Mercurial > hg > truffle
diff src/cpu/x86/vm/x86_32.ad @ 235:9c2ecc2ffb12 jdk7-b31
Merge
author | trims |
---|---|
date | Fri, 11 Jul 2008 01:14:44 -0700 |
parents | d1605aabd0a1 ab65a4c9b2e8 |
children | dc7f315e41f7 |
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--- a/src/cpu/x86/vm/x86_32.ad Thu Jul 03 11:01:32 2008 -0700 +++ b/src/cpu/x86/vm/x86_32.ad Fri Jul 11 01:14:44 2008 -0700 @@ -4754,6 +4754,33 @@ interface(CONST_INTER); %} +operand immI_1() %{ + predicate( n->get_int() == 1 ); + match(ConI); + + op_cost(0); + format %{ %} + interface(CONST_INTER); +%} + +operand immI_2() %{ + predicate( n->get_int() == 2 ); + match(ConI); + + op_cost(0); + format %{ %} + interface(CONST_INTER); +%} + +operand immI_3() %{ + predicate( n->get_int() == 3 ); + match(ConI); + + op_cost(0); + format %{ %} + interface(CONST_INTER); +%} + // Pointer Immediate operand immP() %{ match(ConP); @@ -8943,6 +8970,63 @@ ins_pipe( ialu_reg_long_mem ); %} +// Shift Left Long by 1 +instruct shlL_eReg_1(eRegL dst, immI_1 cnt, eFlagsReg cr) %{ + predicate(UseNewLongLShift); + match(Set dst (LShiftL dst cnt)); + effect(KILL cr); + ins_cost(100); + format %{ "ADD $dst.lo,$dst.lo\n\t" + "ADC $dst.hi,$dst.hi" %} + ins_encode %{ + __ addl($dst$$Register,$dst$$Register); + __ adcl(HIGH_FROM_LOW($dst$$Register),HIGH_FROM_LOW($dst$$Register)); + %} + ins_pipe( ialu_reg_long ); +%} + +// Shift Left Long by 2 +instruct shlL_eReg_2(eRegL dst, immI_2 cnt, eFlagsReg cr) %{ + predicate(UseNewLongLShift); + match(Set dst (LShiftL dst cnt)); + effect(KILL cr); + ins_cost(100); + format %{ "ADD $dst.lo,$dst.lo\n\t" + "ADC $dst.hi,$dst.hi\n\t" + "ADD $dst.lo,$dst.lo\n\t" + "ADC $dst.hi,$dst.hi" %} + ins_encode %{ + __ addl($dst$$Register,$dst$$Register); + __ adcl(HIGH_FROM_LOW($dst$$Register),HIGH_FROM_LOW($dst$$Register)); + __ addl($dst$$Register,$dst$$Register); + __ adcl(HIGH_FROM_LOW($dst$$Register),HIGH_FROM_LOW($dst$$Register)); + %} + ins_pipe( ialu_reg_long ); +%} + +// Shift Left Long by 3 +instruct shlL_eReg_3(eRegL dst, immI_3 cnt, eFlagsReg cr) %{ + predicate(UseNewLongLShift); + match(Set dst (LShiftL dst cnt)); + effect(KILL cr); + ins_cost(100); + format %{ "ADD $dst.lo,$dst.lo\n\t" + "ADC $dst.hi,$dst.hi\n\t" + "ADD $dst.lo,$dst.lo\n\t" + "ADC $dst.hi,$dst.hi\n\t" + "ADD $dst.lo,$dst.lo\n\t" + "ADC $dst.hi,$dst.hi" %} + ins_encode %{ + __ addl($dst$$Register,$dst$$Register); + __ adcl(HIGH_FROM_LOW($dst$$Register),HIGH_FROM_LOW($dst$$Register)); + __ addl($dst$$Register,$dst$$Register); + __ adcl(HIGH_FROM_LOW($dst$$Register),HIGH_FROM_LOW($dst$$Register)); + __ addl($dst$$Register,$dst$$Register); + __ adcl(HIGH_FROM_LOW($dst$$Register),HIGH_FROM_LOW($dst$$Register)); + %} + ins_pipe( ialu_reg_long ); +%} + // Shift Left Long by 1-31 instruct shlL_eReg_1_31(eRegL dst, immI_1_31 cnt, eFlagsReg cr) %{ match(Set dst (LShiftL dst cnt));