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Fix splat opcodes, add V128 handling in preserve_referenced_local and reserve_block_ret

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This commit is contained in:
James Marsh 2025-01-21 18:23:58 +00:00 committed by Marcin Kolny
parent 474acd72e3
commit b2804c004f
2 changed files with 136 additions and 36 deletions
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41
core/iwasm/interpreter/wasm_interp_fast.c
View File

@ -5923,12 +5923,11 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
uint32 offset, addr;
offset = read_uint32(frame_ip);
V128 data = POP_V128();
addr = POP_I32();
int32 base = POP_I32();
offset += base;
addr = GET_OPERAND(uint32, I32, 0);
V128 data;
data = POP_V128();
CHECK_MEMORY_OVERFLOW(16);
CHECK_MEMORY_OVERFLOW(32);
STORE_V128(maddr, data);
break;
}
@ -5948,14 +5947,14 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
case SIMD_v8x16_shuffle:
{
V128 indices;
V128 v2 = POP_V128();
V128 v1 = POP_V128();
addr_ret = GET_OFFSET();
bh_memcpy_s(&indices, sizeof(V128), frame_ip,
sizeof(V128));
frame_ip += sizeof(V128);
V128 v2 = POP_V128();
V128 v1 = POP_V128();
addr_ret = GET_OFFSET();
V128 result;
for (int i = 0; i < 16; i++) {
uint8_t index = indices.i8x16[i];
@ -5983,6 +5982,7 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
SIMDE_V128_TO_SIMD_V128(simde_result, result);
PUT_V128_TO_ADDR(frame_lp + addr_ret, result);
break;
}
/* Splat */
@ -6008,7 +6008,15 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
case SIMD_i8x16_splat:
{
SIMD_SPLAT_OP_I32(simde_wasm_i8x16_splat);
uint32 val = POP_I32();
addr_ret = GET_OFFSET();
simde_v128_t simde_result = simde_wasm_i8x16_splat(val);
V128 result;
SIMDE_V128_TO_SIMD_V128(simde_result, result);
PUT_V128_TO_ADDR(frame_lp + addr_ret, result);
break;
}
case SIMD_i16x8_splat:
@ -6140,7 +6148,18 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
/* i8x16 comparison operations */
case SIMD_i8x16_eq:
{
SIMD_DOUBLE_OP(simde_wasm_i8x16_eq);
V128 v2 = POP_V128();
V128 v1 = POP_V128();
addr_ret = GET_OFFSET();
simde_v128_t simde_result =
simde_wasm_i8x16_eq(SIMD_V128_TO_SIMDE_V128(v1),
SIMD_V128_TO_SIMDE_V128(v2));
V128 result;
SIMDE_V128_TO_SIMD_V128(simde_result, result);
PUT_V128_TO_ADDR(frame_lp + addr_ret, result);
break;
}
case SIMD_i8x16_ne:

