aaron/ispc
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add option to turn off codegen improvements when mask 'all on' is statically known.

Browse Source
This commit is contained in:
Matt Pharr
2011-12-11 16:16:36 -08:00
parent 20536bb339
commit 46bfef3fce
7 changed files with 88 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
main.cpp
View File

@@ -92,15 +92,15 @@ static void usage(int ret) {
printf(" fast-masked-vload\t\tFaster masked vector loads on SSE (may go past end of array)\n");
printf(" fast-math\t\t\tPerform non-IEEE-compliant optimizations of numeric expressions\n");
#if 0
printf(" disable-handle-pseudo-memory-ops\n");
printf(" disable-all-on-optimizations\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");
printf(" disable-uniform-control-flow\t\tDisable uniform control flow optimizations\n");
printf(" disable-gather-scatter-optimizations\tDisable improvements to gather/scatter\n");
printf(" disable-blending-removal\t\tDisable eliminating blend at same scope\n");
printf(" disable-coherent-control-flow\t\tDisable coherent control flow optimizations\n");
printf(" disable-gather-scatter-flattening\tDisable flattening when all lanes are on\n");
printf(" disable-gather-scatter-optimizations\tDisable improvements to gather/scatter\n");
printf(" disable-handle-pseudo-memory-ops\n");
printf(" disable-uniform-control-flow\t\tDisable uniform control flow optimizations\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");
#endif
#ifndef ISPC_IS_WINDOWS
printf(" [--pic]\t\t\t\tGenerate position-independent code\n");
@@ -271,6 +271,8 @@ int main(int Argc, char *Argv[]) {
// These are only used for performance tests of specific
// optimizations
else if (!strcmp(opt, "disable-all-on-optimizations"))
g->opt.disableMaskAllOnOptimizations = true;
else if (!strcmp(opt, "disable-handle-pseudo-memory-ops"))
g->opt.disableHandlePseudoMemoryOps = true;
else if (!strcmp(opt, "disable-blended-masked-stores"))
@@ -287,8 +289,6 @@ int main(int Argc, char *Argv[]) {
g->opt.disableGatherScatterFlattening = true;
else if (!strcmp(opt, "disable-uniform-memory-optimizations"))
g->opt.disableUniformMemoryOptimizations = true;
else if (!strcmp(opt, "disable-masked-store-optimizations"))
g->opt.disableMaskedStoreOptimizations = true;
else
usage(1);
}