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8183574: Unify the is_power_of_2 functions

Reviewed-by: kbarrett, redestad
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stefank committed Feb 17, 2020
1 parent 248b617 commit e4b27a48a0287fcfed37444a19b01d472e938f6e
Showing with 183 additions and 75 deletions.
  1. +3 −3 src/hotspot/cpu/aarch64/c1_LIRAssembler_aarch64.cpp
  2. +2 −1 src/hotspot/cpu/aarch64/c1_LIRGenerator_aarch64.cpp
  3. +1 −0 src/hotspot/cpu/aarch64/c1_Runtime1_aarch64.cpp
  4. +1 −1 src/hotspot/cpu/aarch64/interp_masm_aarch64.cpp
  5. +1 −0 src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
  6. +1 −0 src/hotspot/cpu/aarch64/macroAssembler_aarch64.hpp
  7. +1 −0 src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp
  8. +1 −0 src/hotspot/cpu/aarch64/templateInterpreterGenerator_aarch64.cpp
  9. +1 −0 src/hotspot/cpu/aarch64/templateTable_aarch64.cpp
  10. +1 −0 src/hotspot/cpu/arm/c1_LIRAssembler_arm.cpp
  11. +1 −0 src/hotspot/cpu/arm/c1_LIRGenerator_arm.cpp
  12. +1 −0 src/hotspot/cpu/arm/c1_MacroAssembler_arm.cpp
  13. +1 −0 src/hotspot/cpu/arm/interp_masm_arm.cpp
  14. +1 −0 src/hotspot/cpu/arm/macroAssembler_arm.cpp
  15. +1 −0 src/hotspot/cpu/arm/macroAssembler_arm.hpp
  16. +1 −0 src/hotspot/cpu/arm/sharedRuntime_arm.cpp
  17. +1 −0 src/hotspot/cpu/arm/stubGenerator_arm.cpp
  18. +1 −0 src/hotspot/cpu/arm/templateTable_arm.cpp
  19. +5 −4 src/hotspot/cpu/ppc/assembler_ppc.cpp
  20. +2 −1 src/hotspot/cpu/ppc/c1_LIRAssembler_ppc.cpp
  21. +7 −6 src/hotspot/cpu/ppc/c1_LIRGenerator_ppc.cpp
  22. +1 −1 src/hotspot/cpu/ppc/c1_MacroAssembler_ppc.cpp
  23. +1 −0 src/hotspot/cpu/ppc/c1_Runtime1_ppc.cpp
  24. +1 −0 src/hotspot/cpu/ppc/interp_masm_ppc_64.cpp
  25. +1 −0 src/hotspot/cpu/ppc/macroAssembler_ppc.cpp
  26. +2 −1 src/hotspot/cpu/ppc/macroAssembler_ppc.inline.hpp
  27. +5 −5 src/hotspot/cpu/ppc/ppc.ad
  28. +1 −0 src/hotspot/cpu/ppc/stubGenerator_ppc.cpp
  29. +1 −0 src/hotspot/cpu/ppc/templateTable_ppc_64.cpp
  30. +1 −0 src/hotspot/cpu/ppc/vm_version_ppc.cpp
  31. +2 −1 src/hotspot/cpu/s390/c1_LIRAssembler_s390.cpp
  32. +1 −0 src/hotspot/cpu/s390/c1_LIRGenerator_s390.cpp
  33. +2 −1 src/hotspot/cpu/s390/c1_Runtime1_s390.cpp
  34. +1 −0 src/hotspot/cpu/s390/interp_masm_s390.cpp
  35. +1 −0 src/hotspot/cpu/s390/macroAssembler_s390.cpp
  36. +1 −0 src/hotspot/cpu/s390/stubGenerator_s390.cpp
  37. +1 −0 src/hotspot/cpu/s390/templateTable_s390.cpp
  38. +1 −0 src/hotspot/cpu/sparc/c1_LIRAssembler_sparc.cpp
  39. +1 −0 src/hotspot/cpu/sparc/c1_LIRGenerator_sparc.cpp
  40. +1 −0 src/hotspot/cpu/sparc/interp_masm_sparc.cpp
  41. +1 −0 src/hotspot/cpu/sparc/macroAssembler_sparc.cpp
  42. +1 −0 src/hotspot/cpu/x86/assembler_x86.hpp
  43. +1 −0 src/hotspot/cpu/x86/c1_LIRAssembler_x86.cpp
  44. +1 −0 src/hotspot/cpu/x86/c1_LIRGenerator_x86.cpp
  45. +1 −0 src/hotspot/cpu/x86/interp_masm_x86.cpp
  46. +1 −0 src/hotspot/cpu/x86/vm_version_x86.cpp
  47. +2 −2 src/hotspot/cpu/x86/x86_64.ad
  48. +1 −0 src/hotspot/os/linux/os_linux.cpp
