[AArch64] Adjust the feature set for Exynos

Evandro Menezes · Evandro Menezes · commit f793fe14022b · 2019-01-15T01:53:49.000Z
Enable the fusion of arithmetic and logic instructions for Exynos M4.

llvm-svn: 351149
diff --git a/llvm/lib/Target/AArch64/AArch64.td b/llvm/lib/Target/AArch64/AArch64.td
@@ -557,6 +557,7 @@ def ProcExynosM4 : SubtargetFeature<"exynosm4", "ARMProcFamily", "ExynosM3",
                                      FeatureFP16FML,
                                      FeatureFuseAddress,
                                      FeatureFuseAES,
+                                     FeatureFuseArithmeticLogic,
                                      FeatureFuseCCSelect,
                                      FeatureFuseLiterals,
                                      FeatureLSLFast,
diff --git a/llvm/test/CodeGen/AArch64/misched-fusion-arith-logic.mir b/llvm/test/CodeGen/AArch64/misched-fusion-arith-logic.mir
@@ -1,4 +1,5 @@
 # RUN: llc -o /dev/null 2>&1 %s -mtriple aarch64-unknown -mattr=fuse-arith-logic -run-pass=machine-scheduler -misched-print-dags | FileCheck %s
+# RUN: llc -o /dev/null 2>&1 %s -mtriple aarch64-unknown -mcpu=exynos-m4         -run-pass=machine-scheduler -misched-print-dags | FileCheck %s
 # REQUIRES: asserts
 
 ---

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`# RUN: llc -o /dev/null 2>&1 %s -mtriple aarch64-unknown -mattr=fuse-arith-logic -run-pass=machine-scheduler -misched-print-dags \| FileCheck %s`
	`2`	`+# RUN: llc -o /dev/null 2>&1 %s -mtriple aarch64-unknown -mcpu=exynos-m4 -run-pass=machine-scheduler -misched-print-dags \| FileCheck %s`
`2`	`3`	`# REQUIRES: asserts`
`3`	`4`
`4`	`5`	`---`