93
core/iwasm/interpreter/wasm_loader.c
View File

@ -9125,6 +9125,9 @@ preserve_referenced_local(WASMLoaderContext *loader_ctx, uint8 opcode,
if (is_32bit_type(cur_type))
i++;
else if (cur_type == VALUE_TYPE_V128) {
i += 4;
}
else
i += 2;
}
@ -9155,7 +9158,10 @@ preserve_local_for_block(WASMLoaderContext *loader_ctx, uint8 opcode,
return false;
}
if (is_32bit_type(cur_type)) {
if (cur_type == VALUE_TYPE_V128) {
i += 4;
}
else if (is_32bit_type(cur_type)) {
i++;
}
else {
@ -9498,6 +9504,8 @@ wasm_loader_get_const_offset(WASMLoaderContext *ctx, uint8 type, void *value,
|| (type == VALUE_TYPE_EXTERNREF
&& *(int32 *)value == c->value.i32)
#endif
|| (type == VALUE_TYPE_V128
&& (0 == memcmp(value, &(c->value.v128), sizeof(V128))))
|| (type == VALUE_TYPE_F64
&& (0 == memcmp(value, &(c->value.f64), sizeof(float64))))
|| (type == VALUE_TYPE_F32
@ -9508,6 +9516,9 @@ wasm_loader_get_const_offset(WASMLoaderContext *ctx, uint8 type, void *value,
}
if (is_32bit_type(c->value_type))
operand_offset += 1;
else if (c->value_type == VALUE_TYPE_V128) {
operand_offset += 4;
}
else
operand_offset += 2;
}
@ -9559,6 +9570,10 @@ wasm_loader_get_const_offset(WASMLoaderContext *ctx, uint8 type, void *value,
c->value.i32 = *(int32 *)value;
ctx->const_cell_num++;
break;
case VALUE_TYPE_V128:
bh_memcpy_s(&(c->value.v128), sizeof(WASMValue), value,
sizeof(V128));
ctx->const_cell_num++;
#if WASM_ENABLE_REF_TYPES != 0 && WASM_ENABLE_GC == 0
case VALUE_TYPE_EXTERNREF:
case VALUE_TYPE_FUNCREF:
@ -9760,17 +9775,22 @@ reserve_block_ret(WASMLoaderContext *loader_ctx, uint8 opcode,
block_type, &return_types, &reftype_maps, &reftype_map_count);
#endif
/* If there is only one return value, use EXT_OP_COPY_STACK_TOP/_I64 instead
* of EXT_OP_COPY_STACK_VALUES for interpreter performance. */
/* If there is only one return value, use EXT_OP_COPY_STACK_TOP/_I64/V128
* instead of EXT_OP_COPY_STACK_VALUES for interpreter performance. */
if (return_count == 1) {
uint8 cell = (uint8)wasm_value_type_cell_num(return_types[0]);
if (cell <= 2 /* V128 isn't supported whose cell num is 4 */
&& block->dynamic_offset != *(loader_ctx->frame_offset - cell)) {
if (block->dynamic_offset != *(loader_ctx->frame_offset - cell)) {
/* insert op_copy before else opcode */
if (opcode == WASM_OP_ELSE)
skip_label();
if (cell == 4) {
emit_label(EXT_OP_COPY_STACK_TOP_V128);
}
else {
emit_label(cell == 1 ? EXT_OP_COPY_STACK_TOP
: EXT_OP_COPY_STACK_TOP_I64);
}
emit_operand(loader_ctx, *(loader_ctx->frame_offset - cell));
emit_operand(loader_ctx, block->dynamic_offset);
@ -9805,6 +9825,31 @@ reserve_block_ret(WASMLoaderContext *loader_ctx, uint8 opcode,
for (i = (int32)return_count - 1; i >= 0; i--) {
uint8 cells = (uint8)wasm_value_type_cell_num(return_types[i]);
if (frame_offset - cells < loader_ctx->frame_offset_bottom) {
set_error_buf(error_buf, error_buf_size, "frame offset underflow");
goto fail;
}
if (cells == 4) {
bool needs_copy = false;
int16 v128_dynamic = dynamic_offset - cells;
for (int j = 0; j < 4; j++) {
if (*(frame_offset - j - 1) != (v128_dynamic + j)) {
needs_copy = true;
break;
}
}
if (needs_copy) {
value_count++;
total_cel_num += cells;
}
frame_offset -= cells;
dynamic_offset = v128_dynamic;
}
else {
frame_offset -= cells;
dynamic_offset -= cells;
if (dynamic_offset != *frame_offset) {
@ -9812,6 +9857,7 @@ reserve_block_ret(WASMLoaderContext *loader_ctx, uint8 opcode,
total_cel_num += cells;
}
}
}
if (value_count) {
uint32 j = 0;
@ -9845,10 +9891,32 @@ reserve_block_ret(WASMLoaderContext *loader_ctx, uint8 opcode,
dynamic_offset = dynamic_offset_org;
for (i = (int32)return_count - 1, j = 0; i >= 0; i--) {
uint8 cell = (uint8)wasm_value_type_cell_num(return_types[i]);
if (cell == 4) {
bool needs_copy = false;
int16 v128_dynamic = dynamic_offset - cell;
for (int k = 0; k < 4; k++) {
if (*(frame_offset - k - 1) != (v128_dynamic + k)) {
needs_copy = true;
break;
}
}
if (needs_copy) {
cells[j] = cell;
src_offsets[j] = *(frame_offset - cell);
dst_offsets[j] = v128_dynamic;
j++;
}
frame_offset -= cell;
dynamic_offset = v128_dynamic;
}
else {
frame_offset -= cell;
dynamic_offset -= cell;
if (dynamic_offset != *frame_offset) {
/* cell num */
cells[j] = cell;
/* src offset */
src_offsets[j] = *frame_offset;
@ -9856,9 +9924,18 @@ reserve_block_ret(WASMLoaderContext *loader_ctx, uint8 opcode,
dst_offsets[j] = dynamic_offset;
j++;
}
}
if (opcode == WASM_OP_ELSE) {
if (cell == 4) {
for (int k = 0; k < cell; k++) {
*(frame_offset + k) = dynamic_offset + k;
}
}
else {
*frame_offset = dynamic_offset;
}
}
else {
loader_ctx->frame_offset = frame_offset;
loader_ctx->dynamic_offset = dynamic_offset;
@ -13031,6 +13108,10 @@ re_scan:
emit_label(EXT_OP_TEE_LOCAL_FAST);
emit_byte(loader_ctx, (uint8)local_offset);
}
else if (local_type == VALUE_TYPE_V128) {
emit_label(EXT_OP_TEE_LOCAL_FAST_V128);
emit_byte(loader_ctx, (uint8)local_offset);
}
else {
emit_label(EXT_OP_TEE_LOCAL_FAST_I64);
emit_byte(loader_ctx, (uint8)local_offset);