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Author SHA1 Message Date
Fedora Release Engineering 6e4ad8449e - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
Signed-off-by: Fedora Release Engineering <releng@fedoraproject.org>
2019-07-25 17:46:14 +00:00
František Zatloukal 5395cffee2 Enable LTO 2019-07-10 09:45:50 +02:00
František Zatloukal cb01018c75 Update to 60.8.0 2019-07-09 21:20:20 +02:00
František Zatloukal 5bba358c4d Update to 60.7.2 2019-06-22 16:28:04 +02:00
František Zatloukal 5169aa3583 Update to 60.7.1 2019-06-19 20:05:13 +02:00
Kalev Lember 7a410da378 Update to 60.7.0 2019-05-21 17:12:16 +02:00
František Zatloukal d748a5beea Allow compiler optimizations on aarch64 2019-04-15 16:04:50 +02:00
František Zatloukal cab8ab5a61 Attempt to fix aarch64 -O2 2019-04-15 11:34:02 +02:00
František Zatloukal 711d5d8626 Update to 60.6.1 2019-04-14 23:51:34 +02:00
František Zatloukal a1b605c73f Rebase Always-use-the-equivalent-year-to-determine-the-time-zone patch 2019-04-14 23:19:18 +02:00
František Zatloukal ca946228cd Re-enable null pointer gcc optimization 2019-02-21 10:05:03 +01:00
Igor Gnatenko 4b22c2f4ca Rebuild for readline 8.0 2019-02-17 09:30:51 +01:00
František Zatloukal 44b31ba543 Build aarch64 with -O0 2019-02-14 12:59:53 +01:00
Fedora Release Engineering 9062389a4f - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
Signed-off-by: Fedora Release Engineering <releng@fedoraproject.org>
2019-02-01 11:32:07 +00:00
František Zatloukal 2218902e6f Update to 60.4.0 2019-01-02 17:43:51 +01:00
Kalev Lember c60e0347ab Drop upstreamed tests-snans-be.patch 2018-11-12 18:49:30 +01:00
Kalev Lember ed6bf9c19c Update to 60.3.0 2018-11-12 18:35:35 +01:00
7 changed files with 305 additions and 108 deletions

7
.gitignore vendored
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@ -2,3 +2,10 @@
/firefox-60.2.0esr.source.tar.xz
/firefox-60.2.1esr.source.tar.xz
/firefox-60.2.2esr.source.tar.xz
/firefox-60.3.0esr.source.tar.xz
/firefox-60.4.0esr.source.tar.xz
/firefox-60.6.1esr.source.tar.xz
/firefox-60.7.0esr.source.tar.xz
/firefox-60.7.1esr.source.tar.xz
/firefox-60.7.2esr.source.tar.xz
/firefox-60.8.0esr.source.tar.xz

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@ -9,90 +9,92 @@ Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1479687
Origin: upstream
Applied-upstream: 62, commit:https://hg.mozilla.org/mozilla-central/rev/ce9f1466ec78
---
js/src/jsdate.cpp | 12 ++++++++----
js/src/jsdate.cpp | 11 +++++++----
js/src/vm/Time.cpp | 14 ++++----------
js/src/vm/Time.h | 2 +-
3 files changed, 13 insertions(+), 15 deletions(-)
3 files changed, 12 insertions(+), 15 deletions(-)
diff --git a/js/src/jsdate.cpp b/js/src/jsdate.cpp
index b7f49e7..f32a853 100644
index 07af3d18c865..ff8fd6c3763c 100644
--- a/js/src/jsdate.cpp
+++ b/js/src/jsdate.cpp
@@ -2684,12 +2684,16 @@ static size_t
FormatTime(char* buf, int buflen, const char* fmt, double utcTime, double localTime)
{
PRMJTime prtm = ToPRMJTime(localTime, utcTime);
- int eqivalentYear = IsRepresentableAsTime32(utcTime)
- ? prtm.tm_year
- : EquivalentYearForDST(prtm.tm_year);
+
+ // If an equivalent year was used to compute the date/time components, use
+ // the same equivalent year to determine the time zone name and offset in
+ // PRMJ_FormatTime(...).
+ int timeZoneYear = IsRepresentableAsTime32(utcTime)
+ ? prtm.tm_year
+ : EquivalentYearForDST(prtm.tm_year);
int offsetInSeconds = (int) floor((localTime - utcTime) / msPerSecond);
- return PRMJ_FormatTime(buf, buflen, fmt, &prtm, eqivalentYear, offsetInSeconds);
+ return PRMJ_FormatTime(buf, buflen, fmt, &prtm, timeZoneYear, offsetInSeconds);
@@ -2353,12 +2353,15 @@ static PRMJTime ToPRMJTime(double localTime, double utcTime) {
static size_t FormatTime(char* buf, int buflen, const char* fmt, double utcTime,
double localTime) {
PRMJTime prtm = ToPRMJTime(localTime, utcTime);
- int eqivalentYear = IsRepresentableAsTime32(utcTime)
- ? prtm.tm_year
- : EquivalentYearForDST(prtm.tm_year);
+ // If an equivalent year was used to compute the date/time components, use
+ // the same equivalent year to determine the time zone name and offset in
+ // PRMJ_FormatTime(...).
+ int timeZoneYear = IsRepresentableAsTime32(utcTime)
+ ? prtm.tm_year
+ : EquivalentYearForDST(prtm.tm_year);
int offsetInSeconds = (int)floor((localTime - utcTime) / msPerSecond);
- return PRMJ_FormatTime(buf, buflen, fmt, &prtm, eqivalentYear,
+ return PRMJ_FormatTime(buf, buflen, fmt, &prtm, timeZoneYear,
offsetInSeconds);
}
enum class FormatSpec {
diff --git a/js/src/vm/Time.cpp b/js/src/vm/Time.cpp
index da690fe..3a80d7f 100644
index f59977f0d0e9..5ee4794b3e83 100644
--- a/js/src/vm/Time.cpp
+++ b/js/src/vm/Time.cpp
@@ -262,7 +262,7 @@ PRMJ_InvalidParameterHandler(const wchar_t* expression,
@@ -247,7 +247,7 @@ static void PRMJ_InvalidParameterHandler(const wchar_t* expression,
/* Format a time value into a buffer. Same semantics as strftime() */
size_t
PRMJ_FormatTime(char* buf, int buflen, const char* fmt, const PRMJTime* prtm,
- int equivalentYear, int offsetInSeconds)
+ int timeZoneYear, int offsetInSeconds)
{
size_t result = 0;
size_t PRMJ_FormatTime(char* buf, int buflen, const char* fmt,
- const PRMJTime* prtm, int equivalentYear,
+ const PRMJTime* prtm, int timeZoneYear,
int offsetInSeconds) {
size_t result = 0;
#if defined(XP_UNIX) || defined(XP_WIN)
@@ -295,7 +295,8 @@ PRMJ_FormatTime(char* buf, int buflen, const char* fmt, const PRMJTime* prtm,
* Fill out |td| to the time represented by |prtm|, leaving the
* timezone fields zeroed out. localtime_r will then fill in the
* timezone fields for that local time according to the system's
- * timezone parameters.
+ * timezone parameters. Use |timeZoneYear| for the year to ensure the
+ * time zone name matches the time zone offset used by the caller.
*/
struct tm td;
memset(&td, 0, sizeof(td));
@@ -305,19 +306,12 @@ PRMJ_FormatTime(char* buf, int buflen, const char* fmt, const PRMJTime* prtm,
td.tm_mday = prtm->tm_mday;
td.tm_mon = prtm->tm_mon;
td.tm_wday = prtm->tm_wday;
- td.tm_year = prtm->tm_year - 1900;
+ td.tm_year = timeZoneYear - 1900;
td.tm_yday = prtm->tm_yday;
td.tm_isdst = prtm->tm_isdst;
time_t t = mktime(&td);
- // If |prtm| cannot be represented in |time_t| the year is probably
- // out of range, try again with the DST equivalent year.
- if (t == static_cast<time_t>(-1)) {
- td.tm_year = equivalentYear - 1900;
- t = mktime(&td);
- }
@@ -280,7 +280,8 @@ size_t PRMJ_FormatTime(char* buf, int buflen, const char* fmt,
* Fill out |td| to the time represented by |prtm|, leaving the
* timezone fields zeroed out. localtime_r will then fill in the
* timezone fields for that local time according to the system's
- * timezone parameters.
+ * timezone parameters. Use |timeZoneYear| for the year to ensure the
+ * time zone name matches the time zone offset used by the caller.
*/
struct tm td;
memset(&td, 0, sizeof(td));
@@ -290,19 +291,12 @@ size_t PRMJ_FormatTime(char* buf, int buflen, const char* fmt,
td.tm_mday = prtm->tm_mday;
td.tm_mon = prtm->tm_mon;
td.tm_wday = prtm->tm_wday;
- td.tm_year = prtm->tm_year - 1900;
+ td.tm_year = timeZoneYear - 1900;
td.tm_yday = prtm->tm_yday;
td.tm_isdst = prtm->tm_isdst;
time_t t = mktime(&td);
- // If |prtm| cannot be represented in |time_t| the year is probably
- // out of range, try again with the DST equivalent year.
- if (t == static_cast<time_t>(-1)) {
- td.tm_year = equivalentYear - 1900;
- t = mktime(&td);
- }
-
// If either mktime or localtime_r failed, fill in the fallback time
// zone offset |offsetInSeconds| and set the time zone identifier to
// the empty string.
// If either mktime or localtime_r failed, fill in the fallback time
// zone offset |offsetInSeconds| and set the time zone identifier to
// the empty string.
diff --git a/js/src/vm/Time.h b/js/src/vm/Time.h
index db61e89..597673b 100644
index 3a51d869c922..37b7faeec028 100644
--- a/js/src/vm/Time.h
+++ b/js/src/vm/Time.h
@@ -55,7 +55,7 @@ PRMJ_NowShutdown() {}
@@ -49,7 +49,7 @@ inline void PRMJ_NowShutdown() {}
/* Format a time value into a buffer. Same semantics as strftime() */
extern size_t
PRMJ_FormatTime(char* buf, int buflen, const char* fmt, const PRMJTime* tm,
- int equivalentYear, int offsetInSeconds);
+ int timeZoneYear, int offsetInSeconds);
extern size_t PRMJ_FormatTime(char* buf, int buflen, const char* fmt,
- const PRMJTime* tm, int equivalentYear,
+ const PRMJTime* tm, int timeZoneYear,
int offsetInSeconds);
/**
--
2.21.0

