diff options
Diffstat (limited to 'sljit/sljitLir.h')
| -rw-r--r-- | sljit/sljitLir.h | 77 |
1 files changed, 41 insertions, 36 deletions
diff --git a/sljit/sljitLir.h b/sljit/sljitLir.h index 661be4f..f64ddcb 100644 --- a/sljit/sljitLir.h +++ b/sljit/sljitLir.h @@ -489,6 +489,29 @@ static SLJIT_INLINE sljit_sw sljit_get_executable_offset(struct sljit_compiler * */ static SLJIT_INLINE sljit_uw sljit_get_generated_code_size(struct sljit_compiler *compiler) { return compiler->executable_size; } +/* Returns with non-zero if the passed SLJIT_HAS_* feature is available. + + Some features (e.g. floating point operations) require CPU support + while other (e.g. move with update) is emulated if not available. + However it might be worth to generate a special code path even in + the latter case in certain cases. */ + +/* [Not emulated] Floating-point support is available. */ +#define SLJIT_HAS_FPU 0 +/* [Emulated] Some forms of move with pre update is supported. */ +#define SLJIT_HAS_PRE_UPDATE 1 +/* [Emulated] Count leading zero is supported. */ +#define SLJIT_HAS_CLZ 2 +/* [Emulated] Conditional move is supported. */ +#define SLJIT_HAS_CMOV 3 + +#if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) +/* [Not emulated] SSE2 support is available on x86. */ +#define SLJIT_HAS_SSE2 100 +#endif + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type); + /* Instruction generation. Returns with any error code. If there is no error, they return with SLJIT_SUCCESS. */ @@ -896,7 +919,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compile #define SLJIT_NEG (SLJIT_OP1_BASE + 17) #define SLJIT_NEG32 (SLJIT_NEG | SLJIT_I32_OP) /* Count leading zeroes - Flags: Z */ + Flags: - (may destroy flags) */ #define SLJIT_CLZ (SLJIT_OP1_BASE + 18) #define SLJIT_CLZ32 (SLJIT_CLZ | SLJIT_I32_OP) @@ -961,10 +984,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile sljit_s32 src1, sljit_sw src1w, sljit_s32 src2, sljit_sw src2w); -/* Returns with non-zero if fpu is available. */ - -SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_is_fpu_available(void); - /* Starting index of opcodes for sljit_emit_fop1. */ #define SLJIT_FOP1_BASE 128 @@ -1058,7 +1077,7 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compi #define SLJIT_SET_SIG_LESS SLJIT_SET(SLJIT_SIG_LESS) #define SLJIT_SIG_GREATER_EQUAL 7 #define SLJIT_SIG_GREATER_EQUAL32 (SLJIT_SIG_GREATER_EQUAL | SLJIT_I32_OP) -#define SLJIT_SET_SIG_GREATER_EQUAL SLJIT_SET(SLJIT_SET_SIG_GREATER_EQUAL) +#define SLJIT_SET_SIG_GREATER_EQUAL SLJIT_SET(SLJIT_SIG_GREATER_EQUAL) #define SLJIT_SIG_GREATER 8 #define SLJIT_SIG_GREATER32 (SLJIT_SIG_GREATER | SLJIT_I32_OP) #define SLJIT_SET_SIG_GREATER SLJIT_SET(SLJIT_SIG_GREATER) @@ -1171,7 +1190,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw); /* Perform the operation using the conditional flags as the second argument. - Type must always be between SLJIT_EQUAL and SLJIT_S_ORDERED. The value + Type must always be between SLJIT_EQUAL and SLJIT_ORDERED_F64. The value represented by the type is 1, if the condition represented by the type is fulfilled, and 0 otherwise. @@ -1190,6 +1209,20 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *co sljit_s32 src, sljit_sw srcw, sljit_s32 type); +/* Emit a conditional mov instruction which moves source to destination, + if the condition is satisfied. Unlike other arithmetic operations this + instruction does not support memory accesses. + + type must be between SLJIT_EQUAL and SLJIT_ORDERED_F64 + dst_reg must be a valid register and it can be combined + with SLJIT_I32_OP to perform a 32 bit arithmetic operation + src must be register or immediate (SLJIT_IMM) + + Flags: - (does not modify flags) */ +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type, + sljit_s32 dst_reg, + sljit_s32 src, sljit_sw srcw); + /* Copies the base address of SLJIT_SP + offset to dst. Flags: - (may destroy flags) */ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_local_base(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw offset); @@ -1215,7 +1248,7 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_consta /* --------------------------------------------------------------------- */ #define SLJIT_MAJOR_VERSION 0 -#define SLJIT_MINOR_VERSION 93 +#define SLJIT_MINOR_VERSION 94 /* Get the human readable name of the platform. Can be useful on platforms like ARM, where ARM and Thumb2 functions can be mixed, and @@ -1354,32 +1387,4 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *c SLJIT_API_FUNC_ATTRIBUTE void sljit_set_current_flags(struct sljit_compiler *compiler, sljit_s32 current_flags); -#if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) - -/* Returns with non-zero if sse2 is available. */ - -SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_x86_is_sse2_available(void); - -/* Returns with non-zero if cmov instruction is available. */ - -SLJIT_API_FUNC_ATTRIBUTE sljit_s32 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_I32_OP to perform 32 bit arithmetic - Flags: - (does not modify flags) - */ - -SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_x86_emit_cmov(struct sljit_compiler *compiler, - sljit_s32 type, - sljit_s32 dst_reg, - sljit_s32 src, sljit_sw srcw); - -#endif - #endif /* _SLJIT_LIR_H_ */ |