Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 332 insertions, 0 deletions

diff --git a/third_party/dav1d/tests/checkasm/checkasm.h b/third_party/dav1d/tests/checkasm/checkasm.h
new file mode 100644
index 0000000000..6c81481c89
--- /dev/null
+++ b/third_party/dav1d/tests/checkasm/checkasm.h
@@ -0,0 +1,332 @@
+/*
+ * Copyright © 2018, VideoLAN and dav1d authors
+ * Copyright © 2018, Two Orioles, LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef DAV1D_TESTS_CHECKASM_CHECKASM_H
+#define DAV1D_TESTS_CHECKASM_CHECKASM_H
+
+#include "config.h"
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#if ARCH_X86_64 && defined(_WIN32)
+/* setjmp/longjmp on 64-bit Windows will try to use SEH to unwind the stack,
+ * which doesn't work for assembly functions without unwind information. */
+#include <windows.h>
+#define checkasm_context CONTEXT
+#define checkasm_save_context() RtlCaptureContext(&checkasm_context_buf)
+#define checkasm_load_context() RtlRestoreContext(&checkasm_context_buf, NULL)
+#else
+#include <setjmp.h>
+#define checkasm_context jmp_buf
+#define checkasm_save_context() setjmp(checkasm_context_buf)
+#define checkasm_load_context() longjmp(checkasm_context_buf, 1)
+#endif
+
+#include "include/common/attributes.h"
+#include "include/common/bitdepth.h"
+#include "include/common/intops.h"
+
+int xor128_rand(void);
+#define rnd xor128_rand
+
+#define decl_check_bitfns(name) \
+name##_8bpc(void); \
+name##_16bpc(void)
+
+void checkasm_check_msac(void);
+decl_check_bitfns(void checkasm_check_cdef);
+decl_check_bitfns(void checkasm_check_filmgrain);
+decl_check_bitfns(void checkasm_check_ipred);
+decl_check_bitfns(void checkasm_check_itx);
+decl_check_bitfns(void checkasm_check_loopfilter);
+decl_check_bitfns(void checkasm_check_looprestoration);
+decl_check_bitfns(void checkasm_check_mc);
+
+void *checkasm_check_func(void *func, const char *name, ...);
+int checkasm_bench_func(void);
+int checkasm_fail_func(const char *msg, ...);
+void checkasm_update_bench(int iterations, uint64_t cycles);
+void checkasm_report(const char *name, ...);
+void checkasm_set_signal_handler_state(int enabled);
+extern checkasm_context checkasm_context_buf;
+
+/* float compare utilities */
+int float_near_ulp(float a, float b, unsigned max_ulp);
+int float_near_abs_eps(float a, float b, float eps);
+int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp);
+int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp,
+                         int len);
+int float_near_abs_eps_array(const float *a, const float *b, float eps,
+                             int len);
+int float_near_abs_eps_array_ulp(const float *a, const float *b, float eps,
+                                 unsigned max_ulp, int len);
+
+#define BENCH_RUNS (1 << 12) /* Trade-off between accuracy and speed */
+
+/* Decide whether or not the specified function needs to be tested */
+#define check_func(func, ...)\
+    (func_ref = checkasm_check_func((func_new = func), __VA_ARGS__))
+
+/* Declare the function prototype. The first argument is the return value,
+ * the remaining arguments are the function parameters. Naming parameters
+ * is optional. */
+#define declare_func(ret, ...)\
+    declare_new(ret, __VA_ARGS__)\
+    void *func_ref, *func_new;\
+    typedef ret func_type(__VA_ARGS__);\
+    checkasm_save_context()
+
+/* Indicate that the current test has failed */
+#define fail() checkasm_fail_func("%s:%d", __FILE__, __LINE__)
+
+/* Print the test outcome */
+#define report checkasm_report
+
+/* Call the reference function */
+#define call_ref(...)\
+    (checkasm_set_signal_handler_state(1),\
+     ((func_type *)func_ref)(__VA_ARGS__));\
+    checkasm_set_signal_handler_state(0)
+
+#if HAVE_ASM
+#if ARCH_X86
+#ifdef _MSC_VER
+#include <intrin.h>
+#define readtime() (_mm_lfence(), __rdtsc())
+#else
+static inline uint64_t readtime(void) {
+    uint32_t eax, edx;
+    __asm__ __volatile__("lfence\nrdtsc" : "=a"(eax), "=d"(edx));
+    return (((uint64_t)edx) << 32) | eax;
+}
+#define readtime readtime
+#endif
+#elif (ARCH_AARCH64 || ARCH_ARM) && defined(__APPLE__)
+#include <mach/mach_time.h>
+#define readtime() mach_absolute_time()
+#elif ARCH_AARCH64
+#ifdef _MSC_VER
+#include <windows.h>
+#define readtime() (_InstructionSynchronizationBarrier(), ReadTimeStampCounter())
+#else
+static inline uint64_t readtime(void) {
+    uint64_t cycle_counter;
+    /* This requires enabling user mode access to the cycle counter (which
+     * can only be done from kernel space).
