diff --git a/deps/sljit b/deps/sljit
index f6326087b..e51eabbfb 160000
--- a/deps/sljit
+++ b/deps/sljit
@@ -1 +1 @@
-Subproject commit f6326087b3404efb07c6d3deed97b3c3b8098c0c
+Subproject commit e51eabbfb8eabc6526f56e4e88b29fb10d1ee048
diff --git a/src/pcre2_jit_compile.c b/src/pcre2_jit_compile.c
index 98ed65db1..5f15403cb 100644
--- a/src/pcre2_jit_compile.c
+++ b/src/pcre2_jit_compile.c
@@ -13223,7 +13223,7 @@ common->compiler = compiler;
 
 /* Main pcre2_jit_exec entry. */
 SLJIT_ASSERT((private_data_size & (sizeof(sljit_sw) - 1)) == 0);
-sljit_emit_enter(compiler, 0, SLJIT_ARGS1(W, W), 5 | SLJIT_ENTER_FLOAT(SLJIT_NUMBER_OF_SCRATCH_FLOAT_REGISTERS), 5, private_data_size);
+sljit_emit_enter(compiler, 0, SLJIT_ARGS1(W, W), 5 | SLJIT_ENTER_VECTOR(SLJIT_NUMBER_OF_SCRATCH_VECTOR_REGISTERS), 5, private_data_size);
 
 /* Register init. */
 reset_ovector(common, (re->top_bracket + 1) * 2);
diff --git a/src/pcre2_jit_simd_inc.h b/src/pcre2_jit_simd_inc.h
index 6c6b6abd6..66e93cd59 100644
--- a/src/pcre2_jit_simd_inc.h
+++ b/src/pcre2_jit_simd_inc.h
@@ -246,10 +246,10 @@ struct sljit_jump *quit;
 struct sljit_jump *partial_quit[2];
 vector_compare_type compare_type = vector_compare_match1;
 sljit_s32 tmp1_reg_ind = sljit_get_register_index(SLJIT_GP_REGISTER, TMP1);
-sljit_s32 data_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR0);
-sljit_s32 cmp1_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR1);
-sljit_s32 cmp2_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR2);
-sljit_s32 tmp_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR3);
+sljit_s32 data_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR0);
+sljit_s32 cmp1_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR1);
+sljit_s32 cmp2_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR2);
+sljit_s32 tmp_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR3);
 sljit_u32 bit = 0;
 int i;
 
@@ -273,17 +273,17 @@ if (common->mode == PCRE2_JIT_COMPLETE)
 
 /* First part (unaligned start) */
 value = SLJIT_SIMD_REG_128 | SLJIT_SIMD_ELEM_32 | SLJIT_SIMD_LANE_ZERO;
-sljit_emit_simd_lane_mov(compiler, value, SLJIT_FR1, 0, SLJIT_IMM, character_to_int32(char1 | bit));
+sljit_emit_simd_lane_mov(compiler, value, SLJIT_VR1, 0, SLJIT_IMM, character_to_int32(char1 | bit));
 
 if (char1 != char2)
-  sljit_emit_simd_lane_mov(compiler, value, SLJIT_FR2, 0, SLJIT_IMM, character_to_int32(bit != 0 ? bit : char2));
+  sljit_emit_simd_lane_mov(compiler, value, SLJIT_VR2, 0, SLJIT_IMM, character_to_int32(bit != 0 ? bit : char2));
 
 OP1(SLJIT_MOV, TMP2, 0, STR_PTR, 0);
 
-sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_FR1, SLJIT_FR1, 0);
+sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_VR1, SLJIT_VR1, 0);
 
 if (char1 != char2)
-  sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_FR2, SLJIT_FR2, 0);
+  sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_VR2, SLJIT_VR2, 0);
 
 #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32
 restart = LABEL();
@@ -294,12 +294,12 @@ OP2(SLJIT_AND, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, ~value);
 OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, value);
 
 value = (reg_type == SLJIT_SIMD_REG_256) ? SLJIT_SIMD_MEM_ALIGNED_256 : SLJIT_SIMD_MEM_ALIGNED_128;
-sljit_emit_simd_mov(compiler, reg_type | value, SLJIT_FR0, SLJIT_MEM1(STR_PTR), 0);
+sljit_emit_simd_mov(compiler, reg_type | value, SLJIT_VR0, SLJIT_MEM1(STR_PTR), 0);
 
 for (i = 0; i < 4; i++)
   fast_forward_char_pair_sse2_compare(compiler, compare_type, reg_type, i, data_ind, cmp1_ind, cmp2_ind, tmp_ind);
 
