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comparison src/share/vm/opto/superword.cpp @ 14513:16c705d792be

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Merge
author morris
date Fri, 28 Feb 2014 08:02:20 -0800
parents 4e7ee57b57bf
children 4ca6dc0799b6
comparison
equal deleted inserted replaced
14493:7d30d4f37d31 14513:16c705d792be
439 bool SuperWord::ref_is_alignable(SWPointer& p) { 439 bool SuperWord::ref_is_alignable(SWPointer& p) {
440 if (!p.has_iv()) { 440 if (!p.has_iv()) {
441 return true; // no induction variable 441 return true; // no induction variable
442 } 442 }
443 CountedLoopEndNode* pre_end = get_pre_loop_end(lp()->as_CountedLoop()); 443 CountedLoopEndNode* pre_end = get_pre_loop_end(lp()->as_CountedLoop());
444 assert(pre_end != NULL, "we must have a correct pre-loop");
444 assert(pre_end->stride_is_con(), "pre loop stride is constant"); 445 assert(pre_end->stride_is_con(), "pre loop stride is constant");
445 int preloop_stride = pre_end->stride_con(); 446 int preloop_stride = pre_end->stride_con();
446 447
447 int span = preloop_stride * p.scale_in_bytes(); 448 int span = preloop_stride * p.scale_in_bytes();
448 449
1979 // (iv + k) mod vector_align == 0 1980 // (iv + k) mod vector_align == 0
1980 void SuperWord::align_initial_loop_index(MemNode* align_to_ref) { 1981 void SuperWord::align_initial_loop_index(MemNode* align_to_ref) {
1981 CountedLoopNode *main_head = lp()->as_CountedLoop(); 1982 CountedLoopNode *main_head = lp()->as_CountedLoop();
1982 assert(main_head->is_main_loop(), ""); 1983 assert(main_head->is_main_loop(), "");
1983 CountedLoopEndNode* pre_end = get_pre_loop_end(main_head); 1984 CountedLoopEndNode* pre_end = get_pre_loop_end(main_head);
1984 assert(pre_end != NULL, ""); 1985 assert(pre_end != NULL, "we must have a correct pre-loop");
1985 Node *pre_opaq1 = pre_end->limit(); 1986 Node *pre_opaq1 = pre_end->limit();
1986 assert(pre_opaq1->Opcode() == Op_Opaque1, ""); 1987 assert(pre_opaq1->Opcode() == Op_Opaque1, "");
1987 Opaque1Node *pre_opaq = (Opaque1Node*)pre_opaq1; 1988 Opaque1Node *pre_opaq = (Opaque1Node*)pre_opaq1;
1988 Node *lim0 = pre_opaq->in(1); 1989 Node *lim0 = pre_opaq->in(1);
1989 1990
2143 if (!iffm->is_If()) return NULL; 2144 if (!iffm->is_If()) return NULL;
2144 Node *p_f = iffm->in(0); 2145 Node *p_f = iffm->in(0);
2145 if (!p_f->is_IfFalse()) return NULL; 2146 if (!p_f->is_IfFalse()) return NULL;
2146 if (!p_f->in(0)->is_CountedLoopEnd()) return NULL; 2147 if (!p_f->in(0)->is_CountedLoopEnd()) return NULL;
2147 CountedLoopEndNode *pre_end = p_f->in(0)->as_CountedLoopEnd(); 2148 CountedLoopEndNode *pre_end = p_f->in(0)->as_CountedLoopEnd();
2148 if (!pre_end->loopnode()->is_pre_loop()) return NULL; 2149 CountedLoopNode* loop_node = pre_end->loopnode();
2150 if (loop_node == NULL || !loop_node->is_pre_loop()) return NULL;
2149 return pre_end; 2151 return pre_end;
2150 } 2152 }
2151 2153
2152 2154
2153 //------------------------------init--------------------------- 2155 //------------------------------init---------------------------