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author | zherczeg <zherczeg@6239d852-aaf2-0410-a92c-79f79f948069> | 2020-01-28 14:13:06 +0000 |
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committer | zherczeg <zherczeg@6239d852-aaf2-0410-a92c-79f79f948069> | 2020-01-28 14:13:06 +0000 |
commit | d0968b38f5e570f4eb061297c1b9f90e7c2a1396 (patch) | |
tree | d6328c56c8b4e4f177971ed30bd6b502861223e3 /src/sljit/sljitNativeARM_T2_32.c | |
parent | 8d66348cbeb82ab7234aee227e483796a771ee19 (diff) | |
download | pcre2-d0968b38f5e570f4eb061297c1b9f90e7c2a1396.tar.gz |
JIT compiler update.
git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@1215 6239d852-aaf2-0410-a92c-79f79f948069
Diffstat (limited to 'src/sljit/sljitNativeARM_T2_32.c')
-rw-r--r-- | src/sljit/sljitNativeARM_T2_32.c | 56 |
1 files changed, 33 insertions, 23 deletions
diff --git a/src/sljit/sljitNativeARM_T2_32.c b/src/sljit/sljitNativeARM_T2_32.c index cdfe4a4..a26f48f 100644 --- a/src/sljit/sljitNativeARM_T2_32.c +++ b/src/sljit/sljitNativeARM_T2_32.c @@ -480,6 +480,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type) case SLJIT_HAS_CLZ: case SLJIT_HAS_CMOV: + case SLJIT_HAS_PREFETCH: return 1; default: @@ -1328,6 +1329,9 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compile } return SLJIT_SUCCESS; #endif /* __ARM_FEATURE_IDIV || __ARM_ARCH_EXT_IDIV__ */ + case SLJIT_ENDBR: + case SLJIT_SKIP_FRAMES_BEFORE_RETURN: + return SLJIT_SUCCESS; } return SLJIT_SUCCESS; @@ -1345,13 +1349,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compile ADJUST_LOCAL_OFFSET(dst, dstw); ADJUST_LOCAL_OFFSET(src, srcw); - if (dst == SLJIT_UNUSED && !HAS_FLAGS(op)) { - /* Since TMP_PC has index 15, IS_2_LO_REGS and IS_3_LO_REGS checks always fail. */ - if (op <= SLJIT_MOV_P && (src & SLJIT_MEM)) - return emit_op_mem(compiler, PRELOAD, TMP_PC, src, srcw, TMP_REG1); - return SLJIT_SUCCESS; - } - dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG1; op = GET_OPCODE(op); @@ -1475,6 +1472,35 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile return emit_op_mem(compiler, WORD_SIZE | STORE, dst_reg, dst, dstw, TMP_REG2); } +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 src, sljit_sw srcw) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_op_src(compiler, op, src, srcw)); + ADJUST_LOCAL_OFFSET(src, srcw); + + switch (op) { + case SLJIT_FAST_RETURN: + SLJIT_ASSERT(reg_map[TMP_REG2] == 14); + + if (FAST_IS_REG(src)) + FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(TMP_REG2, src))); + else + FAIL_IF(emit_op_mem(compiler, WORD_SIZE, TMP_REG2, src, srcw, TMP_REG2)); + + return push_inst16(compiler, BX | RN3(TMP_REG2)); + case SLJIT_SKIP_FRAMES_BEFORE_FAST_RETURN: + return SLJIT_SUCCESS; + case SLJIT_PREFETCH_L1: + case SLJIT_PREFETCH_L2: + case SLJIT_PREFETCH_L3: + case SLJIT_PREFETCH_ONCE: + return emit_op_mem(compiler, PRELOAD, TMP_PC, src, srcw, TMP_REG1); + } + + return SLJIT_SUCCESS; +} + SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg) { CHECK_REG_INDEX(check_sljit_get_register_index(reg)); @@ -1728,22 +1754,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler * return emit_op_mem(compiler, WORD_SIZE | STORE, TMP_REG2, dst, dstw, TMP_REG1); } -SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw) -{ - CHECK_ERROR(); - CHECK(check_sljit_emit_fast_return(compiler, src, srcw)); - ADJUST_LOCAL_OFFSET(src, srcw); - - SLJIT_ASSERT(reg_map[TMP_REG2] == 14); - - if (FAST_IS_REG(src)) - FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(TMP_REG2, src))); - else - FAIL_IF(emit_op_mem(compiler, WORD_SIZE, TMP_REG2, src, srcw, TMP_REG2)); - - return push_inst16(compiler, BX | RN3(TMP_REG2)); -} - /* --------------------------------------------------------------------- */ /* Conditional instructions */ /* --------------------------------------------------------------------- */ |