diff options
| author | Homer Hsing <homer.xing@intel.com> | 2012-09-18 13:25:53 +0800 |
|---|---|---|
| committer | Damien Lespiau <damien.lespiau@intel.com> | 2013-03-04 15:54:32 +0000 |
| commit | 74383f4db4c348be1fd3c227653493c8eb5dab67 (patch) | |
| tree | 5643c2661530ad112cb0d41b8835620e0f9b7496 /assembler | |
| parent | 375d1fd7b2858accb91c277b8606eaa98837ce75 (diff) | |
Explain the difference between binaryinstruction and binaryaccinstruction
Developers may add new instructions in wrong place in the future
if they don't know the difference between binaryinstruction and
binaryaccinstruction.
Diffstat (limited to 'assembler')
| -rw-r--r-- | assembler/src/gram.y | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/assembler/src/gram.y b/assembler/src/gram.y index ad53a084..58940cbe 100644 --- a/assembler/src/gram.y +++ b/assembler/src/gram.y @@ -367,6 +367,8 @@ instrseq: instrseq pragma ; /* 1.4.1: Instruction groups */ +// binaryinstruction: Source operands cannot be accumulators +// binaryaccinstruction: Source operands can be accumulators instruction: unaryinstruction | binaryinstruction | binaryaccinstruction @@ -417,6 +419,7 @@ unaryop: MOV | FRC | RNDU | RNDD | RNDE | RNDZ | NOT | LZD | BFREV | CBIT | F16TO32 | F32TO16 | FBH | FBL ; +// Source operands cannot be accumulators binaryinstruction: predicate binaryop conditionalmodifier saturate execsize dst src srcimm instoptions @@ -454,6 +457,7 @@ binaryinstruction: binaryop: MUL | MAC | MACH | LINE | SAD2 | SADA2 | DP4 | DPH | DP3 | DP2 | SUBB ; +// Source operands can be accumulators binaryaccinstruction: predicate binaryaccop conditionalmodifier saturate execsize dst srcacc srcimm instoptions |