Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/sparc/vm/sparc.ad
src/cpu/sparc/vm/sparc.ad
- changeset 4362
- 65c8342f726a
- parent 4160
- f6badecb7ea7
- child 4944
- 886d1fd67dc3
- child 5000
- a6e09d6dd8e5
equal
deleted
inserted
replaced
| 4361:1e41b0bc58a0 | 4362:65c8342f726a |
|---|---|
| 10222 %} | 10222 %} |
| 10223 | 10223 |
| 10224 | 10224 |
| 10225 //---------- Zeros Count Instructions ------------------------------------------ | 10225 //---------- Zeros Count Instructions ------------------------------------------ |
| 10226 | 10226 |
| 10227 instruct countLeadingZerosI(iRegI dst, iRegI src, iRegI tmp, flagsReg cr) %{ | 10227 instruct countLeadingZerosI(iRegIsafe dst, iRegI src, iRegI tmp, flagsReg cr) %{ |
| 10228 predicate(UsePopCountInstruction); // See Matcher::match_rule_supported | 10228 predicate(UsePopCountInstruction); // See Matcher::match_rule_supported |
| 10229 match(Set dst (CountLeadingZerosI src)); | 10229 match(Set dst (CountLeadingZerosI src)); |
| 10230 effect(TEMP dst, TEMP tmp, KILL cr); | 10230 effect(TEMP dst, TEMP tmp, KILL cr); |
| 10231 | 10231 |
| 10232 // x |= (x >> 1); | 10232 // x |= (x >> 1); |
| 10319 __ sub(Rtmp, Rdst, Rdst); | 10319 __ sub(Rtmp, Rdst, Rdst); |
| 10320 %} | 10320 %} |
| 10321 ins_pipe(ialu_reg); | 10321 ins_pipe(ialu_reg); |
| 10322 %} | 10322 %} |
| 10323 | 10323 |
| 10324 instruct countTrailingZerosI(iRegI dst, iRegI src, flagsReg cr) %{ | 10324 instruct countTrailingZerosI(iRegIsafe dst, iRegI src, flagsReg cr) %{ |
| 10325 predicate(UsePopCountInstruction); // See Matcher::match_rule_supported | 10325 predicate(UsePopCountInstruction); // See Matcher::match_rule_supported |
| 10326 match(Set dst (CountTrailingZerosI src)); | 10326 match(Set dst (CountTrailingZerosI src)); |
| 10327 effect(TEMP dst, KILL cr); | 10327 effect(TEMP dst, KILL cr); |
| 10328 | 10328 |
| 10329 // return popc(~x & (x - 1)); | 10329 // return popc(~x & (x - 1)); |
| 10362 %} | 10362 %} |
| 10363 | 10363 |
| 10364 | 10364 |
| 10365 //---------- Population Count Instructions ------------------------------------- | 10365 //---------- Population Count Instructions ------------------------------------- |
| 10366 | 10366 |
| 10367 instruct popCountI(iRegI dst, iRegI src) %{ | 10367 instruct popCountI(iRegIsafe dst, iRegI src) %{ |
| 10368 predicate(UsePopCountInstruction); | 10368 predicate(UsePopCountInstruction); |
| 10369 match(Set dst (PopCountI src)); | 10369 match(Set dst (PopCountI src)); |
| 10370 | 10370 |
| 10371 format %{ "POPC $src, $dst" %} | 10371 format %{ "SRL $src, G0, $dst\t! clear upper word for 64 bit POPC\n\t" |
| 10372 ins_encode %{ | 10372 "POPC $dst, $dst" %} |
| 10373 __ popc($src$$Register, $dst$$Register); | 10373 ins_encode %{ |
| 10374 __ srl($src$$Register, G0, $dst$$Register); | |
| 10375 __ popc($dst$$Register, $dst$$Register); | |
| 10374 %} | 10376 %} |
| 10375 ins_pipe(ialu_reg); | 10377 ins_pipe(ialu_reg); |
| 10376 %} | 10378 %} |
| 10377 | 10379 |
| 10378 // Note: Long.bitCount(long) returns an int. | 10380 // Note: Long.bitCount(long) returns an int. |
| 10379 instruct popCountL(iRegI dst, iRegL src) %{ | 10381 instruct popCountL(iRegIsafe dst, iRegL src) %{ |
| 10380 predicate(UsePopCountInstruction); | 10382 predicate(UsePopCountInstruction); |
| 10381 match(Set dst (PopCountL src)); | 10383 match(Set dst (PopCountL src)); |
| 10382 | 10384 |
| 10383 format %{ "POPC $src, $dst" %} | 10385 format %{ "POPC $src, $dst" %} |
| 10384 ins_encode %{ | 10386 ins_encode %{ |
