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| author | David Butcher <david.butcher@arm.com> | 2013-06-04 15:35:20 +0100 |
|---|---|---|
| committer | Steve Kondik <shade@chemlab.org> | 2014-01-02 18:29:36 +0000 |
| commit | 3f6e6e01529699ef373bbf80cf4a8df4b0193a98 (patch) | |
| tree | 912ce75da7021ab1a7031238c717804b2c5caa45 | |
| parent | 56b9ae49eddb69e92dce555b2046622d47e1b1a7 (diff) | |
| download | android_dalvik-3f6e6e01529699ef373bbf80cf4a8df4b0193a98.tar.gz android_dalvik-3f6e6e01529699ef373bbf80cf4a8df4b0193a98.tar.bz2 android_dalvik-3f6e6e01529699ef373bbf80cf4a8df4b0193a98.zip | |
Dalvik: DMB Optimisation
Replaces use of 'dmb' and 'dmb st' with inner-shareable versions.
This should improve performance in certain cases without harming
correctness.
Change-Id: Id30f58b93b34bf0e232bb01dc3956a82f7a69c40
(cherry picked from commit 2ea163ba54731afcfa11341a525c33e08d0781fa)
| -rw-r--r-- | vm/mterp/armv7-a/platform.S | 4 | ||||
| -rw-r--r-- | vm/mterp/out/InterpAsm-armv7-a-neon.S | 4 | ||||
| -rw-r--r-- | vm/mterp/out/InterpAsm-armv7-a.S | 4 |
3 files changed, 6 insertions, 6 deletions
diff --git a/vm/mterp/armv7-a/platform.S b/vm/mterp/armv7-a/platform.S index 96ff2c256..b11350aec 100644 --- a/vm/mterp/armv7-a/platform.S +++ b/vm/mterp/armv7-a/platform.S @@ -13,7 +13,7 @@ */ .macro SMP_DMB #if ANDROID_SMP != 0 - dmb + dmb ish #else /* not SMP */ #endif @@ -24,7 +24,7 @@ */ .macro SMP_DMB_ST #if ANDROID_SMP != 0 - dmb st + dmb ishst #else /* not SMP */ #endif diff --git a/vm/mterp/out/InterpAsm-armv7-a-neon.S b/vm/mterp/out/InterpAsm-armv7-a-neon.S index 7d3b08f46..d86d0bde2 100644 --- a/vm/mterp/out/InterpAsm-armv7-a-neon.S +++ b/vm/mterp/out/InterpAsm-armv7-a-neon.S @@ -218,7 +218,7 @@ unspecified registers or condition codes. */ .macro SMP_DMB #if ANDROID_SMP != 0 - dmb + dmb ish #else /* not SMP */ #endif @@ -229,7 +229,7 @@ unspecified registers or condition codes. */ .macro SMP_DMB_ST #if ANDROID_SMP != 0 - dmb st + dmb ishst #else /* not SMP */ #endif diff --git a/vm/mterp/out/InterpAsm-armv7-a.S b/vm/mterp/out/InterpAsm-armv7-a.S index 199d59acb..7e4741358 100644 --- a/vm/mterp/out/InterpAsm-armv7-a.S +++ b/vm/mterp/out/InterpAsm-armv7-a.S @@ -218,7 +218,7 @@ unspecified registers or condition codes. */ .macro SMP_DMB #if ANDROID_SMP != 0 - dmb + dmb ish #else /* not SMP */ #endif @@ -229,7 +229,7 @@ unspecified registers or condition codes. */ .macro SMP_DMB_ST #if ANDROID_SMP != 0 - dmb st + dmb ishst #else /* not SMP */ #endif |