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Small improvements to help output

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This commit is contained in:
Matt Pharr
2011-08-30 11:19:32 -07:00
parent 67e00b97c6
commit 96a297c747
1 changed files with 17 additions and 10 deletions
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27
main.cpp
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@@ -67,26 +67,27 @@ static void usage(int ret) {
printf(" [--arch={%s}]\t\tSelect target architecture\n",
Target::SupportedTargetArchs());
printf(" [--cpu=<cpu>]\t\t\tSelect target CPU type\n");
printf(" (%s)\n", Target::SupportedTargetCPUs());
printf(" [-D<foo>]\t\t\t\t#define value when running preprocessor\n");
printf(" <cpu>={%s}\n", Target::SupportedTargetCPUs());
printf(" [-D<foo>]\t\t\t\t#define given value when running preprocessor\n");
printf(" [--debug]\t\t\t\tPrint information useful for debugging ispc\n");
printf(" [--emit-asm]\t\t\tGenerate assembly language file as output\n");
printf(" [--emit-llvm]\t\t\tEmit LLVM bitode file as output\n");
printf(" [--emit-obj]\t\t\tGenerate object file file as output\n");
printf(" [--emit-obj]\t\t\tGenerate object file file as output (default)\n");
printf(" [--fast-math]\t\t\tPerform non-IEEE-compliant optimizations of numeric expressions\n");
printf(" [-g]\t\t\t\tGenerate debugging information\n");
printf(" [--help]\t\t\t\tPrint help\n");
printf(" [-h] <name>\t\t\t\tOutput filename for header\n");
printf(" [-h <name>/--header-outfile=<name>]\tOutput filename for header\n");
printf(" [--instrument]\t\t\tEmit instrumentation to gather performance data\n");
printf(" [--math-lib=<option>]\t\tSelect math library\n");
printf(" default\t\t\t\tUse ispc's built-in math functions\n");
printf(" fast\t\t\t\tUse high-performance but lower-accuracy math functions\n");
printf(" svml\t\t\t\tUse the Intel SVML math libraries\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(" [--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/--outfile] <name>\t\tOutput filename for bitcode (may be \"-\" for standard output)\n");
printf(" [-O0/-O1]\t\t\t\tSet optimization level\n");
printf(" [-o <name>/--outfile=<name>]\tOutput filename (may be \"-\" for standard output)\n");
printf(" [-O0/-O1]\t\t\t\tSet optimization level (-O1 is default)\n");
#if 0
printf(" [--opt=<option>]\t\t\tSet optimization option\n");
printf(" disable-blended-masked-stores\t\tScalarize masked stores on SSE (vs. using vblendps)\n");
printf(" disable-coherent-control-flow\t\tDisable coherent control flow optimizations\n");
@@ -96,7 +97,8 @@ static void usage(int ret) {
printf(" disable-gather-scatter-flattening\tDisable flattening when all lanes are on\n");
printf(" disable-uniform-memory-optimizations\tDisable uniform-based coherent memory access\n");
printf(" disable-masked-store-optimizations\tDisable lowering to regular stores when possible\n");
printf(" [--target=<isa>]\t\t\tSelect target ISA. (%s)\n", Target::SupportedTargetISAs());
#endif
printf(" [--target=<isa>]\t\t\tSelect target ISA. <isa>={%s}\n", Target::SupportedTargetISAs());
printf(" [--version]\t\t\t\tPrint ispc version\n");
printf(" [--woff]\t\t\t\tDisable warnings\n");
printf(" [--wno-perf]\t\t\tDon't issue warnings related to performance-related issues\n");
@@ -256,14 +258,19 @@ int main(int Argc, char *Argv[]) {
}
else if (!strcmp(argv[i], "--wno-perf") || !strcmp(argv[i], "-wno-perf"))
g->emitPerfWarnings = false;
else if (!strcmp(argv[i], "-o") || !strcmp(argv[i], "--outfile")) {
else if (!strcmp(argv[i], "-o")) {
if (++i == argc) usage(1);
outFileName = argv[i];
}
else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--header-outfile")) {
else if (!strcmp(argv[i], "--outfile="))
outFileName = argv[i] + strlen("--outfile=");
else if (!strcmp(argv[i], "-h")) {
if (++i == argc) usage(1);
headerFileName = argv[i];
}
else if (!strcmp(argv[i], "--header-outfile=")) {
headerFileName = argv[i] + strlen("--header-outfile=");
}
else if (!strcmp(argv[i], "-O0")) {
g->opt.level = 0;
optSet = true;