diff options
| -rw-r--r-- | yjit_asm.c | 10 | ||||
| -rw-r--r-- | yjit_asm_tests.c | 2 |
2 files changed, 11 insertions, 1 deletions
diff --git a/yjit_asm.c b/yjit_asm.c index c47e1fd274..76fc3bf8db 100644 --- a/yjit_asm.c +++ b/yjit_asm.c @@ -1664,7 +1664,15 @@ void test(codeblock_t* cb, x86opnd_t rm_opnd, x86opnd_t test_opnd) else { assert (test_opnd.num_bits == rm_opnd.num_bits); - cb_write_rm(cb, false, rm_opnd.num_bits == 64, test_opnd, rm_opnd, 0xFF, 1, 0x85); + + if (rm_opnd.num_bits == 8) + { + cb_write_rm(cb, false, false, test_opnd, rm_opnd, 0xFF, 1, 0x84); + } + else + { + cb_write_rm(cb, rm_opnd.num_bits == 16, rm_opnd.num_bits == 64, test_opnd, rm_opnd, 0xFF, 1, 0x85); + } } } diff --git a/yjit_asm_tests.c b/yjit_asm_tests.c index da58bdd3b5..7fc40d497b 100644 --- a/yjit_asm_tests.c +++ b/yjit_asm_tests.c @@ -323,6 +323,8 @@ void run_tests() cb_set_pos(cb, 0); sub(cb, RAX, imm_opnd(2)); check_bytes(cb, "4883E802"); // test + cb_set_pos(cb, 0); test(cb, AL, AL); check_bytes(cb, "84C0"); + cb_set_pos(cb, 0); test(cb, AX, AX); check_bytes(cb, "6685C0"); cb_set_pos(cb, 0); test(cb, CL, imm_opnd(8)); check_bytes(cb, "F6C108"); cb_set_pos(cb, 0); test(cb, DL, imm_opnd(7)); check_bytes(cb, "F6C207"); cb_set_pos(cb, 0); test(cb, RCX, imm_opnd(8)); check_bytes(cb, "F6C108"); |