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Use right-recursing in parser rule inst_option_list

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This recursing cost less memory. It is recommended by Bison.
This commit is contained in:
Homer Hsing 2012-09-21 12:35:35 +08:00 committed by Damien Lespiau
parent a7b1c09d18
commit 5d589dbe13
1 changed files with 6 additions and 6 deletions
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12
assembler/src/gram.y
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@ -2434,10 +2434,10 @@ instoptions: /* empty */
{ $$ = $2; } { $$ = $2; }
; ;
instoption_list:instoption COMMA instoption_list instoption_list:instoption_list COMMA instoption
{ {
$$ = $3; $$ = $1;
switch ($1) { switch ($3) {
case ALIGN1: case ALIGN1:
$$.header.access_mode = BRW_ALIGN_1; $$.header.access_mode = BRW_ALIGN_1;
break; break;
@ -2475,10 +2475,10 @@ instoption_list:instoption COMMA instoption_list
$$.header.acc_wr_control = BRW_ACCWRCTRL_ACCWRCTRL; $$.header.acc_wr_control = BRW_ACCWRCTRL_ACCWRCTRL;
} }
} }
| instoption instoption_list | instoption_list instoption
{ {
$$ = $2; $$ = $1;
switch ($1) { switch ($2) {
case ALIGN1: case ALIGN1:
$$.header.access_mode = BRW_ALIGN_1; $$.header.access_mode = BRW_ALIGN_1;
break; break;