Mercurial > hg > truffle

comparison src/share/vm/opto/superword.cpp @ 1058:73a726751507

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6852078: HSX 14/16 in jdk 5.0: api/javax_management api/org_omg jck tests crashes or make tnameserv crash Summary: Disable SuperWord optimization for unsafe read/write Reviewed-by: kvn, phh
author cfang
date Fri, 30 Oct 2009 10:12:52 -0700
parents 00977607da34
children c18cbe5936b8
comparison
equal deleted inserted replaced
1057:f334aec453a1 1058:73a726751507
1919 assert(!valid(), "too complex"); 1919 assert(!valid(), "too complex");
1920 return; 1920 return;
1921 } 1921 }
1922 // Match AddP(base, AddP(ptr, k*iv [+ invariant]), constant) 1922 // Match AddP(base, AddP(ptr, k*iv [+ invariant]), constant)
1923 Node* base = adr->in(AddPNode::Base); 1923 Node* base = adr->in(AddPNode::Base);
1924 //unsafe reference could not be aligned appropriately without runtime checking
1925 if (base == NULL || base->bottom_type() == Type::TOP) {
1926 assert(!valid(), "unsafe access");
1927 return;
1928 }
1924 for (int i = 0; i < 3; i++) { 1929 for (int i = 0; i < 3; i++) {
1925 if (!scaled_iv_plus_offset(adr->in(AddPNode::Offset))) { 1930 if (!scaled_iv_plus_offset(adr->in(AddPNode::Offset))) {
1926 assert(!valid(), "too complex"); 1931 assert(!valid(), "too complex");
1927 return; 1932 return;
1928 } 1933 }