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Diffstat (limited to 'src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c')
-rw-r--r--src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c229
1 files changed, 229 insertions, 0 deletions
diff --git a/src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c b/src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c
index 62e16106b1..9f9e157a05 100644
--- a/src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c
+++ b/src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c
@@ -435,3 +435,232 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_consta
inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset);
SLJIT_CACHE_FLUSH(inst, inst + 2);
}
+
+static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_ins *ins_ptr)
+{
+ sljit_s32 stack_offset = 0;
+ sljit_s32 arg_count = 0;
+ sljit_s32 float_arg_count = 0;
+ sljit_s32 word_arg_count = 0;
+ sljit_s32 types = 0;
+ sljit_s32 arg_count_save, types_save;
+ sljit_ins prev_ins = NOP;
+ sljit_ins ins = NOP;
+ sljit_u8 offsets[4];
+
+ SLJIT_ASSERT(reg_map[TMP_REG3] == 4 && freg_map[TMP_FREG1] == 12);
+
+ arg_types >>= SLJIT_DEF_SHIFT;
+
+ while (arg_types) {
+ types = (types << SLJIT_DEF_SHIFT) | (arg_types & SLJIT_DEF_MASK);
+
+ switch (arg_types & SLJIT_DEF_MASK) {
+ case SLJIT_ARG_TYPE_F32:
+ offsets[arg_count] = (sljit_u8)stack_offset;
+
+ if (word_arg_count == 0 && arg_count <= 1)
+ offsets[arg_count] = 254 + arg_count;
+
+ stack_offset += sizeof(sljit_f32);
+ arg_count++;
+ float_arg_count++;
+ break;
+ case SLJIT_ARG_TYPE_F64:
+ if (stack_offset & 0x7)
+ stack_offset += sizeof(sljit_sw);
+ offsets[arg_count] = (sljit_u8)stack_offset;
+
+ if (word_arg_count == 0 && arg_count <= 1)
+ offsets[arg_count] = 254 + arg_count;
+
+ stack_offset += sizeof(sljit_f64);
+ arg_count++;
+ float_arg_count++;
+ break;
+ default:
+ offsets[arg_count] = (sljit_u8)stack_offset;
+ stack_offset += sizeof(sljit_sw);
+ arg_count++;
+ word_arg_count++;
+ break;
+ }
+
+ arg_types >>= SLJIT_DEF_SHIFT;
+ }
+
+ /* Stack is aligned to 16 bytes, max two doubles can be placed on the stack. */
+ if (stack_offset > 16)
+ FAIL_IF(push_inst(compiler, ADDIU | S(SLJIT_SP) | T(SLJIT_SP) | IMM(-16), DR(SLJIT_SP)));
+
+ types_save = types;
+ arg_count_save = arg_count;
+
+ while (types) {
+ switch (types & SLJIT_DEF_MASK) {
+ case SLJIT_ARG_TYPE_F32:
+ arg_count--;
+ if (offsets[arg_count] < 254)
+ ins = SWC1 | S(SLJIT_SP) | FT(float_arg_count) | IMM(offsets[arg_count]);
+ float_arg_count--;
+ break;
+ case SLJIT_ARG_TYPE_F64:
+ arg_count--;
+ if (offsets[arg_count] < 254)
+ ins = SDC1 | S(SLJIT_SP) | FT(float_arg_count) | IMM(offsets[arg_count]);
+ float_arg_count--;
+ break;
+ default:
+ if (offsets[arg_count - 1] >= 16)
+ ins = SW | S(SLJIT_SP) | T(word_arg_count) | IMM(offsets[arg_count - 1]);
+ else if (arg_count != word_arg_count)
+ ins = ADDU | S(word_arg_count) | TA(0) | DA(4 + (offsets[arg_count - 1] >> 2));
+ else if (arg_count == 1)
+ ins = ADDU | S(SLJIT_R0) | TA(0) | D(TMP_REG3);
+
+ arg_count--;
+ word_arg_count--;
+ break;
+ }
+
+ if (ins != NOP) {
+ if (prev_ins != NOP)
+ FAIL_IF(push_inst(compiler, prev_ins, MOVABLE_INS));
+ prev_ins = ins;
+ ins = NOP;
+ }
+
+ types >>= SLJIT_DEF_SHIFT;
+ }
+
+ types = types_save;
+ arg_count = arg_count_save;
+
+ while (types) {
+ switch (types & SLJIT_DEF_MASK) {
+ case SLJIT_ARG_TYPE_F32:
+ arg_count--;
+ if (offsets[arg_count] == 254)
+ ins = MOV_S | FMT_S | FS(SLJIT_FR0) | FD(TMP_FREG1);
+ else if (offsets[arg_count] < 16)
