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7063629: use cbcond in C2 generated code on T4

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Use new short branch instruction in C2 generated code.

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2011-08-11 12:08:11 -07:00
parent 52f678435a
commit ac99f413d7
20 changed files with 1298 additions and 500 deletions
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10
hotspot/src/share/vm/opto/compile.hpp
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@ -785,11 +785,17 @@ class Compile : public Phase {
// Process an OopMap Element while emitting nodes
void Process_OopMap_Node(MachNode *mach, int code_offset);
// Initialize code buffer
CodeBuffer* init_buffer(uint* blk_starts);
// Write out basic block data to code buffer
void Fill_buffer();
void fill_buffer(CodeBuffer* cb, uint* blk_starts);
// Determine which variable sized branches can be shortened
void Shorten_branches(Label *labels, int& code_size, int& reloc_size, int& stub_size);
void shorten_branches(uint* blk_starts, int& code_size, int& reloc_size, int& stub_size);
// Inserts nops where needed and final shorten branches.
void finalize_offsets_and_shorten(uint* blk_starts);
// Compute the size of first NumberOfLoopInstrToAlign instructions
// at the head of a loop.