+     * This could also read cntvct_el0 instead of pmccntr_el0; that register
+     * might also be readable (depending on kernel version), but it has much
+     * worse precision (it's a fixed 50 MHz timer). */
+    __asm__ __volatile__("isb\nmrs %0, pmccntr_el0"
+                         : "=r"(cycle_counter)
+                         :: "memory");
+    return cycle_counter;
+}
+#define readtime readtime
+#endif
+#elif ARCH_ARM && !defined(_MSC_VER) && __ARM_ARCH >= 7
+static inline uint64_t readtime(void) {
+    uint32_t cycle_counter;
+    /* This requires enabling user mode access to the cycle counter (which
+     * can only be done from kernel space). */
+    __asm__ __volatile__("isb\nmrc p15, 0, %0, c9, c13, 0"
+                         : "=r"(cycle_counter)
+                         :: "memory");
+    return cycle_counter;
+}
+#define readtime readtime
+#elif ARCH_PPC64LE
+static inline uint64_t readtime(void) {
+    uint32_t tbu, tbl, temp;
+
+    __asm__ __volatile__(
+        "1:\n"
+        "mfspr %2,269\n"
+        "mfspr %0,268\n"
+        "mfspr %1,269\n"
+        "cmpw   %2,%1\n"
+        "bne    1b\n"
+    : "=r"(tbl), "=r"(tbu), "=r"(temp)
+    :
+    : "cc");
+
+    return (((uint64_t)tbu) << 32) | (uint64_t)tbl;
+}
+#define readtime readtime
+#endif
+
+/* Verifies that clobbered callee-saved registers
+ * are properly saved and restored */
+void checkasm_checked_call(void *func, ...);
+
+#if ARCH_X86_64
+/* Evil hack: detect incorrect assumptions that 32-bit ints are zero-extended
+ * to 64-bit. This is done by clobbering the stack with junk around the stack
+ * pointer and calling the assembly function through checked_call() with added
+ * dummy arguments which forces all real arguments to be passed on the stack
+ * and not in registers. For 32-bit arguments the upper half of the 64-bit
+ * register locations on the stack will now contain junk which will cause
+ * misbehaving functions to either produce incorrect output or segfault. Note
+ * that even though this works extremely well in practice, it's technically
+ * not guaranteed and false negatives is theoretically possible, but there
+ * can never be any false positives. */
+void checkasm_stack_clobber(uint64_t clobber, ...);
+/* YMM and ZMM registers on x86 are turned off to save power when they haven't
+ * been used for some period of time. When they are used there will be a
+ * "warmup" period during which performance will be reduced and inconsistent
+ * which is problematic when trying to benchmark individual functions. We can
+ * work around this by periodically issuing "dummy" instructions that uses
+ * those registers to keep them powered on. */
+void checkasm_simd_warmup(void);
+#define declare_new(ret, ...)\
+    ret (*checked_call)(void *, int, int, int, int, int, __VA_ARGS__,\
+                        int, int, int, int, int, int, int, int,\
+                        int, int, int, int, int, int, int) =\
+    (void *)checkasm_checked_call;
+#define CLOB (UINT64_C(0xdeadbeefdeadbeef))
+#ifdef _WIN32
+#define STACKARGS 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0
+#else
+#define STACKARGS 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0
+#endif
+#define call_new(...)\
+    (checkasm_set_signal_handler_state(1),\
+     checkasm_simd_warmup(),\
+     checkasm_stack_clobber(CLOB, CLOB, CLOB, CLOB, CLOB, CLOB, CLOB,\
+                            CLOB, CLOB, CLOB, CLOB, CLOB, CLOB, CLOB,\
+                            CLOB, CLOB, CLOB, CLOB, CLOB, CLOB, CLOB),\
+     checked_call(func_new, 0, 0, 0, 0, 0, __VA_ARGS__, STACKARGS));\
+    checkasm_set_signal_handler_state(0)
+#elif ARCH_X86_32
+#define declare_new(ret, ...)\
+    ret (*checked_call)(void *, __VA_ARGS__, int, int, int, int, int, int,\
+                        int, int, int, int, int, int, int, int, int) =\
+        (void *)checkasm_checked_call;
+#define call_new(...)\
+    (checkasm_set_signal_handler_state(1),\
+     checked_call(func_new, __VA_ARGS__, 15, 14, 13, 12,\
+                  11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1));\
+    checkasm_set_signal_handler_state(0)
+#elif ARCH_ARM
+/* Use a dummy argument, to offset the real parameters by 2, not only 1.