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@ -0,0 +1,64 @@
# HG changeset patch
# User Lars T Hansen <lhansen@mozilla.com>
# Date 1519822672 -3600
# Node ID 800abe66894d6b07b24bccecbf6a65e2261076f6
# Parent 223c97459e96183eb616aed39147207bdb953ba8
Bug 1375074 - Save and restore non-volatile x28 on ARM64 for generated unboxed object constructor. r=sstangl
Origin: upstream
Applied-upstream: 61, commit: https://hg.mozilla.org/mozilla-central/rev/800abe66894d
---
js/src/vm/UnboxedObject.cpp | 30 ++++++++++++++++++++++++++----
1 file changed, 26 insertions(+), 4 deletions(-)
diff --git a/js/src/vm/UnboxedObject.cpp b/js/src/vm/UnboxedObject.cpp
index 35ca20d7405f..1c20a1093d13 100644
--- a/js/src/vm/UnboxedObject.cpp
+++ b/js/src/vm/UnboxedObject.cpp
@@ -86,9 +86,16 @@ static const uintptr_t CLEAR_CONSTRUCTOR_CODE_TOKEN = 0x1;
#endif
#ifdef JS_CODEGEN_ARM64
- // ARM64 communicates stack address via sp, but uses a pseudo-sp for
- // addressing.
- masm.initStackPtr();
+ // ARM64 communicates stack address via sp, but uses a pseudo-sp (PSP) for
+ // addressing. The register we use for PSP may however also be used by
+ // calling code, and it is nonvolatile, so save it. Do this as a special
+ // case first because the generic save/restore code needs the PSP to be
+ // initialized already.
+ MOZ_ASSERT(PseudoStackPointer64.Is(masm.GetStackPointer64()));
+ masm.Str(PseudoStackPointer64, vixl::MemOperand(sp, -16, vixl::PreIndex));
+
+ // Initialize the PSP from the SP.
+ masm.initStackPtr();
#endif
MOZ_ASSERT(propertiesReg.volatile_());
@@ -239,7 +246,22 @@ static const uintptr_t CLEAR_CONSTRUCTOR_CODE_TOKEN = 0x1;
if (ScratchDoubleReg.volatile_()) masm.pop(ScratchDoubleReg);
masm.PopRegsInMask(savedNonVolatileRegisters);
- masm.abiret();
+#ifdef JS_CODEGEN_ARM64
+ // Now restore the value that was in the PSP register on entry, and return.
+
+ // Obtain the correct SP from the PSP.
+ masm.Mov(sp, PseudoStackPointer64);
+
+ // Restore the saved value of the PSP register, this value is whatever the
+ // caller had saved in it, not any actual SP value, and it must not be
+ // overwritten subsequently.
+ masm.Ldr(PseudoStackPointer64, vixl::MemOperand(sp, 16, vixl::PostIndex));
+
+ // Perform a plain Ret(), as abiret() will move SP <- PSP and that is wrong.
+ masm.Ret(vixl::lr);
+#else
+ masm.abiret();
+#endif
masm.bind(&failureStoreOther);
--
2.21.0

