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comparison graal/GraalCompiler/src/com/sun/c1x/alloc/LinearScan.java @ 2546:e1b3db8031ee

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Removed liveness marking.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 21:54:31 +0200
parents a384fac3fd34
children 274360f98f97
comparison
equal deleted inserted replaced
2545:bb050fe2901d 2546:e1b3db8031ee
2042 if (value instanceof Constant) { 2042 if (value instanceof Constant) {
2043 con = (Constant) value; 2043 con = (Constant) value;
2044 } 2044 }
2045 2045
2046 assert con == null || operand.isVariable() || operand.isConstant() || operand.isIllegal() : "Constant instructions have only constant operands (or illegal if constant is optimized away)"; 2046 assert con == null || operand.isVariable() || operand.isConstant() || operand.isIllegal() : "Constant instructions have only constant operands (or illegal if constant is optimized away)";
2047
2048 if (con != null && !con.isLive() && !operand.isConstant()) {
2049 // Unpinned constants may have a variable operand for a part of the lifetime
2050 // or may be illegal when it was optimized away,
2051 // so always use a constant operand
2052 operand = con.asConstant();
2053 }
2054 2047
2055 if (operand.isVariable()) { 2048 if (operand.isVariable()) {
2056 OperandMode mode = OperandMode.Input; 2049 OperandMode mode = OperandMode.Input;
2057 BlockBegin block = blockForId(opId); 2050 BlockBegin block = blockForId(opId);
2058 if (block.numberOfSux() == 1 && opId == block.lastLirInstructionId()) { 2051 if (block.numberOfSux() == 1 && opId == block.lastLirInstructionId()) {