+ ins = LW | S(SLJIT_SP) | TA(4 + (offsets[arg_count] >> 2)) | IMM(offsets[arg_count]);
+ break;
+ case SLJIT_ARG_TYPE_F64:
+ arg_count--;
+ if (offsets[arg_count] == 254)
+ ins = MOV_S | FMT_D | FS(SLJIT_FR0) | FD(TMP_FREG1);
+ else if (offsets[arg_count] < 16) {
+ if (prev_ins != NOP)
+ FAIL_IF(push_inst(compiler, prev_ins, MOVABLE_INS));
+ prev_ins = LW | S(SLJIT_SP) | TA(4 + (offsets[arg_count] >> 2)) | IMM(offsets[arg_count]);
+ ins = LW | S(SLJIT_SP) | TA(5 + (offsets[arg_count] >> 2)) | IMM(offsets[arg_count] + sizeof(sljit_sw));
+ }
+ break;
+ default:
+ arg_count--;
+ break;
+ }
+
+ if (ins != NOP) {
+ if (prev_ins != NOP)
+ FAIL_IF(push_inst(compiler, prev_ins, MOVABLE_INS));
+ prev_ins = ins;
+ ins = NOP;
+ }
+
+ types >>= SLJIT_DEF_SHIFT;
+ }
+
+ *ins_ptr = prev_ins;
+
+ return SLJIT_SUCCESS;
+}
+
+static sljit_s32 post_call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types)
+{
+ sljit_s32 stack_offset = 0;
+
+ arg_types >>= SLJIT_DEF_SHIFT;
+
+ while (arg_types) {
+ switch (arg_types & SLJIT_DEF_MASK) {
+ case SLJIT_ARG_TYPE_F32:
+ stack_offset += sizeof(sljit_f32);
+ break;
+ case SLJIT_ARG_TYPE_F64:
+ if (stack_offset & 0x7)
+ stack_offset += sizeof(sljit_sw);
+ stack_offset += sizeof(sljit_f64);
+ break;
+ default:
+ stack_offset += sizeof(sljit_sw);
+ break;
+ }
+
+ arg_types >>= SLJIT_DEF_SHIFT;
+ }
+
+ /* Stack is aligned to 16 bytes, max two doubles can be placed on the stack. */
+ if (stack_offset > 16)
+ return push_inst(compiler, ADDIU | S(SLJIT_SP) | T(SLJIT_SP) | IMM(16), DR(SLJIT_SP));
+
+ return SLJIT_SUCCESS;
+}
+
+SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type,
+ sljit_s32 arg_types)
+{
+ struct sljit_jump *jump;
+ sljit_ins ins;
+
+ CHECK_ERROR_PTR();
+ CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types));
+
+ jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
+ PTR_FAIL_IF(!jump);
+ set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
+ type &= 0xff;
+
+ PTR_FAIL_IF(call_with_args(compiler, arg_types, &ins));
+
+ SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25 && PIC_ADDR_REG == TMP_REG2);
+
+ PTR_FAIL_IF(emit_const(compiler, PIC_ADDR_REG, 0));
+
+ jump->flags |= IS_JAL | IS_CALL;
+ PTR_FAIL_IF(push_inst(compiler, JALR | S(PIC_ADDR_REG) | DA(RETURN_ADDR_REG), UNMOVABLE_INS));
+ jump->addr = compiler->size;
+ PTR_FAIL_IF(push_inst(compiler, ins, UNMOVABLE_INS));
+
+ PTR_FAIL_IF(post_call_with_args(compiler, arg_types));
+
+ return jump;
+}
+
+SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compiler, sljit_s32 type,
+ sljit_s32 arg_types,
+ sljit_s32 src, sljit_sw srcw)
+{
+ sljit_ins ins;
+
+ CHECK_ERROR();
+ CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw));
+
+ SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25 && PIC_ADDR_REG == TMP_REG2);
+
+ if (src & SLJIT_IMM)
+ FAIL_IF(load_immediate(compiler, DR(PIC_ADDR_REG), srcw));
+ else if (FAST_IS_REG(src))
+ FAIL_IF(push_inst(compiler, ADDU | S(src) | TA(0) | D(PIC_ADDR_REG), DR(PIC_ADDR_REG)));
+ else if (src & SLJIT_MEM) {
+ ADJUST_LOCAL_OFFSET(src, srcw);
+ FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, DR(PIC_ADDR_REG), src, srcw));
+ }
+
+ FAIL_IF(call_with_args(compiler, arg_types, &ins));
+
+ /* Register input. */
+ FAIL_IF(push_inst(compiler, JALR | S(PIC_ADDR_REG) | DA(RETURN_ADDR_REG), UNMOVABLE_INS));
+ FAIL_IF(push_inst(compiler, ins, UNMOVABLE_INS));
+ return post_call_with_args(compiler, arg_types);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 18:55:11 +0000