-sljit_emit_simd_sign(compiler, SLJIT_SIMD_STORE | reg_type | SLJIT_SIMD_ELEM_8, SLJIT_FR0, TMP1, 0);
+sljit_emit_simd_sign(compiler, SLJIT_SIMD_STORE | reg_type | SLJIT_SIMD_ELEM_8, SLJIT_VR0, TMP1, 0);
 OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
 OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, TMP2, 0);
 
@@ -318,11 +318,11 @@ if (common->mode == PCRE2_JIT_COMPLETE)
   add_jump(compiler, &common->failed_match, partial_quit[1]);
 
 value = (reg_type == SLJIT_SIMD_REG_256) ? SLJIT_SIMD_MEM_ALIGNED_256 : SLJIT_SIMD_MEM_ALIGNED_128;
-sljit_emit_simd_mov(compiler, reg_type | value, SLJIT_FR0, SLJIT_MEM1(STR_PTR), 0);
+sljit_emit_simd_mov(compiler, reg_type | value, SLJIT_VR0, SLJIT_MEM1(STR_PTR), 0);
 for (i = 0; i < 4; i++)
   fast_forward_char_pair_sse2_compare(compiler, compare_type, reg_type, i, data_ind, cmp1_ind, cmp2_ind, tmp_ind);
 
-sljit_emit_simd_sign(compiler, SLJIT_SIMD_STORE | reg_type | SLJIT_SIMD_ELEM_8, SLJIT_FR0, TMP1, 0);
+sljit_emit_simd_sign(compiler, SLJIT_SIMD_STORE | reg_type | SLJIT_SIMD_ELEM_8, SLJIT_VR0, TMP1, 0);
 CMPTO(SLJIT_ZERO, TMP1, 0, SLJIT_IMM, 0, start);
 
 JUMPHERE(quit);
@@ -380,10 +380,10 @@ struct sljit_jump *quit;
 jump_list *not_found = NULL;
 vector_compare_type compare_type = vector_compare_match1;
 sljit_s32 tmp1_reg_ind = sljit_get_register_index(SLJIT_GP_REGISTER, TMP1);
-sljit_s32 data_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR0);
-sljit_s32 cmp1_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR1);
-sljit_s32 cmp2_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR2);
-sljit_s32 tmp_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR3);
+sljit_s32 data_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR0);
+sljit_s32 cmp1_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR1);
+sljit_s32 cmp2_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR2);
+sljit_s32 tmp_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR3);
 sljit_u32 bit = 0;
 int i;
 
@@ -406,29 +406,29 @@ OP1(SLJIT_MOV, TMP3, 0, STR_PTR, 0);
 /* First part (unaligned start) */
 
 value = SLJIT_SIMD_REG_128 | SLJIT_SIMD_ELEM_32 | SLJIT_SIMD_LANE_ZERO;
-sljit_emit_simd_lane_mov(compiler, value, SLJIT_FR1, 0, SLJIT_IMM, character_to_int32(char1 | bit));
+sljit_emit_simd_lane_mov(compiler, value, SLJIT_VR1, 0, SLJIT_IMM, character_to_int32(char1 | bit));
 
 if (char1 != char2)
-  sljit_emit_simd_lane_mov(compiler, value, SLJIT_FR2, 0, SLJIT_IMM, character_to_int32(bit != 0 ? bit : char2));
+  sljit_emit_simd_lane_mov(compiler, value, SLJIT_VR2, 0, SLJIT_IMM, character_to_int32(bit != 0 ? bit : char2));
 
 OP1(SLJIT_MOV, STR_PTR, 0, TMP2, 0);
 
-sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_FR1, SLJIT_FR1, 0);
+sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_VR1, SLJIT_VR1, 0);
 
 if (char1 != char2)
-  sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_FR2, SLJIT_FR2, 0);
+  sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_VR2, SLJIT_VR2, 0);
 
 value = (reg_type == SLJIT_SIMD_REG_256) ? 0x1f : 0xf;
 OP2(SLJIT_AND, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, ~value);
 OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, value);
 
 value = (reg_type == SLJIT_SIMD_REG_256) ? SLJIT_SIMD_MEM_ALIGNED_256 : SLJIT_SIMD_MEM_ALIGNED_128;
-sljit_emit_simd_mov(compiler, reg_type | value, SLJIT_FR0, SLJIT_MEM1(STR_PTR), 0);
+sljit_emit_simd_mov(compiler, reg_type | value, SLJIT_VR0, SLJIT_MEM1(STR_PTR), 0);
 
 for (i = 0; i < 4; i++)
   fast_forward_char_pair_sse2_compare(compiler, compare_type, reg_type, i, data_ind, cmp1_ind, cmp2_ind, tmp_ind);
 
