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comparison src/share/vm/asm/assembler.hpp @ 7430:d02120b7a34f

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8004250: replace AbstractAssembler a_byte/a_long with emit_int8/emit_int32 Reviewed-by: jrose, kvn, twisti Contributed-by: Morris Meyer <morris.meyer@oracle.com>
author twisti
date Thu, 20 Dec 2012 18:53:44 -0800
parents c4bd2eccea46
children ffa87474d7a4
comparison
equal deleted inserted replaced
7429:a46457045d66 7430:d02120b7a34f
214 214
215 bool is8bit(int x) const { return -0x80 <= x && x < 0x80; } 215 bool is8bit(int x) const { return -0x80 <= x && x < 0x80; }
216 bool isByte(int x) const { return 0 <= x && x < 0x100; } 216 bool isByte(int x) const { return 0 <= x && x < 0x100; }
217 bool isShiftCount(int x) const { return 0 <= x && x < 32; } 217 bool isShiftCount(int x) const { return 0 <= x && x < 32; }
218 218
219 void emit_int8( int8_t x) { code_section()->emit_int8( x); }
220 void emit_int16( int16_t x) { code_section()->emit_int16( x); }
221 void emit_int32( int32_t x) { code_section()->emit_int32( x); }
222 void emit_int64( int64_t x) { code_section()->emit_int64( x); }
223
224 void emit_float( jfloat x) { code_section()->emit_float( x); }
225 void emit_double( jdouble x) { code_section()->emit_double( x); }
226 void emit_address(address x) { code_section()->emit_address(x); }
227
228 void emit_byte(int x) { emit_int8 (x); } // deprecated
229 void emit_long(jint x) { emit_int32(x); } // deprecated 219 void emit_long(jint x) { emit_int32(x); } // deprecated
230 220
231 // Instruction boundaries (required when emitting relocatable values). 221 // Instruction boundaries (required when emitting relocatable values).
232 class InstructionMark: public StackObj { 222 class InstructionMark: public StackObj {
233 private: 223 private:
281 // Creation 271 // Creation
282 AbstractAssembler(CodeBuffer* code); 272 AbstractAssembler(CodeBuffer* code);
283 273
284 // ensure buf contains all code (call this before using/copying the code) 274 // ensure buf contains all code (call this before using/copying the code)
285 void flush(); 275 void flush();
276
277 void emit_int8( int8_t x) { code_section()->emit_int8( x); }
278 void emit_int16( int16_t x) { code_section()->emit_int16( x); }
279 void emit_int32( int32_t x) { code_section()->emit_int32( x); }
280 void emit_int64( int64_t x) { code_section()->emit_int64( x); }
281
282 void emit_float( jfloat x) { code_section()->emit_float( x); }
283 void emit_double( jdouble x) { code_section()->emit_double( x); }
284 void emit_address(address x) { code_section()->emit_address(x); }
286 285
287 // min and max values for signed immediate ranges 286 // min and max values for signed immediate ranges
288 static int min_simm(int nbits) { return -(intptr_t(1) << (nbits - 1)) ; } 287 static int min_simm(int nbits) { return -(intptr_t(1) << (nbits - 1)) ; }
289 static int max_simm(int nbits) { return (intptr_t(1) << (nbits - 1)) - 1; } 288 static int max_simm(int nbits) { return (intptr_t(1) << (nbits - 1)) - 1; }
290 289
321 address inst_mark() const { return code_section()->mark(); } 320 address inst_mark() const { return code_section()->mark(); }
322 void set_inst_mark() { code_section()->set_mark(); } 321 void set_inst_mark() { code_section()->set_mark(); }
323 void clear_inst_mark() { code_section()->clear_mark(); } 322 void clear_inst_mark() { code_section()->clear_mark(); }
324 323
325 // Constants in code 324 // Constants in code
326 void a_byte(int x);
327 void a_long(jint x);
328 void relocate(RelocationHolder const& rspec, int format = 0) { 325 void relocate(RelocationHolder const& rspec, int format = 0) {
329 assert(!pd_check_instruction_mark() 326 assert(!pd_check_instruction_mark()
330 || inst_mark() == NULL || inst_mark() == code_section()->end(), 327 || inst_mark() == NULL || inst_mark() == code_section()->end(),
331 "call relocate() between instructions"); 328 "call relocate() between instructions");
332 code_section()->relocate(code_section()->end(), rspec, format); 329 code_section()->relocate(code_section()->end(), rspec, format);