  49. +3 −0 src/hotspot/share/adlc/main.cpp
  50. +1 −0 src/hotspot/share/aot/aotCodeHeap.cpp
  51. +1 −0 src/hotspot/share/asm/codeBuffer.cpp
  52. +1 −0 src/hotspot/share/c1/c1_GraphBuilder.cpp
  53. +1 −0 src/hotspot/share/c1/c1_LIRGenerator.cpp
  54. +1 −0 src/hotspot/share/ci/ciArray.cpp
  55. +1 −0 src/hotspot/share/code/codeHeapState.cpp
  56. +2 −1 src/hotspot/share/code/vtableStubs.cpp
  57. +1 −0 src/hotspot/share/gc/g1/g1BiasedArray.hpp
  58. +1 −0 src/hotspot/share/gc/g1/g1RegionMarkStatsCache.cpp
  59. +1 −0 src/hotspot/share/gc/g1/g1RegionToSpaceMapper.cpp
  60. +1 −0 src/hotspot/share/gc/parallel/parallelArguments.cpp
  61. +1 −0 src/hotspot/share/gc/shared/jvmFlagConstraintsGC.cpp
  62. +1 −0 src/hotspot/share/gc/shared/oopStorage.cpp
  63. +1 −0 src/hotspot/share/gc/shared/stringdedup/stringDedupTable.cpp
  64. +1 −0 src/hotspot/share/gc/shenandoah/shenandoahCodeRoots.cpp
  65. +1 −0 src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
  66. +1 −0 src/hotspot/share/gc/z/zAddress.inline.hpp
  67. +1 −0 src/hotspot/share/gc/z/zLiveMap.cpp
  68. +1 −0 src/hotspot/share/gc/z/zMarkCache.cpp
  69. +1 −0 src/hotspot/share/gc/z/zMarkStack.cpp
  70. +1 −0 src/hotspot/share/gc/z/zNMethodTable.cpp
  71. +1 −0 src/hotspot/share/gc/z/zRelocationSetSelector.cpp
  72. +1 −0 src/hotspot/share/memory/arena.hpp
  73. +1 −0 src/hotspot/share/memory/heap.cpp
  74. +1 −0 src/hotspot/share/memory/virtualspace.cpp
  75. +1 −0 src/hotspot/share/oops/klass.cpp
  76. +1 −0 src/hotspot/share/opto/arraycopynode.cpp
  77. +1 −0 src/hotspot/share/opto/block.hpp
  78. +1 −0 src/hotspot/share/opto/callnode.cpp
  79. +5 −4 src/hotspot/share/opto/divnode.cpp
  80. +1 −0 src/hotspot/share/opto/graphKit.cpp
  81. +1 −1 src/hotspot/share/opto/library_call.cpp
  82. +1 −0 src/hotspot/share/opto/loopnode.cpp
  83. +1 −0 src/hotspot/share/opto/macro.cpp
  84. +1 −1 src/hotspot/share/opto/macroArrayCopy.cpp
  85. +1 −0 src/hotspot/share/opto/memnode.cpp
  86. +2 −2 src/hotspot/share/opto/mulnode.cpp
  87. +1 −0 src/hotspot/share/opto/output.cpp
  88. +1 −0 src/hotspot/share/opto/regmask.cpp
  89. +1 −0 src/hotspot/share/opto/superword.cpp
  90. +1 −0 src/hotspot/share/opto/type.cpp
  91. +1 −0 src/hotspot/share/opto/vectornode.cpp
  92. +1 −0 src/hotspot/share/runtime/arguments.cpp
  93. +1 −0 src/hotspot/share/runtime/flags/jvmFlagConstraintsCompiler.cpp
  94. +1 −0 src/hotspot/share/runtime/flags/jvmFlagConstraintsRuntime.cpp
  95. +4 −9 src/hotspot/share/utilities/align.hpp
  96. +1 −0 src/hotspot/share/utilities/globalDefinitions.cpp
  97. +0 −22 src/hotspot/share/utilities/globalDefinitions.hpp
  98. +19 −3 src/hotspot/share/utilities/powerOfTwo.hpp
  99. +1 −5 test/hotspot/gtest/gc/z/test_zForwarding.cpp
  100. +34 −0 test/hotspot/gtest/utilities/test_powerOfTwo.cpp
@@ -40,10 +40,10 @@
#include "oops/objArrayKlass.hpp"
#include "runtime/frame.inline.hpp"
#include "runtime/sharedRuntime.hpp"
#include "utilities/powerOfTwo.hpp"
#include "vmreg_aarch64.inline.hpp"



