diff options
Diffstat (limited to 'src/sljit/sljitNativeARM_64.c')
| -rw-r--r-- | src/sljit/sljitNativeARM_64.c | 75 |
1 files changed, 44 insertions, 31 deletions
diff --git a/src/sljit/sljitNativeARM_64.c b/src/sljit/sljitNativeARM_64.c index e15b345..b86fc64 100644 --- a/src/sljit/sljitNativeARM_64.c +++ b/src/sljit/sljitNativeARM_64.c @@ -396,6 +396,7 @@ 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: @@ -1154,6 +1155,9 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compile case SLJIT_DIV_UW: case SLJIT_DIV_SW: return push_inst(compiler, ((op == SLJIT_DIV_UW ? UDIV : SDIV) ^ inv_bits) | RD(SLJIT_R0) | RN(SLJIT_R0) | RM(SLJIT_R1)); + case SLJIT_ENDBR: + case SLJIT_SKIP_FRAMES_BEFORE_RETURN: + return SLJIT_SUCCESS; } return SLJIT_SUCCESS; @@ -1171,23 +1175,6 @@ 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)) { - if (op <= SLJIT_MOV_P && (src & SLJIT_MEM)) { - SLJIT_ASSERT(reg_map[1] == 0 && reg_map[3] == 2 && reg_map[5] == 4); - - if (op >= SLJIT_MOV_U8 && op <= SLJIT_MOV_S8) - dst = 5; - else if (op >= SLJIT_MOV_U16 && op <= SLJIT_MOV_S16) - dst = 3; - else - dst = 1; - - /* Signed word sized load is the prefetch instruction. */ - return emit_op_mem(compiler, WORD_SIZE | SIGNED, dst, src, srcw, TMP_REG1); - } - return SLJIT_SUCCESS; - } - dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG1; op = GET_OPCODE(op); @@ -1327,6 +1314,46 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile return SLJIT_SUCCESS; } +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: + if (FAST_IS_REG(src)) + FAIL_IF(push_inst(compiler, ORR | RD(TMP_LR) | RN(TMP_ZERO) | RM(src))); + else + FAIL_IF(emit_op_mem(compiler, WORD_SIZE, TMP_LR, src, srcw, TMP_REG1)); + + return push_inst(compiler, RET | RN(TMP_LR)); + 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: + SLJIT_ASSERT(reg_map[1] == 0 && reg_map[3] == 2 && reg_map[5] == 4); + + /* The reg_map[op] should provide the appropriate constant. */ + if (op == SLJIT_PREFETCH_L1) + op = 1; + else if (op == SLJIT_PREFETCH_L2) + op = 3; + else if (op == SLJIT_PREFETCH_L3) + op = 5; + else + op = 2; + + /* Signed word sized load is the prefetch instruction. */ + return emit_op_mem(compiler, WORD_SIZE | SIGNED, op, 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)); @@ -1578,20 +1605,6 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler * return emit_op_mem(compiler, WORD_SIZE | STORE, TMP_LR, 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); - - if (FAST_IS_REG(src)) - FAIL_IF(push_inst(compiler, ORR | RD(TMP_LR) | RN(TMP_ZERO) | RM(src))); - else - FAIL_IF(emit_op_mem(compiler, WORD_SIZE, TMP_LR, src, srcw, TMP_REG1)); - - return push_inst(compiler, RET | RN(TMP_LR)); -} - /* --------------------------------------------------------------------- */ /* Conditional instructions */ /* --------------------------------------------------------------------- */ |