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ARM VFP multiplication testing.

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JET 2011-09-29 14:25:31 -06:00
parent 5cf21f49c7
commit 97bc388f57
1 changed files with 17 additions and 1 deletions
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18
src/arm.cpp
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@ -1002,6 +1002,20 @@ void multiplyR(Context* con, unsigned size, Assembler::Register* a, Assembler::R
}
}
void floatMultiplyR(Context* con, unsigned size, Assembler::Register* a, Assembler::Register* b, Assembler::Register* t) {
if (size == 8) {
emit(con, fmdrr(0, a->low, a->high));
emit(con, fmdrr(1, b->low, b->high));
emit(con, fmuld(0, 0, 1));
emit(con, fmrrd(t->low, t->high, 0));
} else {
emit(con, fmsr(0, a->low));
emit(con, fmsr(1, b->low));
emit(con, fmuls(0, 0, 1));
emit(con, fmrs(t->low, 0));
}
}
int
normalize(Context* c, int offset, int index, unsigned scale,
bool* preserveIndex, bool* release)
@ -1807,6 +1821,8 @@ populateTables(ArchitectureContext* c)
to[index(c, Multiply, R)] = CAST3(multiplyR);
to[index(c, FloatMultiply, R)] = CAST3(floatMultiplyR);
to[index(c, ShiftLeft, R)] = CAST3(shiftLeftR);
to[index(c, ShiftLeft, C)] = CAST3(shiftLeftC);
@ -2137,6 +2153,7 @@ class MyArchitecture: public Assembler::Architecture {
case Or:
case Xor:
case Multiply:
case FloatMultiply:
*aTypeMask = *bTypeMask = (1 << RegisterOperand);
break;
@ -2144,7 +2161,6 @@ class MyArchitecture: public Assembler::Architecture {
case Remainder:
case FloatAdd:
case FloatSubtract:
case FloatMultiply:
case FloatDivide:
case FloatRemainder:
case JumpIfFloatEqual: