P-1 Stage 2 improve (use mul copy precompute gaps)

cherubrock-seb · cherubrock-seb · commit ff7465fd66a6 · 2025-12-02T17:25:48.000+01:00
diff --git a/src/modes/RunPM1.cpp b/src/modes/RunPM1.cpp
@@ -920,10 +920,10 @@ int App::runPM1Stage2Marin() {
         }
     }
     eng->copy(static_cast<engine::Reg>(RTMP), static_cast<engine::Reg>(RACC_R));
-    eng->sub(static_cast<engine::Reg>(RTMP), 1);
+    
     for (size_t i = iStartRun; ; ++i, ++idx) {
         //if (p > B2) break;
-        
+        eng->sub(static_cast<engine::Reg>(RTMP), 1);
         eng->set_multiplicand(static_cast<engine::Reg>(RPOW), static_cast<engine::Reg>(RTMP));
         eng->mul(static_cast<engine::Reg>(RACC_L), static_cast<engine::Reg>(RPOW));
         if (i >= idxGap.size()) { ++idx; break; }

Original file line number	Diff line number	Diff line change
`@@ -920,10 +920,10 @@ int App::runPM1Stage2Marin() {`
`920`	`920`	`}`
`921`	`921`	`}`
`922`	`922`	`eng->copy(static_cast<engine::Reg>(RTMP), static_cast<engine::Reg>(RACC_R));`
`923`		`- eng->sub(static_cast<engine::Reg>(RTMP), 1);`
	`923`	`+`
`924`	`924`	`for (size_t i = iStartRun; ; ++i, ++idx) {`
`925`	`925`	`//if (p > B2) break;`
`926`		`-`
	`926`	`+ eng->sub(static_cast<engine::Reg>(RTMP), 1);`
`927`	`927`	`eng->set_multiplicand(static_cast<engine::Reg>(RPOW), static_cast<engine::Reg>(RTMP));`
`928`	`928`	`eng->mul(static_cast<engine::Reg>(RACC_L), static_cast<engine::Reg>(RPOW));`
`929`	`929`	`if (i >= idxGap.size()) { ++idx; break; }`