + the behaviour is undefined. + Note: SLJIT_SDIV is single precision divide. */ +#define SLJIT_SDIVI (SLJIT_OP0_BASE + 7) +#define SLJIT_ISDIVI (SLJIT_SDIVI | SLJIT_INT_OP) SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op0(struct sljit_compiler *compiler, sljit_si op); @@ -851,34 +869,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op2(struct sljit_compiler *compiler sljit_si src1, sljit_sw src1w, sljit_si src2, sljit_sw src2w); -/* The following function is a helper function for sljit_emit_op_custom. - It returns with the real machine register index ( >=0 ) of any SLJIT_R, - SLJIT_S and SLJIT_SP registers. - - Note: it returns with -1 for virtual registers (only on x86-32). */ - -SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_register_index(sljit_si reg); - -/* The following function is a helper function for sljit_emit_op_custom. - It returns with the real machine register index of any SLJIT_FLOAT register. - - Note: the index is always an even number on ARM (except ARM-64), MIPS, and SPARC. */ - -SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_float_register_index(sljit_si reg); - -/* Any instruction can be inserted into the instruction stream by - sljit_emit_op_custom. It has a similar purpose as inline assembly. - The size parameter must match to the instruction size of the target - architecture: - - x86: 0 < size <= 15. The instruction argument can be byte aligned. - Thumb2: if size == 2, the instruction argument must be 2 byte aligned. - if size == 4, the instruction argument must be 4 byte aligned. - Otherwise: size must be 4 and instruction argument must be 4 byte aligned. */ - -SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_custom(struct sljit_compiler *compiler, - void *instruction, sljit_si size); - /* Returns with non-zero if fpu is available. */ SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_is_fpu_available(void); @@ -1196,4 +1186,64 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_function_context(void** func_ptr, struct #endif /* !(defined SLJIT_INDIRECT_CALL && SLJIT_INDIRECT_CALL) */ +/* --------------------------------------------------------------------- */ +/* CPU specific functions */ +/* --------------------------------------------------------------------- */ + +/* The following function is a helper function for sljit_emit_op_custom. + It returns with the real machine register index ( >=0 ) of any SLJIT_R, + SLJIT_S and SLJIT_SP registers. + + Note: it returns with -1 for virtual registers (only on x86-32). */ + +SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_register_index(sljit_si reg); + +/* The following function is a helper function for sljit_emit_op_custom. + It returns with the real machine register index of any SLJIT_FLOAT register. + + Note: the index is always an even number on ARM (except ARM-64), MIPS, and SPARC. */ + +SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_get_float_register_index(sljit_si reg); + +/* Any instruction can be inserted into the instruction stream by + sljit_emit_op_custom. It has a similar purpose as inline assembly. + The size parameter must match to the instruction size of the target + architecture: + + x86: 0 < size <= 15. The instruction argument can be byte aligned. + Thumb2: if size == 2, the instruction argument must be 2 byte aligned. + if size == 4, the instruction argument must be 4 byte aligned. + Otherwise: size must be 4 and instruction argument must be 4 byte aligned. */ + +SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_op_custom(struct sljit_compiler *compiler, + void *instruction, sljit_si size); + +#if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) + +/* Returns with non-zero if sse2 is available. */ + +SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_x86_is_sse2_available(void); + +/* Returns with non-zero if cmov instruction is available. */ + +SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_x86_is_cmov_available(void); + +/* Emit a conditional mov instruction on x86 CPUs. This instruction + moves src to destination, if the condition is satisfied. Unlike + other arithmetic instructions, destination must be a register. + Before such instructions are emitted, cmov support should be + checked by sljit_x86_is_cmov_available function. + type must be between SLJIT_EQUAL and SLJIT_S_ORDERED + dst_reg must be a valid register and it can be combined + with SLJIT_INT_OP to perform 32 bit arithmetic + Flags: I - (never set any flags) + */ + +SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_x86_emit_cmov(struct sljit_compiler *compiler, + sljit_si type, + sljit_si dst_reg, + sljit_si src, sljit_sw srcw); + +#endif + #endif /* _SLJIT_LIR_H_ */ |