#ifndef PRODUCT
#define COMMENT(x) do { __ block_comment(x); } while (0)
#else
@@ -1747,7 +1747,7 @@ void LIR_Assembler::arith_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr
code == lir_add ? __ add(dreg, lreg_lo, c) : __ sub(dreg, lreg_lo, c);
break;
case lir_div:
assert(c > 0 && is_power_of_2_long(c), "divisor must be power-of-2 constant");
assert(c > 0 && is_power_of_2(c), "divisor must be power-of-2 constant");
if (c == 1) {
// move lreg_lo to dreg if divisor is 1
__ mov(dreg, lreg_lo);
@@ -1760,7 +1760,7 @@ void LIR_Assembler::arith_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr
}
break;
case lir_rem:
assert(c > 0 && is_power_of_2_long(c), "divisor must be power-of-2 constant");
assert(c > 0 && is_power_of_2(c), "divisor must be power-of-2 constant");
if (c == 1) {
// move 0 to dreg if divisor is 1
__ mov(dreg, zr);
@@ -37,6 +37,7 @@
#include "ci/ciTypeArrayKlass.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
#include "utilities/powerOfTwo.hpp"
#include "vmreg_aarch64.inline.hpp"

#ifdef ASSERT
@@ -447,7 +448,7 @@ void LIRGenerator::do_ArithmeticOp_Long(ArithmeticOp* x) {
// no need to do div-by-zero check if the divisor is a non-zero constant
if (c != 0) need_zero_check = false;
// do not load right if the divisor is a power-of-2 constant
if (c > 0 && is_power_of_2_long(c)) {
if (c > 0 && is_power_of_2(c)) {
right.dont_load_item();
} else {
right.load_item();
@@ -43,6 +43,7 @@
#include "runtime/signature.hpp"
#include "runtime/vframe.hpp"
#include "runtime/vframeArray.hpp"
#include "utilities/powerOfTwo.hpp"
#include "vmreg_aarch64.inline.hpp"


@@ -43,7 +43,7 @@
#include "runtime/safepointMechanism.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/thread.inline.hpp"

#include "utilities/powerOfTwo.hpp"

void InterpreterMacroAssembler::narrow(Register result) {

@@ -47,6 +47,7 @@
#include "runtime/jniHandles.inline.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/thread.hpp"
#include "utilities/powerOfTwo.hpp"
#ifdef COMPILER1
#include "c1/c1_LIRAssembler.hpp"
#endif
@@ -28,6 +28,7 @@

#include "asm/assembler.hpp"
#include "oops/compressedOops.hpp"
#include "utilities/powerOfTwo.hpp"

