MIPS64: ART Vectorizer
MIPS64 implementation which uses MSA extension. Also extended all
relevant checker tests to test MIPS64 implementation.
Test: booted MIPS64R6 in QEMU
Test: ./testrunner.py --target --optimizing -j1 in QEMU
Change-Id: I8b8a2f601076bca1925e21213db8ed1d41d79b52
diff --git a/compiler/optimizing/loop_optimization.cc b/compiler/optimizing/loop_optimization.cc
index 94787c9..ae102f7 100644
--- a/compiler/optimizing/loop_optimization.cc
+++ b/compiler/optimizing/loop_optimization.cc
@@ -811,6 +811,11 @@
}
return true;
} else if (instruction->IsArrayGet()) {
+ // Deal with vector restrictions.
+ if (instruction->AsArrayGet()->IsStringCharAt() &&
+ HasVectorRestrictions(restrictions, kNoStringCharAt)) {
+ return false;
+ }
// Accept a right-hand-side array base[index] for
// (1) exact matching vector type,
// (2) loop-invariant base,
@@ -1072,9 +1077,36 @@
}
return false;
case kMips:
- case kMips64:
// TODO: implement MIPS SIMD.
return false;
+ case kMips64:
+ if (features->AsMips64InstructionSetFeatures()->HasMsa()) {
+ switch (type) {
+ case Primitive::kPrimBoolean:
+ case Primitive::kPrimByte:
+ *restrictions |= kNoDiv | kNoMinMax;
+ return TrySetVectorLength(16);
+ case Primitive::kPrimChar:
+ case Primitive::kPrimShort:
+ *restrictions |= kNoDiv | kNoMinMax | kNoStringCharAt;
+ return TrySetVectorLength(8);
+ case Primitive::kPrimInt:
+ *restrictions |= kNoDiv | kNoMinMax;
+ return TrySetVectorLength(4);
+ case Primitive::kPrimLong:
+ *restrictions |= kNoDiv | kNoMinMax;
+ return TrySetVectorLength(2);
+ case Primitive::kPrimFloat:
+ *restrictions |= kNoMinMax;
+ return TrySetVectorLength(4);
+ case Primitive::kPrimDouble:
+ *restrictions |= kNoMinMax;
+ return TrySetVectorLength(2);
+ default:
+ break;
+ } // switch type
+ }
+ return false;
default:
return false;
} // switch instruction set