| @@ -190,6 +190,47 @@ static void asm_unary_opcode(TCCState *s1, int token) · 189 unmodified lines |
| 190 | 190 | } |
| 191 | 191 | } |
| 192 | 192 | |
| 193 | +static void asm_binary_opcode(TCCState *s1, int token) |
| 194 | +{ |
| 195 | + Operand ops[2]; |
| 196 | + parse_operand(s1, &ops[0]); |
| 197 | + if (tok == ',') |
| 198 | + next(); |
| 199 | + else |
| 200 | + expect("','"); |
| 201 | + parse_operand(s1, &ops[1]); |
| 202 | + if (ops[0].type != OP_REG32) { |
| 203 | + expect("(destination operand) register"); |
| 204 | + return; |
| 205 | + } |
| 206 | + |
| 207 | + if (ops[1].type != OP_REG32) |
| 208 | + expect("(source operand) register"); |
| 209 | + else switch (ARM_INSTRUCTION_GROUP(token)) { |
| 210 | + case TOK_ASM_clzeq: |
| 211 | + asm_emit_opcode(token, 0x16f0f10 | (ops[0].reg << 12) | ops[1].reg); |
| 212 | + break; |
| 213 | + case TOK_ASM_sxtbeq: |
| 214 | + /* TODO: optional ROR (8|16|24) */ |
| 215 | + asm_emit_opcode(token, 0x6af0070 | (ops[0].reg << 12) | ops[1].reg); |
| 216 | + break; |
| 217 | + case TOK_ASM_sxtheq: |
| 218 | + /* TODO: optional ROR (8|16|24) */ |
| 219 | + asm_emit_opcode(token, 0x6bf0070 | (ops[0].reg << 12) | ops[1].reg); |
| 220 | + break; |
| 221 | + case TOK_ASM_uxtbeq: |
| 222 | + /* TODO: optional ROR (8|16|24) */ |
| 223 | + asm_emit_opcode(token, 0x6ef0070 | (ops[0].reg << 12) | ops[1].reg); |
| 224 | + break; |
| 225 | + case TOK_ASM_uxtheq: |
| 226 | + /* TODO: optional ROR (8|16|24) */ |
| 227 | + asm_emit_opcode(token, 0x6ff0070 | (ops[0].reg << 12) | ops[1].reg); |
| 228 | + break; |
| 229 | + default: |
| 230 | + expect("binary instruction"); |
| 231 | + } |
| 232 | +} |
| 233 | + |
| 193 | 234 | static void asm_block_data_transfer_opcode(TCCState *s1, int token) |
| 194 | 235 | { |
| 195 | 236 | uint32_t opcode; |
| @@ -268,6 +309,12 @@ ST_FUNC void asm_opcode(TCCState *s1, int token) · 72 unmodified lines |
| 268 | 309 | return asm_nullary_opcode(token); |
| 269 | 310 | case TOK_ASM_swieq: |
| 270 | 311 | return asm_unary_opcode(s1, token); |
| 312 | + case TOK_ASM_clzeq: |
| 313 | + case TOK_ASM_sxtbeq: |
| 314 | + case TOK_ASM_sxtheq: |
| 315 | + case TOK_ASM_uxtbeq: |
| 316 | + case TOK_ASM_uxtheq: |
| 317 | + return asm_binary_opcode(s1, token); |
| 271 | 318 | default: |
| 272 | 319 | expect("known instruction"); |
| 273 | 320 | } |