// MacroAssembler extends Assembler by frequently used macros.
//
@@ -43,6 +43,7 @@
#include "runtime/stubRoutines.hpp"
#include "runtime/thread.inline.hpp"
#include "utilities/align.hpp"
#include "utilities/powerOfTwo.hpp"
#ifdef COMPILER2
#include "opto/runtime.hpp"
#endif
@@ -49,6 +49,7 @@
#include "runtime/timer.hpp"
#include "runtime/vframeArray.hpp"
#include "utilities/debug.hpp"
#include "utilities/powerOfTwo.hpp"
#include <sys/types.h>

#ifndef PRODUCT
@@ -40,6 +40,7 @@
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
#include "runtime/synchronizer.hpp"
#include "utilities/powerOfTwo.hpp"

#define __ _masm->

@@ -37,6 +37,7 @@
#include "oops/objArrayKlass.hpp"
#include "runtime/frame.inline.hpp"
#include "runtime/sharedRuntime.hpp"
#include "utilities/powerOfTwo.hpp"
#include "vmreg_arm.inline.hpp"

#define __ _masm->
@@ -40,6 +40,7 @@
#include "gc/shared/cardTableBarrierSet.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
#include "utilities/powerOfTwo.hpp"
#include "vmreg_arm.inline.hpp"

#ifdef ASSERT
@@ -35,6 +35,7 @@
#include "runtime/os.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
#include "utilities/powerOfTwo.hpp"

// Note: Rtemp usage is this file should not impact C2 and should be
// correct as long as it is not implicitly used in lower layers (the
@@ -44,6 +44,7 @@
#include "runtime/frame.inline.hpp"
#include "runtime/safepointMechanism.hpp"
#include "runtime/sharedRuntime.hpp"
#include "utilities/powerOfTwo.hpp"

//--------------------------------------------------------------------
// Implementation of InterpreterMacroAssembler
@@ -46,6 +46,7 @@
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
#include "utilities/macros.hpp"
#include "utilities/powerOfTwo.hpp"

// Implementation of AddressLiteral

@@ -26,6 +26,7 @@
#define CPU_ARM_MACROASSEMBLER_ARM_HPP

#include "code/relocInfo.hpp"
#include "utilities/powerOfTwo.hpp"

class BiasedLockingCounters;

@@ -37,6 +37,7 @@
#include "runtime/safepointMechanism.hpp"
#include "runtime/vframeArray.hpp"
#include "utilities/align.hpp"
#include "utilities/powerOfTwo.hpp"
#include "vmreg_arm.inline.hpp"
#ifdef COMPILER1
#include "c1/c1_Runtime1.hpp"
@@ -41,6 +41,7 @@
#include "runtime/stubCodeGenerator.hpp"
#include "runtime/stubRoutines.hpp"
#include "utilities/align.hpp"
#include "utilities/powerOfTwo.hpp"
#ifdef COMPILER2
#include "opto/runtime.hpp"
#endif
@@ -39,6 +39,7 @@
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
#include "runtime/synchronizer.hpp"
#include "utilities/powerOfTwo.hpp"

#define __ _masm->

@@ -37,6 +37,7 @@
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
#include "utilities/macros.hpp"
#include "utilities/powerOfTwo.hpp"

#ifdef PRODUCT
#define BLOCK_COMMENT(str) // nothing
@@ -78,13 +79,13 @@ int Assembler::branch_destination(int inst, int pos) {

// Low-level andi-one-instruction-macro.
void Assembler::andi(Register a, Register s, const long ui16) {
if (is_power_of_2_long(((jlong) ui16)+1)) {
if (is_power_of_2(((jlong) ui16)+1)) {
// pow2minus1
clrldi(a, s, 64-log2_long((((jlong) ui16)+1)));
} else if (is_power_of_2_long((jlong) ui16)) {
clrldi(a, s, 64-log2((((jlong) ui16)+1)));
} else if (is_power_of_2((jlong) ui16)) {
// pow2
rlwinm(a, s, 0, 31-log2_long((jlong) ui16), 31-log2_long((jlong) ui16));
} else if (is_power_of_2_long((jlong)-ui16)) {
} else if (is_power_of_2((jlong)-ui16)) {
// negpow2
clrrdi(a, s, log2_long((jlong)-ui16));
} else {
@@ -40,6 +40,7 @@
#include "runtime/frame.inline.hpp"
#include "runtime/safepointMechanism.inline.hpp"
#include "runtime/sharedRuntime.hpp"
#include "utilities/powerOfTwo.hpp"

