Do not flush L1 for SLM fence

weiyu-chen · paigeale · commit 192efac80f54 · 2018-08-16T10:16:24.000-07:00
Change-Id: Ica3b05209fc624870d342bee50a6fb483f84d113
diff --git a/visa/TranslationInterface.cpp b/visa/TranslationInterface.cpp
@@ -1858,7 +1858,8 @@ G4_INST* IR_Builder::createFenceInstruction( uint8_t flushParam, bool commitEnab
     }
 
     int flushBits = (flushParam >> 1) & 0xF;
-    bool L1Flush = (flushParam & L1_FLUSH_MASK) != 0;
+    bool L1Flush = (flushParam & L1_FLUSH_MASK) != 0 &&
+        !(hasSLMFence() && !globalMemFence);
 
     int desc = 0x7 << 14 | ((commitEnable ? 1 : 0) << 13 );
 

Original file line number	Diff line number	Diff line change
`@@ -1858,7 +1858,8 @@ G4_INST* IR_Builder::createFenceInstruction( uint8_t flushParam, bool commitEnab`
`1858`	`1858`	`}`
`1859`	`1859`
`1860`	`1860`	`int flushBits = (flushParam >> 1) & 0xF;`
`1861`		`- bool L1Flush = (flushParam & L1_FLUSH_MASK) != 0;`
	`1861`	`+ bool L1Flush = (flushParam & L1_FLUSH_MASK) != 0 &&`
	`1862`	`+ !(hasSLMFence() && !globalMemFence);`
`1862`	`1863`
`1863`	`1864`	`int desc = 0x7 << 14 \| ((commitEnable ? 1 : 0) << 13 );`
`1864`	`1865`