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-rw-r--r--src/corelib/global/global.pri2
-rw-r--r--src/tools/qfloat16-tables/gen_qfloat16_tables.cpp96
-rw-r--r--src/tools/qfloat16-tables/qfloat16-tables.pro2
3 files changed, 44 insertions, 56 deletions
diff --git a/src/corelib/global/global.pri b/src/corelib/global/global.pri
index 10af46b41a..b4d9e40f95 100644
--- a/src/corelib/global/global.pri
+++ b/src/corelib/global/global.pri
@@ -129,7 +129,7 @@ QMAKE_QFLOAT16_TABLES_GENERATE = global/qfloat16.h
qtPrepareTool(QMAKE_QFLOAT16_TABLES, qfloat16-tables)
-qfloat16_tables.commands = $$QMAKE_QFLOAT16_TABLES ${QMAKE_FILE_OUT}
+qfloat16_tables.commands = $$QMAKE_QFLOAT16_TABLES > ${QMAKE_FILE_OUT}
qfloat16_tables.output = global/qfloat16tables.cpp
qfloat16_tables.depends = $$QMAKE_QFLOAT16_TABLES_EXE
qfloat16_tables.input = QMAKE_QFLOAT16_TABLES_GENERATE
diff --git a/src/tools/qfloat16-tables/gen_qfloat16_tables.cpp b/src/tools/qfloat16-tables/gen_qfloat16_tables.cpp
index 17fc978039..5aca0235e3 100644
--- a/src/tools/qfloat16-tables/gen_qfloat16_tables.cpp
+++ b/src/tools/qfloat16-tables/gen_qfloat16_tables.cpp
@@ -1,6 +1,7 @@
/****************************************************************************
**
** Copyright (C) 2016 by Southwest Research Institute (R)
+** Copyright (C) 2019 Intel Corporation.
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtCore module of the Qt Toolkit.
@@ -37,13 +38,13 @@
**
****************************************************************************/
-#include <qfile.h>
-#include <qdebug.h>
+#include <stdint.h>
+#include <stdio.h>
-quint32 convertmantissa(qint32 i)
+uint32_t convertmantissa(int32_t i)
{
- quint32 m = i << 13; // Zero pad mantissa bits
- quint32 e = 0; // Zero exponent
+ uint32_t m = i << 13; // Zero pad mantissa bits
+ uint32_t e = 0; // Zero exponent
while (!(m & 0x00800000)) { // While not normalized
e -= 0x00800000; // Decrement exponent (1<<23)
@@ -56,60 +57,48 @@ quint32 convertmantissa(qint32 i)
// we first build these tables up and then print them out as a separate step in order
// to more closely map the implementation given in the paper.
-quint32 basetable[512];
-quint32 shifttable[512];
+uint32_t basetable[512];
+uint32_t shifttable[512];
-#define PRINTHEX(a) "0x" + QByteArray::number(a,16).toUpper() + "U,\n"
-
-qint32 main(qint32 argc, char **argv)
+int main()
{
- if (argc < 2) {
- qWarning() << "Must provide output filename as argument.";
- return -1;
- }
-
- QFile fid(QFile::decodeName(argv[1]));
- if (!fid.open(QIODevice::WriteOnly | QIODevice::Text)) {
- qWarning() << "Abort: Failed to open/create file" << fid.fileName();
- return -1;
- }
- quint32 i;
+ uint32_t i;
- fid.write("/* This file was generated by gen_qfloat16_tables.cpp */\n\n");
- fid.write("#include <QtCore/qfloat16.h>\n\n");
+ printf("/* This file was generated by gen_qfloat16_tables.cpp */\n\n");
+ printf("#include <QtCore/qfloat16.h>\n\n");
- fid.write("QT_BEGIN_NAMESPACE\n\n");
- fid.write("#if !defined(__F16C__) && !defined(__ARM_FP16_FORMAT_IEEE)\n\n");
