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parser: Initialize unused instruction source registers

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The 965 driver expects unused source registers (e.g., SrcReg[2] of a
DP3 instruction) to have a register file of PROGRAM_UNDEFINED.
Initializing these source registers ensures that this happens.
This commit is contained in:
Ian Romanick 2009-07-22 12:29:48 -07:00
parent 69d3d19b54
commit aec4291706
2 changed files with 8 additions and 0 deletions
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4
src/mesa/shader/program_parse.tab.c
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@ -4558,11 +4558,15 @@ asm_instruction_ctor(gl_inst_opcode op,
if (src1 != NULL) {
inst->Base.SrcReg[1] = src1->Base;
inst->SrcReg[1] = *src1;
} else {
init_src_reg(& inst->SrcReg[1]);
}
if (src2 != NULL) {
inst->Base.SrcReg[2] = src2->Base;
inst->SrcReg[2] = *src2;
} else {
init_src_reg(& inst->SrcReg[2]);
}
}

4
src/mesa/shader/program_parse.y
View file

@ -1774,11 +1774,15 @@ asm_instruction_ctor(gl_inst_opcode op,
if (src1 != NULL) {
inst->Base.SrcReg[1] = src1->Base;
inst->SrcReg[1] = *src1;
} else {
init_src_reg(& inst->SrcReg[1]);
}
if (src2 != NULL) {
inst->Base.SrcReg[2] = src2->Base;
inst->SrcReg[2] = *src2;
} else {
init_src_reg(& inst->SrcReg[2]);
}
}