Hack vec width to 4.

Colin Davidson · Colin Davidson · commit 1ff9280bbb27 · 2025-05-02T11:15:33.000+01:00
diff --git a/modules/compiler/vecz/source/pass.cpp b/modules/compiler/vecz/source/pass.cpp
@@ -136,7 +136,12 @@ PreservedAnalyses RunVeczPass::run(Module &M, ModuleAnalysisManager &MAM) {
           Opts = *AutoSGOpts;
         }
       }
-
+      if (Opts.vecz_auto && !getenv("VEC_NORMAL_WIDTH")) {
+        Opts.vecz_auto = false;
+        Opts.factor =  compiler::utils::VectorizationFactor::getFixedWidth(4);
+        //std::atoi(getenv("VEC_WIDTH")));
+        printf("__CSD__ Using vec width %d\n", (int) Opts.factor.getKnownMin());
+      }
       auto *const VU =
           createVectorizationUnit(Ctx, Fn, Opts, Mach.getFAM(), Check);
       if (!VU) {

Original file line number	Diff line number	Diff line change
`@@ -136,7 +136,12 @@ PreservedAnalyses RunVeczPass::run(Module &M, ModuleAnalysisManager &MAM) {`
`136`	`136`	`Opts = *AutoSGOpts;`
`137`	`137`	`}`
`138`	`138`	`}`
`139`		`-`
	`139`	`+ if (Opts.vecz_auto && !getenv("VEC_NORMAL_WIDTH")) {`
	`140`	`+ Opts.vecz_auto = false;`
	`141`	`+ Opts.factor = compiler::utils::VectorizationFactor::getFixedWidth(4);`
	`142`	`+ //std::atoi(getenv("VEC_WIDTH")));`
	`143`	`+ printf("__CSD__ Using vec width %d\n", (int) Opts.factor.getKnownMin());`
	`144`	`+ }`
`140`	`145`	`auto *const VU =`
`141`	`146`	`createVectorizationUnit(Ctx, Fn, Opts, Mach.getFAM(), Check);`
`142`	`147`	`if (!VU) {`