diff options
| author | Xiang, Haihao <haihao.xiang@intel.com> | 2014-03-25 13:55:14 +0800 |
|---|---|---|
| committer | Damien Lespiau <damien.lespiau@intel.com> | 2014-05-19 22:49:25 +0100 |
| commit | 737d248a127f51d20555de53b9dfe28ca4682b54 (patch) | |
| tree | bca047ba8fcc328cc432425881926dd2ea5e50d1 | |
| parent | 881afff297835faf67f55ed1e9db596e57fb4cd7 (diff) | |
assembler: distinguish the channel of .z from the condition of .z
The scratch patch only works for generic register
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75631
Tested-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
| -rw-r--r-- | assembler/lex.l | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/assembler/lex.l b/assembler/lex.l index 81a52baf..1ba576bf 100644 --- a/assembler/lex.l +++ b/assembler/lex.l @@ -24,6 +24,8 @@ int yycolumn = 1; %x CHANNEL %x LINENUMBER %x FILENAME +%x REG +%x DOTSEL %% \/\/.*[\r\n] { yycolumn = 1; } /* eat up single-line comments */ @@ -247,8 +249,46 @@ yylval.integer = BRW_CHANNEL_W; [gr][0-9]+ { yylval.integer = atoi(yytext + 1); + BEGIN(REG); return GENREG; } +<REG>"<" { return LANGLE; } +<REG>[0-9][0-9]* { + yylval.integer = strtoul(yytext, NULL, 10); + return INTEGER; +} +<REG>">" { return RANGLE; } + +<REG>"," { return COMMA; } +<REG>"." { BEGIN(DOTSEL); return DOT; } +<REG>";" { return SEMICOLON; } + +<DOTSEL>"x" { + yylval.integer = BRW_CHANNEL_X; + return X; +} +<DOTSEL>"y" { + yylval.integer = BRW_CHANNEL_Y; + return Y; +} +<DOTSEL>"z" { + yylval.integer = BRW_CHANNEL_Z; + return Z; +} +<DOTSEL>"w" { + yylval.integer = BRW_CHANNEL_W; + return W; +} +<DOTSEL>[0-9][0-9]* { + yylval.integer = strtoul(yytext, NULL, 10); + BEGIN(REG); + return INTEGER; +} +<DOTSEL>. { + yyless(0); + BEGIN(INITIAL); +} + [gr] { return GENREGFILE; } @@ -296,6 +336,11 @@ yylval.integer = BRW_CHANNEL_W; return LMS; } +<REG>. { + yyless(0); + BEGIN(INITIAL); +} + /* * Lexing of register types should probably require the ":" symbol specified * in the BNF of the assembly, but our existing source didn't use that syntax. |