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py/asmx64: Extend asm_x64_mov_reg_pcrel to accept high registers.

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Damien George 2018-10-01 12:34:36 +10:00
parent 1dc720dc01
commit 5b19916d6e
1 changed files with 1 additions and 2 deletions
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py/asmx64.c
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@ -579,10 +579,9 @@ void asm_x64_mov_local_addr_to_r64(asm_x64_t *as, int local_num, int dest_r64) {
} }
void asm_x64_mov_reg_pcrel(asm_x64_t *as, int dest_r64, mp_uint_t label) { void asm_x64_mov_reg_pcrel(asm_x64_t *as, int dest_r64, mp_uint_t label) {
assert(dest_r64 < 8);
mp_uint_t dest = get_label_dest(as, label); mp_uint_t dest = get_label_dest(as, label);
mp_int_t rel = dest - (as->base.code_offset + 7); mp_int_t rel = dest - (as->base.code_offset + 7);
asm_x64_write_byte_3(as, REX_PREFIX | REX_W, OPCODE_LEA_MEM_TO_R64, MODRM_R64(dest_r64) | MODRM_RM_R64(5)); asm_x64_write_byte_3(as, REX_PREFIX | REX_W | REX_R_FROM_R64(dest_r64), OPCODE_LEA_MEM_TO_R64, MODRM_R64(dest_r64) | MODRM_RM_R64(5));
asm_x64_write_word32(as, rel); asm_x64_write_word32(as, rel);
} }