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instrs: Remove incorrect NFx specifiers

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The new trie implementation is more flexible and allows omitting
prefixes even with a ModRM specifier in the opcode. Use this flexibility
to simplify instruction descriptions.
This commit is contained in:
Alexis Engelke
2021-01-23 13:20:57 +01:00
parent dc399390a4
commit 85fdaa3a9b
3 changed files with 30 additions and 19 deletions
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14
tests/test_decode.c
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@@ -170,6 +170,20 @@ main(int argc, char** argv)
// [reg+s*reg+disp32]
TEST64("\x42\x01\x84\x25\x01\x00\x00\x00", "add dword ptr [rbp+1*r12+0x1], eax");
TEST("\x0f\xbc\xc0", "bsf eax, eax");
TEST("\x66\x0f\xbc\xc0", "bsf ax, ax");
TEST("\xf2\x0f\xbc\xc0", "bsf eax, eax");
TEST("\x66\xf2\x0f\xbc\xc0", "bsf ax, ax");
TEST("\xf3\x0f\xbc\xc0", "tzcnt eax, eax");
TEST("\x66\xf3\x0f\xbc\xc0", "tzcnt ax, ax");
TEST32("\x0f\x01\x00", "sgdt [eax]");
TEST64("\x0f\x01\x00", "sgdt [rax]");
TEST32("\x66\x0f\x01\x00", "sgdt [eax]");
TEST64("\x66\x0f\x01\x00", "sgdt [rax]");
TEST32("\xf2\x0f\x01\x00", "sgdt [eax]");
TEST64("\xf2\x0f\x01\x00", "sgdt [rax]");
TEST32("\xf3\x0f\x01\x00", "sgdt [eax]");
TEST64("\xf3\x0f\x01\x00", "sgdt [rax]");
TEST("\x04\x01", "add al, 0x1");
TEST("\x66\x68\xff\xad", "pushw 0xadff");
TEST32("\x68\xff\xad\x90\xbc", "push 0xbc90adff");