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Add support for host/device stub functions for offload.

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This commit is contained in:
Ingo Wald
2012-06-12 10:23:49 -07:00
committed by Matt Pharr
parent dd4f0a600b
commit 789e04ce90
6 changed files with 483 additions and 29 deletions
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49
main.cpp
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@@ -89,6 +89,7 @@ usage(int ret) {
printf(" [--cpu=<cpu>]\t\t\tSelect target CPU type\n");
printf(" <cpu>={%s}\n", Target::SupportedTargetCPUs().c_str());
printf(" [-D<foo>]\t\t\t\t#define given value when running preprocessor\n");
printf(" [--dev-stub <filename>]\t\tEmit device-side offload stub functions to file\n");
printf(" [--emit-asm]\t\t\tGenerate assembly language file as output\n");
printf(" [--emit-c++]\t\t\tEmit a C++ source file as output\n");
printf(" [--emit-llvm]\t\t\tEmit LLVM bitode file as output\n");
@@ -96,6 +97,7 @@ usage(int ret) {
printf(" [-g]\t\t\t\tGenerate debugging information\n");
printf(" [--help]\t\t\t\tPrint help\n");
printf(" [--help-dev]\t\t\tPrint help for developer options\n");
printf(" [--host-stub <filename>]\t\tEmit host-side offload stub functions to file\n");
printf(" [-h <name>/--header-outfile=<name>]\tOutput filename for header\n");
printf(" [-I <path>]\t\t\t\tAdd <path> to #include file search path\n");
printf(" [--instrument]\t\t\tEmit instrumentation to gather performance data\n");
@@ -104,6 +106,7 @@ usage(int ret) {
printf(" fast\t\t\t\tUse high-performance but lower-accuracy math functions\n");
printf(" svml\t\t\t\tUse the Intel(r) SVML math libraries\n");
printf(" system\t\t\t\tUse the system's math library (*may be quite slow*)\n");
printf(" [-MMM <filename>\t\t\t\tWrite #include dependencies to given file.\n");
printf(" [--nostdlib]\t\t\tDon't make the ispc standard library available\n");
printf(" [--nocpp]\t\t\t\tDon't run the C preprocessor\n");
printf(" [-o <name>/--outfile=<name>]\tOutput filename (may be \"-\" for standard output)\n");
@@ -221,7 +224,9 @@ int main(int Argc, char *Argv[]) {
const char *headerFileName = NULL;
const char *outFileName = NULL;
const char *includeFileName = NULL;
const char *depsFileName = NULL;
const char *hostStubFileName = NULL;
const char *devStubFileName = NULL;
// Initiailize globals early so that we can set various option values
// as we're parsing below
g = new Globals;
@@ -413,6 +418,27 @@ int main(int Argc, char *Argv[]) {
extern int yydebug;
yydebug = 1;
}
else if (!strcmp(argv[i], "-MMM")) {
if (++i == argc) {
fprintf(stderr, "No output file name specified after -MMM option.\n");
usage(1);
}
depsFileName = argv[i];
}
else if (!strcmp(argv[i], "--dev-stub")) {
if (++i == argc) {
fprintf(stderr, "No output file name specified after --dev-stub option.\n");
usage(1);
}
devStubFileName = argv[i];
}
else if (!strcmp(argv[i], "--host-stub")) {
if (++i == argc) {
fprintf(stderr, "No output file name specified after --host-stub option.\n");
usage(1);
}
hostStubFileName = argv[i];
}
else if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version")) {
lPrintVersion();
return 0;
@@ -456,12 +482,21 @@ int main(int Argc, char *Argv[]) {
#endif
}
if (outFileName == NULL && headerFileName == NULL)
Warning(SourcePos(), "No output file or header file name specified. "
"Program will be compiled and warnings/errors will "
"be issued, but no output will be generated.");
if (outFileName == NULL &&
headerFileName == NULL &&
depsFileName == NULL &&
hostStubFileName == NULL &&
devStubFileName == NULL)
Warning(SourcePos(), "No output file or header file name specified. "
"Program will be compiled and warnings/errors will "
"be issued, but no output will be generated.");
return Module::CompileAndOutput(file, arch, cpu, target, generatePIC,
ot, outFileName, headerFileName,
includeFileName);
ot,
outFileName,
headerFileName,
includeFileName,
depsFileName,
hostStubFileName,
devStubFileName);
}