#define __ _masm->

@@ -1762,7 +1763,7 @@ void LIR_Assembler::logic_op(LIR_Code code, LIR_Opr left, LIR_Opr right, LIR_Opr

switch (code) {
case lir_logic_and:
if (uimmss != 0 || (uimms != 0 && (uimm & 0xFFFF) != 0) || is_power_of_2_long(uimm)) {
if (uimmss != 0 || (uimms != 0 && (uimm & 0xFFFF) != 0) || is_power_of_2(uimm)) {
__ andi(d, l, uimm); // special cases
} else if (uimms != 0) { __ andis_(d, l, uimms); }
else { __ andi_(d, l, uimm); }
@@ -37,6 +37,7 @@
#include "ci/ciTypeArrayKlass.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
#include "utilities/powerOfTwo.hpp"
#include "vmreg_ppc.inline.hpp"

#ifdef ASSERT
@@ -574,13 +575,13 @@ inline bool can_handle_logic_op_as_uimm(ValueType *type, Bytecodes::Code bc) {

// see Assembler::andi
if (bc == Bytecodes::_iand &&
(is_power_of_2_long(int_or_long_const+1) ||
is_power_of_2_long(int_or_long_const) ||
is_power_of_2_long(-int_or_long_const))) return true;
(is_power_of_2(int_or_long_const+1) ||
is_power_of_2(int_or_long_const) ||
is_power_of_2(-int_or_long_const))) return true;
if (bc == Bytecodes::_land &&
(is_power_of_2_long(int_or_long_const+1) ||
(Assembler::is_uimm(int_or_long_const, 32) && is_power_of_2_long(int_or_long_const)) ||
(int_or_long_const != min_jlong && is_power_of_2_long(-int_or_long_const)))) return true;
(is_power_of_2(int_or_long_const+1) ||
(Assembler::is_uimm(int_or_long_const, 32) && is_power_of_2(int_or_long_const)) ||
(int_or_long_const != min_jlong && is_power_of_2(-int_or_long_const)))) return true;

// special case: xor -1
if ((bc == Bytecodes::_ixor || bc == Bytecodes::_lxor) &&
@@ -38,7 +38,7 @@
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
#include "utilities/align.hpp"

#include "utilities/powerOfTwo.hpp"

void C1_MacroAssembler::inline_cache_check(Register receiver, Register iCache) {
const Register temp_reg = R12_scratch2;
@@ -42,6 +42,7 @@
#include "runtime/vframeArray.hpp"
#include "utilities/align.hpp"
#include "utilities/macros.hpp"
#include "utilities/powerOfTwo.hpp"
#include "vmreg_ppc.inline.hpp"

// Implementation of StubAssembler
@@ -34,6 +34,7 @@
#include "runtime/frame.inline.hpp"
#include "runtime/safepointMechanism.hpp"
#include "runtime/sharedRuntime.hpp"
#include "utilities/powerOfTwo.hpp"

// Implementation of InterpreterMacroAssembler.

