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bzero instructions before filling in the bits we care about.

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This avoids some set bits in padding fields.
This commit is contained in:
Eric Anholt 2006-08-24 10:51:48 -07:00 committed by Damien Lespiau
parent 7c330fbf3a
commit 56b50b6803
1 changed files with 5 additions and 0 deletions
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5
assembler/gram.y
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@ -142,6 +142,7 @@ unaryinstruction:
predicate unaryop conditionalmodifier saturate execsize predicate unaryop conditionalmodifier saturate execsize
dst srcaccimm instoptions dst srcaccimm instoptions
{ {
bzero(&$$, sizeof($$));
$$.header.opcode = $2; $$.header.opcode = $2;
$$.header.destreg__conditionalmod = $3; $$.header.destreg__conditionalmod = $3;
$$.header.saturate = $4; $$.header.saturate = $4;
@ -159,6 +160,7 @@ binaryinstruction:
predicate binaryop conditionalmodifier saturate execsize predicate binaryop conditionalmodifier saturate execsize
dst src srcimm instoptions dst src srcimm instoptions
{ {
bzero(&$$, sizeof($$));
$$.header.opcode = $2; $$.header.opcode = $2;
$$.header.destreg__conditionalmod = $3; $$.header.destreg__conditionalmod = $3;
$$.header.saturate = $4; $$.header.saturate = $4;
@ -177,6 +179,7 @@ binaryaccinstruction:
predicate binaryaccop conditionalmodifier saturate execsize predicate binaryaccop conditionalmodifier saturate execsize
dst srcacc srcimm instoptions dst srcacc srcimm instoptions
{ {
bzero(&$$, sizeof($$));
$$.header.opcode = $2; $$.header.opcode = $2;
$$.header.destreg__conditionalmod = $3; $$.header.destreg__conditionalmod = $3;
$$.header.saturate = $4; $$.header.saturate = $4;
@ -197,6 +200,7 @@ triinstruction: sendinstruction
sendinstruction: predicate SEND INTEGER execsize dst payload msgtarget sendinstruction: predicate SEND INTEGER execsize dst payload msgtarget
MSGLEN INTEGER RETURNLEN INTEGER instoptions MSGLEN INTEGER RETURNLEN INTEGER instoptions
{ {
bzero(&$$, sizeof($$));
$$.header.opcode = BRW_OPCODE_SEND; $$.header.opcode = BRW_OPCODE_SEND;
$$.header.execution_size = $4; $$.header.execution_size = $4;
$$.header.destreg__conditionalmod = $3; $$.header.destreg__conditionalmod = $3;
@ -204,6 +208,7 @@ sendinstruction: predicate SEND INTEGER execsize dst payload msgtarget
specialinstruction: NOP specialinstruction: NOP
{ {
bzero(&$$, sizeof($$));
$$.header.opcode = BRW_OPCODE_NOP; $$.header.opcode = BRW_OPCODE_NOP;
} }