update some comments
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@@ -2036,7 +2036,7 @@ exec_instruction(
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if (mach->ExecMask) {
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/* do the call */
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/* push Cond, Loop, Cont stacks */
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/* push the Cond, Loop, Cont stacks */
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assert(mach->CondStackTop < TGSI_EXEC_MAX_COND_NESTING);
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mach->CondStack[mach->CondStackTop++] = mach->CondMask;
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assert(mach->LoopStackTop < TGSI_EXEC_MAX_LOOP_NESTING);
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@@ -2054,13 +2054,13 @@ exec_instruction(
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break;
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case TGSI_OPCODE_RET:
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/* XXX examine ExecMask to determine if we should _really_ return */
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/* pop Cond, Loop, Cont stacks */
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mach->FuncMask &= ~mach->ExecMask;
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UPDATE_EXEC_MASK(mach);
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if (mach->ExecMask == 0x0) {
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/* really return now (otherwise, keep executing */
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/* pop the Cond, Loop, Cont stacks */
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assert(mach->CondStackTop > 0);
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mach->CondMask = mach->CondStack[--mach->CondStackTop];
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assert(mach->LoopStackTop > 0);
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