+ printf("QT_BEGIN_NAMESPACE\n\n");
+ printf("#if !defined(__F16C__) && !defined(__ARM_FP16_FORMAT_IEEE)\n\n");
- fid.write("const quint32 qfloat16::mantissatable[2048] = {\n");
- fid.write("0,\n");
+ printf("const quint32 qfloat16::mantissatable[2048] = {\n");
+ printf("0,\n");
for (i = 1; i < 1024; i++)
- fid.write(PRINTHEX(convertmantissa(i)));
+ printf("0x%XU,\n", convertmantissa(i));
for (i = 1024; i < 2048; i++)
- fid.write(PRINTHEX(0x38000000U + ((i - 1024) << 13)));
- fid.write("};\n\n");
+ printf("0x%XU,\n", 0x38000000U + ((i - 1024) << 13));
+ printf("};\n\n");
- fid.write("const quint32 qfloat16::exponenttable[64] = {\n");
- fid.write("0,\n");
+ printf("const quint32 qfloat16::exponenttable[64] = {\n");
+ printf("0,\n");
for (i = 1; i < 31; i++)
- fid.write(PRINTHEX(i << 23));
- fid.write("0x47800000U,\n"); // 31
- fid.write("0x80000000U,\n"); // 32
+ printf("0x%XU,\n", i << 23);
+ printf("0x47800000U,\n"); // 31
+ printf("0x80000000U,\n"); // 32
for (i = 33; i < 63; i++)
- fid.write(PRINTHEX(0x80000000U + ((i - 32) << 23)));
- fid.write("0xC7800000U,\n"); // 63
- fid.write("};\n\n");
+ printf("0x%XU,\n", 0x80000000U + ((i - 32) << 23));
+ printf("0xC7800000U,\n"); // 63
+ printf("};\n\n");
- fid.write("const quint32 qfloat16::offsettable[64] = {\n");
- fid.write("0,\n");
+ printf("const quint32 qfloat16::offsettable[64] = {\n");
+ printf("0,\n");
for (i = 1; i < 32; i++)
- fid.write("1024U,\n");
- fid.write("0,\n");
+ printf("1024U,\n");
+ printf("0,\n");
for (i = 33; i < 64; i++)
- fid.write("1024U,\n");
- fid.write("};\n\n");
+ printf("1024U,\n");
+ printf("};\n\n");
- qint32 e;
+ int32_t e;
for (i = 0; i < 256; ++i) {
e = i - 127;
if (e < -24) { // Very small numbers map to zero
@@ -144,20 +133,19 @@ qint32 main(qint32 argc, char **argv)
}
}
- fid.write("const quint32 qfloat16::basetable[512] = {\n");
+ printf("const quint32 qfloat16::basetable[512] = {\n");
for (i = 0; i < 512; i++)
- fid.write(PRINTHEX(basetable[i]));
+ printf("0x%XU,\n", basetable[i]);
- fid.write("};\n\n");
+ printf("};\n\n");
- fid.write("const quint32 qfloat16::shifttable[512] = {\n");
+ printf("const quint32 qfloat16::shifttable[512] = {\n");
for (i = 0; i < 512; i++)
- fid.write(PRINTHEX(shifttable[i]));
+ printf("0x%XU,\n", shifttable[i]);
- fid.write("};\n\n");
+ printf("};\n\n");
- fid.write("#endif // !__F16C__ && !__ARM_FP16_FORMAT_IEEE\n\n");
- fid.write("QT_END_NAMESPACE\n");
- fid.close();
+ printf("#endif // !__F16C__ && !__ARM_FP16_FORMAT_IEEE\n\n");
+ printf("QT_END_NAMESPACE\n");
return 0;
}
diff --git a/src/tools/qfloat16-tables/qfloat16-tables.pro b/src/tools/qfloat16-tables/qfloat16-tables.pro
index a7d10ac197..12878ce6c7 100644
--- a/src/tools/qfloat16-tables/qfloat16-tables.pro
+++ b/src/tools/qfloat16-tables/qfloat16-tables.pro
@@ -1,6 +1,6 @@
option(host_build)
-CONFIG += force_bootstrap
+CONFIG -= qt
SOURCES += gen_qfloat16_tables.cpp
load(qt_tool)
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-07 12:01:16 +0000