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Use malloc() to get space for task arguments when compiling to AVX.

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This is to work around the LLVM bug/limitation discused in LLVM bug
10841 (http://llvm.org/bugs/show_bug.cgi?id=10841).
This commit is contained in:
Matt Pharr
2011-09-17 13:36:38 -07:00
parent 3607f3e045
commit 2405dae8e6
7 changed files with 166 additions and 10 deletions
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35
ispc_test.cpp
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@@ -33,12 +33,22 @@
#define _CRT_SECURE_NO_WARNINGS
#if defined(_WIN32) || defined(_WIN64)
#define ISPC_IS_WINDOWS
#elif defined(__linux__)
#define ISPC_IS_LINUX
#elif defined(__APPLE__)
#define ISPC_IS_APPLE
#endif
#ifdef ISPC_IS_WINDOWS
#define NOMINMAX
#include <windows.h>
#endif
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <memory.h>
#ifdef ISPC_HAVE_SVML
#include <xmmintrin.h>
@@ -103,16 +113,35 @@ void ISPCSync() {
}
#ifdef ISPC_IS_WINDOWS
void *ISPCMalloc(int64_t size, int32_t alignment) {
#ifdef ISPC_IS_WINDOWS
return _aligned_malloc(size, alignment);
#endif
#ifdef ISPC_IS_LINUX
return memalign(alignment, size);
#endif
#ifdef ISPC_IS_APPLE
void *mem = malloc(size + (alignment-1) + sizeof(void*));
char *amem = ((char*)mem) + sizeof(void*);
amem = amem + uint32_t(alignment - (reinterpret_cast<uint64_t>(amem) &
(alignment - 1)));
((void**)amem)[-1] = mem;
return amem;
#endif
}
void ISPCFree(void *ptr) {
#ifdef ISPC_IS_WINDOWS
_aligned_free(ptr);
}
#endif
#ifdef ISPC_IS_LINUX
free(ptr);
#endif
#ifdef ISPC_IS_APPLE
free(((void**)ptr)[-1]);
#endif
}
static void usage(int ret) {
fprintf(stderr, "usage: ispc_test\n");
@@ -186,10 +215,8 @@ static bool lRunTest(const char *fn) {
ee->addGlobalMapping(func, (void *)FUNC)
DO_FUNC(ISPCLaunch, "ISPCLaunch");
DO_FUNC(ISPCSync, "ISPCSync");
#ifdef ISPC_IS_WINDOWS
DO_FUNC(ISPCMalloc, "ISPCMalloc");
DO_FUNC(ISPCFree, "ISPCFree");
#endif // ISPC_IS_WINDOWS
DO_FUNC(putchar, "putchar");
DO_FUNC(printf, "printf");
DO_FUNC(fflush, "fflush");