intel/tools: Remove unnecessary reg number checking
a0 is the only address register, and cr0 is the only control register, so there's no need to return the register number, espcially since the lexer explicitly consumes "a0" and "cr0". Reviewed-by: Sagar Ghuge <sagar.ghuge@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5514>
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@ -1771,10 +1771,6 @@ indirectmsgreg:
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addrreg:
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ADDRREG subregnum
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{
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if ($1 != 0)
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error(&@1, "Address register number %d"
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"out of range\n", $1);
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int subnr = (p->devinfo->gen >= 8) ? 16 : 8;
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if ($2 > subnr)
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@ -1875,16 +1871,11 @@ statereg:
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controlreg:
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CONTROLREG subregnum
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{
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if ($1 > 0)
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error(&@1, "Control register number %d"
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" out of range\n", $1);
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if ($2 > 4)
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error(&@2, "control sub register number %d"
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" out of range\n", $2);
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$$ = brw_cr0_reg($2);
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$$.nr = $1;
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}
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;
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@ -311,7 +311,7 @@ sechalf { return SECHALF; }
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:?W { return TYPE_W; }
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/* Address registers */
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"a0" { yylval.integer = atoi(yytext + 1); BEGIN(REG); return ADDRREG; }
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"a0" { return ADDRREG; }
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/* accumulator registers */
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"acc"[0-9]+ { yylval.integer = atoi(yytext + 3); return ACCREG; }
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