Mercurial > hg > graal-jvmci-8
comparison src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp @ 8860:46f6f063b272
7153771: array bound check elimination for c1
Summary: when possible optimize out array bound checks, inserting predicates when needed.
Reviewed-by: never, kvn, twisti
Contributed-by: thomaswue <thomas.wuerthinger@oracle.com>
author | roland |
---|---|
date | Thu, 21 Mar 2013 09:27:54 +0100 |
parents | d804e148cff8 |
children | 46c544b8fbfc |
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inserted
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8780:98f3af397705 | 8860:46f6f063b272 |
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3359 void LIR_Assembler::get_thread(LIR_Opr result_reg) { | 3359 void LIR_Assembler::get_thread(LIR_Opr result_reg) { |
3360 assert(result_reg->is_register(), "check"); | 3360 assert(result_reg->is_register(), "check"); |
3361 __ mov(G2_thread, result_reg->as_register()); | 3361 __ mov(G2_thread, result_reg->as_register()); |
3362 } | 3362 } |
3363 | 3363 |
3364 #ifdef ASSERT | |
3365 // emit run-time assertion | |
3366 void LIR_Assembler::emit_assert(LIR_OpAssert* op) { | |
3367 assert(op->code() == lir_assert, "must be"); | |
3368 | |
3369 if (op->in_opr1()->is_valid()) { | |
3370 assert(op->in_opr2()->is_valid(), "both operands must be valid"); | |
3371 comp_op(op->condition(), op->in_opr1(), op->in_opr2(), op); | |
3372 } else { | |
3373 assert(op->in_opr2()->is_illegal(), "both operands must be illegal"); | |
3374 assert(op->condition() == lir_cond_always, "no other conditions allowed"); | |
3375 } | |
3376 | |
3377 Label ok; | |
3378 if (op->condition() != lir_cond_always) { | |
3379 Assembler::Condition acond; | |
3380 switch (op->condition()) { | |
3381 case lir_cond_equal: acond = Assembler::equal; break; | |
3382 case lir_cond_notEqual: acond = Assembler::notEqual; break; | |
3383 case lir_cond_less: acond = Assembler::less; break; | |
3384 case lir_cond_lessEqual: acond = Assembler::lessEqual; break; | |
3385 case lir_cond_greaterEqual: acond = Assembler::greaterEqual; break; | |
3386 case lir_cond_greater: acond = Assembler::greater; break; | |
3387 case lir_cond_aboveEqual: acond = Assembler::greaterEqualUnsigned; break; | |
3388 case lir_cond_belowEqual: acond = Assembler::lessEqualUnsigned; break; | |
3389 default: ShouldNotReachHere(); | |
3390 }; | |
3391 __ br(acond, false, Assembler::pt, ok); | |
3392 __ delayed()->nop(); | |
3393 } | |
3394 if (op->halt()) { | |
3395 const char* str = __ code_string(op->msg()); | |
3396 __ stop(str); | |
3397 } else { | |
3398 breakpoint(); | |
3399 } | |
3400 __ bind(ok); | |
3401 } | |
3402 #endif | |
3364 | 3403 |
3365 void LIR_Assembler::peephole(LIR_List* lir) { | 3404 void LIR_Assembler::peephole(LIR_List* lir) { |
3366 LIR_OpList* inst = lir->instructions_list(); | 3405 LIR_OpList* inst = lir->instructions_list(); |
3367 for (int i = 0; i < inst->length(); i++) { | 3406 for (int i = 0; i < inst->length(); i++) { |
3368 LIR_Op* op = inst->at(i); | 3407 LIR_Op* op = inst->at(i); |