-sljit_emit_simd_sign(compiler, SLJIT_SIMD_STORE | reg_type | SLJIT_SIMD_ELEM_8, SLJIT_FR0, TMP1, 0);
+sljit_emit_simd_sign(compiler, SLJIT_SIMD_STORE | reg_type | SLJIT_SIMD_ELEM_8, SLJIT_VR0, TMP1, 0);
 OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
 OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, TMP2, 0);
 
@@ -445,12 +445,12 @@ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, value);
 add_jump(compiler, &not_found, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
 
 value = (reg_type == SLJIT_SIMD_REG_256) ? SLJIT_SIMD_MEM_ALIGNED_256 : SLJIT_SIMD_MEM_ALIGNED_128;
-sljit_emit_simd_mov(compiler, reg_type | value, SLJIT_FR0, SLJIT_MEM1(STR_PTR), 0);
+sljit_emit_simd_mov(compiler, reg_type | value, SLJIT_VR0, SLJIT_MEM1(STR_PTR), 0);
 
 for (i = 0; i < 4; i++)
   fast_forward_char_pair_sse2_compare(compiler, compare_type, reg_type, i, data_ind, cmp1_ind, cmp2_ind, tmp_ind);
 
-sljit_emit_simd_sign(compiler, SLJIT_SIMD_STORE | reg_type | SLJIT_SIMD_ELEM_8, SLJIT_FR0, TMP1, 0);
+sljit_emit_simd_sign(compiler, SLJIT_SIMD_STORE | reg_type | SLJIT_SIMD_ELEM_8, SLJIT_VR0, TMP1, 0);
 CMPTO(SLJIT_ZERO, TMP1, 0, SLJIT_IMM, 0, start);
 
 JUMPHERE(quit);
@@ -488,14 +488,14 @@ sljit_u32 bit1 = 0;
 sljit_u32 bit2 = 0;
 sljit_u32 diff = IN_UCHARS(offs1 - offs2);
 sljit_s32 tmp1_reg_ind = sljit_get_register_index(SLJIT_GP_REGISTER, TMP1);
-sljit_s32 data1_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR0);
-sljit_s32 data2_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR1);
-sljit_s32 cmp1a_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR2);
-sljit_s32 cmp2a_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR3);
-sljit_s32 cmp1b_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR4);
-sljit_s32 cmp2b_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR5);
-sljit_s32 tmp1_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_FR6);
-sljit_s32 tmp2_ind = sljit_get_register_index(SLJIT_FLOAT_REGISTER, SLJIT_TMP_FR0);
+sljit_s32 data1_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR0);
+sljit_s32 data2_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR1);
+sljit_s32 cmp1a_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR2);
+sljit_s32 cmp2a_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR3);
+sljit_s32 cmp1b_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR4);
+sljit_s32 cmp2b_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR5);
+sljit_s32 tmp1_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_VR6);
+sljit_s32 tmp2_ind = sljit_get_register_index(SLJIT_SIMD_REG_128, SLJIT_TMP_DEST_VREG);
 struct sljit_label *start;
 #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32
 struct sljit_label *restart;
@@ -541,10 +541,10 @@ else
   }
 
 value = SLJIT_SIMD_REG_128 | SLJIT_SIMD_ELEM_32 | SLJIT_SIMD_LANE_ZERO;
-sljit_emit_simd_lane_mov(compiler, value, SLJIT_FR2, 0, TMP1, 0);
+sljit_emit_simd_lane_mov(compiler, value, SLJIT_VR2, 0, TMP1, 0);
 
 if (char1a != char1b)
-  sljit_emit_simd_lane_mov(compiler, value, SLJIT_FR4, 0, TMP2, 0);
+  sljit_emit_simd_lane_mov(compiler, value, SLJIT_VR4, 0, TMP2, 0);
 
 if (char2a == char2b)
   OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, character_to_int32(char2a));
@@ -566,18 +566,18 @@ else
     }
   }
 
-sljit_emit_simd_lane_mov(compiler, value, SLJIT_FR3, 0, TMP1, 0);
+sljit_emit_simd_lane_mov(compiler, value, SLJIT_VR3, 0, TMP1, 0);
 
 if (char2a != char2b)
-  sljit_emit_simd_lane_mov(compiler, value, SLJIT_FR5, 0, TMP2, 0);
+  sljit_emit_simd_lane_mov(compiler, value, SLJIT_VR5, 0, TMP2, 0);
 
-sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_FR2, SLJIT_FR2, 0);
+sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_VR2, SLJIT_VR2, 0);
 if (char1a != char1b)
-  sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_FR4, SLJIT_FR4, 0);
+  sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_VR4, SLJIT_VR4, 0);
 
-sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_FR3, SLJIT_FR3, 0);
+sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_VR3, SLJIT_VR3, 0);
 if (char2a != char2b)
-  sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_FR5, SLJIT_FR5, 0);
+  sljit_emit_simd_lane_replicate(compiler, reg_type | SLJIT_SIMD_ELEM_32, SLJIT_VR5, SLJIT_VR5, 0);
 
 #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32
 restart = LABEL();
@@ -589,11 +589,11 @@ value = (reg_type == SLJIT_SIMD_REG_256) ? ~0x1f : ~0xf;
 OP2(SLJIT_AND, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, value);
 
 value = (reg_type == SLJIT_SIMD_REG_256) ? SLJIT_SIMD_MEM_ALIGNED_256 : SLJIT_SIMD_MEM_ALIGNED_128;
-sljit_emit_simd_mov(compiler, reg_type | value, SLJIT_FR0, SLJIT_MEM1(STR_PTR), 0);
+sljit_emit_simd_mov(compiler, reg_type | value, SLJIT_VR0, SLJIT_MEM1(STR_PTR), 0);
 
 jump[0] = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, STR_PTR, 0);
 
-sljit_emit_simd_mov(compiler, reg_type, SLJIT_FR1, SLJIT_MEM1(STR_PTR), -(sljit_sw)diff);
+sljit_emit_simd_mov(compiler, reg_type, SLJIT_VR1, SLJIT_MEM1(STR_PTR), -(sljit_sw)diff);
 jump[1] = JUMP(SLJIT_JUMP);
 
 JUMPHERE(jump[0]);
@@ -668,8 +668,8 @@ for (i = 0; i < 4; i++)
   fast_forward_char_pair_sse2_compare(compiler, compare1_type, reg_type, i, data1_ind, cmp1a_ind, cmp1b_ind, tmp1_ind);
   }
 
-sljit_emit_simd_op2(compiler, SLJIT_SIMD_OP2_AND | reg_type, SLJIT_FR0, SLJIT_FR0, SLJIT_FR1, 0);
-sljit_emit_simd_sign(compiler, SLJIT_SIMD_STORE | reg_type | SLJIT_SIMD_ELEM_8, SLJIT_FR0, TMP1, 0);
+sljit_emit_simd_op2(compiler, SLJIT_SIMD_OP2_AND | reg_type, SLJIT_VR0, SLJIT_VR0, SLJIT_VR1, 0);
+sljit_emit_simd_sign(compiler, SLJIT_SIMD_STORE | reg_type | SLJIT_SIMD_ELEM_8, SLJIT_VR0, TMP1, 0);
 
 /* Ignore matches before the first STR_PTR. */
 OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0);
@@ -687,8 +687,8 @@ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, value);
 add_jump(compiler, &common->failed_match, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0));
 
 value = (reg_type == SLJIT_SIMD_REG_256) ? SLJIT_SIMD_MEM_ALIGNED_256 : SLJIT_SIMD_MEM_ALIGNED_128;
-sljit_emit_simd_mov(compiler, reg_type | value, SLJIT_FR0, SLJIT_MEM1(STR_PTR), 0);
-sljit_emit_simd_mov(compiler, reg_type, SLJIT_FR1, SLJIT_MEM1(STR_PTR), -(sljit_sw)diff);
+sljit_emit_simd_mov(compiler, reg_type | value, SLJIT_VR0, SLJIT_MEM1(STR_PTR), 0);
+sljit_emit_simd_mov(compiler, reg_type, SLJIT_VR1, SLJIT_MEM1(STR_PTR), -(sljit_sw)diff);
 
 for (i = 0; i < 4; i++)
   {
@@ -696,8 +696,8 @@ for (i = 0; i < 4; i++)
   fast_forward_char_pair_sse2_compare(compiler, compare2_type, reg_type, i, data2_ind, cmp2a_ind, cmp2b_ind, tmp1_ind);
   }
 
-sljit_emit_simd_op2(compiler, SLJIT_SIMD_OP2_AND | reg_type, SLJIT_FR0, SLJIT_FR0, SLJIT_FR1, 0);
-sljit_emit_simd_sign(compiler, SLJIT_SIMD_STORE | reg_type | SLJIT_SIMD_ELEM_8, SLJIT_FR0, TMP1, 0);
+sljit_emit_simd_op2(compiler, SLJIT_SIMD_OP2_AND | reg_type, SLJIT_VR0, SLJIT_VR0, SLJIT_VR1, 0);
+sljit_emit_simd_sign(compiler, SLJIT_SIMD_STORE | reg_type | SLJIT_SIMD_ELEM_8, SLJIT_VR0, TMP1, 0);
 
 CMPTO(SLJIT_ZERO, TMP1, 0, SLJIT_IMM, 0, start);