diff options
| author | Andrew Chambers <[email protected]> | 2021-10-10 17:40:56 +1300 |
|---|---|---|
| committer | Andrew Chambers <[email protected]> | 2021-10-10 17:40:56 +1300 |
| commit | bf562b2c9b6fa61751d22ab30365fe9289425d84 (patch) | |
| tree | 01d47c44ede7f80427edd23b966ab5c010222475 /asm.peg | |
| parent | d6f46d0e72aefed61e2887ce1d6f4601b48648fb (diff) | |
Add test instruction.
Diffstat (limited to 'asm.peg')
| -rw-r--r-- | asm.peg | 19 |
1 files changed, 18 insertions, 1 deletions
@@ -71,6 +71,7 @@ instr = | i:sar { $$ = i; } | i:shl { $$ = i; } | i:shr { $$ = i; } + | i:test { $$ = i; } | i:xchg { $$ = i; } | i:xor { $$ = i; } @@ -153,7 +154,6 @@ imul = "imul" ( | 'w'? ws s:r16 ws? ',' ws? d:r16 { $$ = INSTR2(11, s, d); } | 'l'? ws s:r32 ws? ',' ws? d:r32 { $$ = INSTR2(12, s, d); } | 'q'? ws s:r64 ws? ',' ws? d:r64 { $$ = INSTR2(13, s, d); } - | 'w'? ws i:imm16 ',' ws? s:m ws? ',' ws? d:r16 { $$ = INSTR3(14, s, d, i); } | 'l'? ws i:imm32 ',' ws? s:m ws? ',' ws? d:r32 { $$ = INSTR3(15, s, d, i); } | 'q'? ws i:imm32 ',' ws? s:m ws? ',' ws? d:r64 { $$ = INSTR3(16, s, d, i); } @@ -239,6 +239,7 @@ shr = 'shr' args:shift-args {$$ = args; $$.instr.kind = ASM_SHR} shift-args = + # There are some more specific variants we could add. 'w' ws c:cl ws? ',' ws? d:m { $$ = INSTR2(0, c, d); } | 'l' ws c:cl ws? ',' ws? d:m { $$ = INSTR2(1, c, d); } | 'q' ws c:cl ws? ',' ws? d:m { $$ = INSTR2(2, c, d); } @@ -252,6 +253,22 @@ shift-args = | 'l'? ws i:imm8 ws? ',' ws? d:r32 { $$ = INSTR2(10, i, d); } | 'q'? ws i:imm8 ws? ',' ws? d:r64 { $$ = INSTR2(11, i, d); } +test = "test" ( + # There are some more specific variants we could add. + 'b'? ws s:imm8 ws? ',' ws? d:al { $$ = INSTR2(0, s, d); } + | 'w'? ws s:imm16 ws? ',' ws? d:ax { $$ = INSTR2(1, s, d); } + | 'l'? ws s:imm32 ws? ',' ws? d:eax { $$ = INSTR2(2, s, d); } + | 'q'? ws s:imm32 ws? ',' ws? d:rax { $$ = INSTR2(3, s, d); } + | args:imm-rm-opargs { args.instr.variant += 4; $$ = args; } + | 'b'? ws s:r8 ws? ',' ws? d:m { $$ = INSTR2(12, s, d); } + | 'w'? ws s:r16 ws? ',' ws? d:m { $$ = INSTR2(13, s, d); } + | 'l'? ws s:r32 ws? ',' ws? d:m { $$ = INSTR2(14, s, d); } + | 'q'? ws s:r64 ws? ',' ws? d:m { $$ = INSTR2(15, s, d); } + | 'b'? ws s:r8 ws? ',' ws? d:r8 { $$ = INSTR2(16, s, d); } + | 'w'? ws s:r16 ws? ',' ws? d:r16 { $$ = INSTR2(17, s, d); } + | 'l'? ws s:r32 ws? ',' ws? d:r32 { $$ = INSTR2(18, s, d); } + | 'q'? ws s:r64 ws? ',' ws? d:r64 { $$ = INSTR2(19, s, d); } +) { $$.instr.kind = ASM_TEST; } r64-or-rip = ( r:r64 |