View File

@ -0,0 +1,97 @@
# HG changeset patch
# User Lars T Hansen <lhansen@mozilla.com>
# Date 1521449886 -3600
# Node ID 903a79a1efff18fc7cc50db09a3fe5d768adc9a8
# Parent 4d2955a9ca7e30ca4c3af9c214ccc77fb2fe7fb8
Bug 1445907 - Save x28 before clobbering it in the regex compiler. r=sstangl
Origin: upstream
Applied-upstream: 61, commit: https://hg.mozilla.org/mozilla-central/rev/903a79a1efff
---
diff --git a/js/src/irregexp/NativeRegExpMacroAssembler.cpp b/js/src/irregexp/NativeRegExpMacroAssembler.cpp
--- a/js/src/irregexp/NativeRegExpMacroAssembler.cpp
+++ b/js/src/irregexp/NativeRegExpMacroAssembler.cpp
@@ -118,17 +118,25 @@ NativeRegExpMacroAssembler::GenerateCode
Label return_temp0;
// Finalize code - write the entry point code now we know how many
// registers we need.
masm.bind(&entry_label_);
#ifdef JS_CODEGEN_ARM64
- // ARM64 communicates stack address via sp, but uses a pseudo-sp for addressing.
+ // ARM64 communicates stack address via SP, but uses a pseudo-sp (PSP) for
+ // addressing. The register we use for PSP may however also be used by
+ // calling code, and it is nonvolatile, so save it. Do this as a special
+ // case first because the generic save/restore code needs the PSP to be
+ // initialized already.
+ MOZ_ASSERT(PseudoStackPointer64.Is(masm.GetStackPointer64()));
+ masm.Str(PseudoStackPointer64, vixl::MemOperand(sp, -16, vixl::PreIndex));
+
+ // Initialize the PSP from the SP.
masm.initStackPtr();
#endif
// Push non-volatile registers which might be modified by jitcode.
size_t pushedNonVolatileRegisters = 0;
for (GeneralRegisterForwardIterator iter(savedNonVolatileRegisters); iter.more(); ++iter) {
masm.Push(*iter);
pushedNonVolatileRegisters++;
@@ -416,17 +424,32 @@ NativeRegExpMacroAssembler::GenerateCode
masm.pop(temp0);
masm.movePtr(temp0, StackPointer);
#endif
// Restore non-volatile registers which were saved on entry.
for (GeneralRegisterBackwardIterator iter(savedNonVolatileRegisters); iter.more(); ++iter)
masm.Pop(*iter);
+#ifdef JS_CODEGEN_ARM64
+ // Now restore the value that was in the PSP register on entry, and return.
+
+ // Obtain the correct SP from the PSP.
+ masm.Mov(sp, PseudoStackPointer64);
+
+ // Restore the saved value of the PSP register, this value is whatever the
+ // caller had saved in it, not any actual SP value, and it must not be
+ // overwritten subsequently.
+ masm.Ldr(PseudoStackPointer64, vixl::MemOperand(sp, 16, vixl::PostIndex));
+
+ // Perform a plain Ret(), as abiret() will move SP <- PSP and that is wrong.
+ masm.Ret(vixl::lr);
+#else
masm.abiret();
+#endif
// Backtrack code (branch target for conditional backtracks).
if (backtrack_label_.used()) {
masm.bind(&backtrack_label_);
Backtrack();
}
// Backtrack stack overflow code.
diff --git a/js/src/jit-test/tests/regexp/bug1445907.js b/js/src/jit-test/tests/regexp/bug1445907.js
new file mode 100644
--- /dev/null
+++ b/js/src/jit-test/tests/regexp/bug1445907.js
@@ -0,0 +1,15 @@
+// On ARM64, we failed to save x28 properly when generating code for the regexp
+// matcher.
+//
+// There's wasm and Debugger code here because the combination forces the use of
+// x28 and exposes the bug when running on the simulator.
+
+if (!wasmIsSupported())
+ quit();
+
+var g = newGlobal('');
+var dbg = new Debugger(g);
+g.eval(`var m = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary('(module (func (export "test")))')))`);
+var re = /./;
+dbg.onEnterFrame = function(frame) { re.exec("x") };
+result = g.eval("m.exports.test()");
--
2.21.0

