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comparison graal/GraalCompiler/src/com/sun/c1x/ir/ComputeLinearScanOrder.java @ 2773:27512ea6bbcb

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exception dispatch simplification: * BlockMap creates exception dispatch blocks (so they're iterated in the right order) * GraphBuilder uses exception dispatch blocks, simplified handleException, removed updateDispatchChain * simplified mergeOrClone * removed successor & predecessor methods from BlockBegin
author Lukas Stadler <lukas.stadler@jku.at>
date Tue, 24 May 2011 12:07:17 +0200
parents 03b80fb10ae9
children 2ac7b30b7290
comparison
equal deleted inserted replaced
2772:3e3338a1abb9 2773:27512ea6bbcb
175 } 175 }
176 } 176 }
177 177
178 private int computeWeight(BlockBegin cur) { 178 private int computeWeight(BlockBegin cur) {
179 BlockBegin singleSux = null; 179 BlockBegin singleSux = null;
180 if (cur.numberOfSux() == 1) { 180 BlockEnd end = cur.end();
181 singleSux = cur.suxAt(0); 181 if (end.blockSuccessorCount() == 1) {
182 singleSux = end.blockSuccessor(0);
182 } 183 }
183 184
184 // limit loop-depth to 15 bit (only for security reason, it will never be so big) 185 // limit loop-depth to 15 bit (only for security reason, it will never be so big)
185 int loopDepth = 0; // TODO(tw): Assign loop depth 186 int loopDepth = 0; // TODO(tw): Assign loop depth
186 int weight = (loopDepth & 0x7FFF) << 16; 187 int weight = (loopDepth & 0x7FFF) << 16;