@@ -44,6 +44,7 @@
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
#include "utilities/macros.hpp"
#include "utilities/powerOfTwo.hpp"
#ifdef COMPILER2
#include "opto/intrinsicnode.hpp"
#endif
@@ -35,6 +35,7 @@
#include "oops/accessDecorators.hpp"
#include "oops/compressedOops.hpp"
#include "runtime/safepointMechanism.hpp"
#include "utilities/powerOfTwo.hpp"

inline bool MacroAssembler::is_ld_largeoffset(address a) {
const int inst1 = *(int *)a;
@@ -56,7 +57,7 @@ inline int MacroAssembler::get_ld_largeoffset_offset(address a) {
}

inline void MacroAssembler::round_to(Register r, int modulus) {
assert(is_power_of_2_long((jlong)modulus), "must be power of 2");
assert(is_power_of_2((jlong)modulus), "must be power of 2");
addi(r, r, modulus-1);
clrrdi(r, r, log2_long((jlong)modulus));
}
@@ -4350,23 +4350,23 @@ operand immIhi16() %{
%}

operand immInegpow2() %{
predicate(is_power_of_2_long((jlong) (julong) (juint) (-(n->get_int()))));
predicate(is_power_of_2((jlong) (julong) (juint) (-(n->get_int()))));
match(ConI);
op_cost(0);
format %{ %}
interface(CONST_INTER);
%}

operand immIpow2minus1() %{
predicate(is_power_of_2_long((((jlong) (n->get_int()))+1)));
predicate(is_power_of_2((((jlong) (n->get_int()))+1)));
match(ConI);
op_cost(0);
format %{ %}
interface(CONST_INTER);
%}

operand immIpowerOf2() %{
predicate(is_power_of_2_long((((jlong) (julong) (juint) (n->get_int())))));
predicate(is_power_of_2((((jlong) (julong) (juint) (n->get_int())))));
match(ConI);
op_cost(0);
format %{ %}
@@ -4600,15 +4600,15 @@ operand immLhighest16() %{
%}

operand immLnegpow2() %{
predicate(is_power_of_2_long((jlong)-(n->get_long())));
predicate(is_power_of_2((jlong)-(n->get_long())));
match(ConL);
op_cost(0);
format %{ %}
interface(CONST_INTER);
%}

operand immLpow2minus1() %{
predicate(is_power_of_2_long((((jlong) (n->get_long()))+1)) &&
predicate(is_power_of_2((((jlong) (n->get_long()))+1)) &&
(n->get_long() != (jlong)0xffffffffffffffffL));
match(ConL);
op_cost(0);
@@ -41,6 +41,7 @@
#include "runtime/stubRoutines.hpp"
#include "runtime/thread.inline.hpp"
#include "utilities/align.hpp"
#include "utilities/powerOfTwo.hpp"

// Declaration and definition of StubGenerator (no .hpp file).
// For a more detailed description of the stub routine structure
@@ -42,6 +42,7 @@
#include "runtime/stubRoutines.hpp"
#include "runtime/synchronizer.hpp"
#include "utilities/macros.hpp"
#include "utilities/powerOfTwo.hpp"

#undef __
#define __ _masm->
@@ -36,6 +36,7 @@
#include "utilities/align.hpp"
#include "utilities/defaultStream.hpp"
#include "utilities/globalDefinitions.hpp"
#include "utilities/powerOfTwo.hpp"

#include <sys/sysinfo.h>
#if defined(_AIX)
@@ -39,6 +39,7 @@
#include "runtime/frame.inline.hpp"
#include "runtime/safepointMechanism.inline.hpp"
#include "runtime/sharedRuntime.hpp"
#include "utilities/powerOfTwo.hpp"
#include "vmreg_s390.inline.hpp"

#define __ _masm->
@@ -1798,7 +1799,7 @@ void LIR_Assembler::arithmetic_idiv(LIR_Code code, LIR_Opr left, LIR_Opr right,
if (left->is_double_cpu()) {
// 64 bit integer case
assert(left->is_double_cpu(), "left must be register");
assert(right->is_double_cpu() || is_power_of_2_long(right->as_jlong()),
assert(right->is_double_cpu() || is_power_of_2(right->as_jlong()),
"right must be register or power of 2 constant");
assert(result->is_double_cpu(), "result must be register");

@@ -37,6 +37,7 @@
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
#include "vmreg_s390.inline.hpp"
#include "utilities/powerOfTwo.hpp"

#ifdef ASSERT
#define __ gen()->lir(__FILE__, __LINE__)->

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