View File

@ -1,5 +1,9 @@
%global major 60
# Enable LTO
%global optflags %{optflags} -flto
%global build_ldflags %{build_ldflags} -flto
# Require libatomic for ppc
%ifarch ppc
%global system_libatomic 1
@ -11,8 +15,8 @@
%endif
Name: mozjs%{major}
Version: 60.2.2
Release: 1%{?dist}
Version: 60.8.0
Release: 3%{?dist}
Summary: SpiderMonkey JavaScript library
License: MPLv2.0 and MPLv1.1 and BSD and GPLv2+ and GPLv3+ and LGPLv2+ and AFL and ASL 2.0
@ -23,7 +27,6 @@ Source0: https://ftp.mozilla.org/pub/firefox/releases/%{version}esr/sourc
Patch0001: fix-soname.patch
Patch0002: copy-headers.patch
Patch0003: tests-increase-timeout.patch
Patch0004: tests-snans-be.patch
Patch0008: Always-use-the-equivalent-year-to-determine-the-time-zone.patch
Patch0009: icu_sources_data.py-Decouple-from-Mozilla-build-system.patch
Patch0010: icu_sources_data-Write-command-output-to-our-stderr.patch
@ -37,6 +40,10 @@ Patch14: init_patch.patch
# Patches from Fedora firefox package:
Patch26: build-icu-big-endian.patch
# aarch64 fixes for -O2
Patch30: Save-x28-before-clobbering-it-in-the-regex-compiler.patch
Patch31: Save-and-restore-non-volatile-x28-on-ARM64-for-generated-unboxed-object-constructor.patch
BuildRequires: autoconf213
BuildRequires: gcc
BuildRequires: gcc-c++
@ -73,7 +80,6 @@ pushd ../..
%patch0001 -p1
%patch0002 -p1
%patch0003 -p1
%patch0004 -p1
%patch0008 -p1
%patch0009 -p1
%patch0010 -p1
@ -88,6 +94,12 @@ pushd ../..
%patch26 -p1 -b .icu
%endif
# aarch64 -O2 fixes
%ifarch aarch64
%patch30 -p1
%patch31 -p1
%endif
# make sure we don't ever accidentally link against bundled security libs
rm -rf security/
popd
@ -96,8 +108,13 @@ popd
rm -rf ../../modules/zlib
%build
# Disable null pointer gcc6 optimization in gcc6 (rhbz#1328045)
export CFLAGS="%{optflags} -fno-tree-vrp -fno-strict-aliasing -fno-delete-null-pointer-checks"
# Enable LTO
export AR=%{_bindir}/gcc-ar
export RANLIB=%{_bindir}/gcc-ranlib
export NM=%{_bindir}/gcc-nm
export CFLAGS="%{optflags}"
export CXXFLAGS="$CFLAGS"
export LINKFLAGS="%{?__global_ldflags}"
export PYTHON="%{__python2}"
@ -173,6 +190,48 @@ ln -s libmozjs-%{major}.so.0 %{buildroot}%{_libdir}/libmozjs-%{major}.so
%{_includedir}/mozjs-%{major}/
%changelog
* Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 60.8.0-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Wed Jul 10 2019 Artem Polishchuk <ego.cordatus@gmail.com> - 60.8.0-2
- Enable LTO
* Tue Jul 09 2019 Frantisek Zatloukal <fzatlouk@redhat.com> - 60.8.0-1
- Update to 60.8.0
* Sat Jun 22 2019 Frantisek Zatloukal <fzatlouk@redhat.com> - 60.7.2-1
- Update to 60.7.2
* Wed Jun 19 2019 Frantisek Zatloukal <fzatlouk@redhat.com> - 60.7.1-1
- Update to 60.7.1
* Tue May 21 2019 Kalev Lember <klember@redhat.com> - 60.7.0-1
- Update to 60.7.0
* Mon Apr 15 2019 Frantisek Zatloukal <fzatlouk@redhat.com> - 60.6.1-2
- Backport two Firefox 61 patches and allow compiler optimizations on aarch64
* Sun Apr 14 2019 Frantisek Zatloukal <fzatlouk@redhat.com> - 60.6.1-1
- Update to 60.6.1
* Thu Feb 21 2019 Frantisek Zatloukal <fzatlouk@redhat.com> - 60.4.0-5
- Re-enable null pointer gcc optimization
* Sun Feb 17 2019 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 60.4.0-4
- Rebuild for readline 8.0
* Thu Feb 14 2019 Frantisek Zatloukal <fzatlouk@redhat.com> - 60.4.0-3
- Build aarch64 with -O0 because of rhbz#1676292
* Fri Feb 01 2019 Fedora Release Engineering <releng@fedoraproject.org> - 60.4.0-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
* Wed Jan 02 2019 Frantisek Zatloukal <fzatlouk@redhat.com> - 60.4.0-1
- Update to 60.4.0
* Mon Nov 12 2018 Kalev Lember <klember@redhat.com> - 60.3.0-1
- Update to 60.3.0
* Thu Oct 04 2018 Kalev Lember <klember@redhat.com> - 60.2.2-1
- Update to 60.2.2