+ * This makes sure that potential 8-byte-alignment of parameters is kept
+ * the same even when the extra parameters have been removed. */
+void checkasm_checked_call_vfp(void *func, int dummy, ...);
+#define declare_new(ret, ...)\
+    ret (*checked_call)(void *, int dummy, __VA_ARGS__,\
+                        int, int, int, int, int, int, int, int,\
+                        int, int, int, int, int, int, int) =\
+    (void *)checkasm_checked_call_vfp;
+#define call_new(...)\
+    (checkasm_set_signal_handler_state(1),\
+     checked_call(func_new, 0, __VA_ARGS__, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0));\
+    checkasm_set_signal_handler_state(0)
+#elif ARCH_AARCH64 && !defined(__APPLE__)
+void checkasm_stack_clobber(uint64_t clobber, ...);
+#define declare_new(ret, ...)\
+    ret (*checked_call)(void *, int, int, int, int, int, int, int,\
+                        __VA_ARGS__, int, int, int, int, int, int, int, int,\
+                        int, int, int, int, int, int, int) =\
+    (void *)checkasm_checked_call;
+#define CLOB (UINT64_C(0xdeadbeefdeadbeef))
+#define call_new(...)\
+    (checkasm_set_signal_handler_state(1),\
+     checkasm_stack_clobber(CLOB, CLOB, CLOB, CLOB, CLOB, CLOB,\
+                            CLOB, CLOB, CLOB, CLOB, CLOB, CLOB,\
+                            CLOB, CLOB, CLOB, CLOB, CLOB, CLOB,\
+                            CLOB, CLOB, CLOB, CLOB, CLOB),\
+     checked_call(func_new, 0, 0, 0, 0, 0, 0, 0, __VA_ARGS__,\
+                  7, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0));\
+    checkasm_set_signal_handler_state(0)
+#else
+#define declare_new(ret, ...)
+#define call_new(...)\
+    (checkasm_set_signal_handler_state(1),\
+     ((func_type *)func_new)(__VA_ARGS__));\
+    checkasm_set_signal_handler_state(0)
+#endif
+#else /* HAVE_ASM */
+#define declare_new(ret, ...)
+/* Call the function */
+#define call_new(...)\
+    (checkasm_set_signal_handler_state(1),\
+     ((func_type *)func_new)(__VA_ARGS__));\
+    checkasm_set_signal_handler_state(0)
+#endif /* HAVE_ASM */
+
+/* Benchmark the function */
+#ifdef readtime
+#define bench_new(...)\
+    do {\
+        if (checkasm_bench_func()) {\
+            checkasm_set_signal_handler_state(1);\
+            func_type *tfunc = func_new;\
+            uint64_t tsum = 0;\
+            int tcount = 0;\
+            for (int ti = 0; ti < BENCH_RUNS; ti++) {\
+                uint64_t t = readtime();\
+                tfunc(__VA_ARGS__);\
+                tfunc(__VA_ARGS__);\
+                tfunc(__VA_ARGS__);\
+                tfunc(__VA_ARGS__);\
+                t = readtime() - t;\
+                if (t*tcount <= tsum*4 && ti > 0) {\
+                    tsum += t;\
+                    tcount++;\
+                }\
+            }\
+            checkasm_set_signal_handler_state(0);\
+            checkasm_update_bench(tcount, tsum);\
+        }\
+    } while (0)
+#else
+#define bench_new(...) do {} while (0)
+#endif
+
+#define DECL_CHECKASM_CHECK_FUNC(type) \
+int checkasm_check_##type(const char *const file, const int line, \
+                          const type *const buf1, const ptrdiff_t stride1, \
+                          const type *const buf2, const ptrdiff_t stride2, \
+                          const int w, const int h, const char *const name)
+
+DECL_CHECKASM_CHECK_FUNC(uint8_t);
+DECL_CHECKASM_CHECK_FUNC(uint16_t);
+DECL_CHECKASM_CHECK_FUNC(int16_t);
+DECL_CHECKASM_CHECK_FUNC(int32_t);
+
+
+#define PASTE(a,b) a ## b
+#define CONCAT(a,b) PASTE(a,b)
+
+#define checkasm_check(prefix, ...) CONCAT(checkasm_check_, prefix)(__FILE__, __LINE__, __VA_ARGS__)
+
+#ifdef BITDEPTH
+#define checkasm_check_pixel(...) checkasm_check(PIXEL_TYPE, __VA_ARGS__)
+#define checkasm_check_coef(...)  checkasm_check(COEF_TYPE,  __VA_ARGS__)
+#endif
+
+#endif /* DAV1D_TESTS_CHECKASM_CHECKASM_H */