diff options
| author | zherczeg <zherczeg@2f5784b3-3f2a-0410-8824-cb99058d5e15> | 2017-02-15 07:19:34 +0000 |
|---|---|---|
| committer | zherczeg <zherczeg@2f5784b3-3f2a-0410-8824-cb99058d5e15> | 2017-02-15 07:19:34 +0000 |
| commit | be08075b6ecdd32b061655b567601ea30dd3c2be (patch) | |
| tree | 8fddf175ff0ce8a9be0d31606548bbfbdb18ecc6 /sljit | |
| parent | 7ddfbe9d0b9f43402f8043e940172a318cc407c6 (diff) | |
| download | pcre-be08075b6ecdd32b061655b567601ea30dd3c2be.tar.gz | |
Minor JIT compiler update.
git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1681 2f5784b3-3f2a-0410-8824-cb99058d5e15
Diffstat (limited to 'sljit')
| -rw-r--r-- | sljit/sljitLir.c | 20 | ||||
| -rw-r--r-- | sljit/sljitLir.h | 6 |
2 files changed, 26 insertions, 0 deletions
diff --git a/sljit/sljitLir.c b/sljit/sljitLir.c index cbc6fc0..9e7a924 100644 --- a/sljit/sljitLir.c +++ b/sljit/sljitLir.c @@ -505,6 +505,18 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_target(struct sljit_jump *jump, sljit_uw } } +SLJIT_API_FUNC_ATTRIBUTE void sljit_set_current_flags(struct sljit_compiler *compiler, sljit_s32 current_flags) +{ + SLJIT_UNUSED_ARG(compiler); + SLJIT_UNUSED_ARG(current_flags); + +#if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) + if ((current_flags & ~(VARIABLE_FLAG_MASK | SLJIT_I32_OP | SLJIT_SET_Z)) == 0) { + compiler->last_flags = GET_FLAG_TYPE(current_flags) | (current_flags & (SLJIT_I32_OP | SLJIT_SET_Z)); + } +#endif +} + /* --------------------------------------------------------------------- */ /* Private functions */ /* --------------------------------------------------------------------- */ @@ -1196,6 +1208,7 @@ static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_custom(struct sljit_co #if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) CHECK_ARGUMENT(instruction); + #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) CHECK_ARGUMENT(size > 0 && size < 16); #elif (defined SLJIT_CONFIG_ARM_THUMB2 && SLJIT_CONFIG_ARM_THUMB2) @@ -1205,6 +1218,7 @@ static SLJIT_INLINE CHECK_RETURN_TYPE check_sljit_emit_op_custom(struct sljit_co CHECK_ARGUMENT(size == 4 && (((sljit_sw)instruction) & 0x3) == 0); #endif + compiler->last_flags = 0; #endif #if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) if (SLJIT_UNLIKELY(!!compiler->verbose)) { @@ -1965,6 +1979,12 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *c return SLJIT_ERR_UNSUPPORTED; } +SLJIT_API_FUNC_ATTRIBUTE void sljit_set_current_flags(struct sljit_compiler *compiler, sljit_s32 current_flags) +{ + SLJIT_UNUSED_ARG(compiler); + SLJIT_UNUSED_ARG(current_flags); +} + SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_is_fpu_available(void) { SLJIT_UNREACHABLE(); diff --git a/sljit/sljitLir.h b/sljit/sljitLir.h index 7a6b71c..833038f 100644 --- a/sljit/sljitLir.h +++ b/sljit/sljitLir.h @@ -1329,6 +1329,12 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg) SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler, void *instruction, sljit_s32 size); +/* Define the currently available CPU status flags. It is usually used after an + sljit_emit_op_custom call to define which flags are set. */ + +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. */ |