View File

@ -1 +1 @@
SHA512 (firefox-60.2.2esr.source.tar.xz) = 8149ad0c974a70d8cb18a9212540235089b2a3470edf4dab5eece68b2fab2c10ff426a8a8acde5543b81f847d751ef4a286c9aa8aa33bb7281b429e95d292ba0
SHA512 (firefox-60.8.0esr.source.tar.xz) = 0332b6049b97e488e55a3b9540baad3bd159e297084e9a625b8492497c73f86eb3e144219dabc5e9f2c2e4a27630d83d243c919cd4f86b7f59f47133ed3afc54

View File

@ -1,32 +0,0 @@
From: Adrian Bunk <bunk@debian.org>
Date: Tue, 3 Jul 2018 10:03:37 +0100
Subject: Fix sort_snans.js test on big endian
Bug-Debian: https://bugs.debian.org/878285
---
js/src/tests/non262/TypedArray/sort_snans.js | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/js/src/tests/non262/TypedArray/sort_snans.js b/js/src/tests/non262/TypedArray/sort_snans.js
index 9e3ad16..df6cd52 100644
--- a/js/src/tests/non262/TypedArray/sort_snans.js
+++ b/js/src/tests/non262/TypedArray/sort_snans.js
@@ -34,6 +34,18 @@ function testFloat32NaNRanges(start, end) {
// and startHi, startLow and endHi, endLow should be 32-bit integers which,
// when combined (Hi + Low), form Float64 NaNs.
function testFloat64NaNRanges(startHi, startLow, endHi, endLow) {
+
+ // Swap on big endian platforms
+ if ((new Uint32Array((new Uint8Array([1,2,3,4])).buffer))[0] === 0x01020304) {
+ let tmp = startHi;
+ startHi = startLow;
+ startLow = tmp;
+
+ tmp = endHi;
+ endHi = endLow;
+ endLow = tmp;
+ }
+
let skipN = 10e6;
let sampleSizeHi = Math.floor((endHi - startHi)/skipN);