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Fixed the bug about Loongson3A gsLQC1 & gsSQC1 instructions in daxpy kernel. Now daxpy is correct.

tags/v0.1alpha1
Xianyi Zhang 15 years ago
parent
2b8643e0de
commit
f405b5bcc5
1 changed files with 143 additions and 92 deletions
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  1. +143
    -92
      kernel/mips64/daxpy_loongson3a_simd.S

+ 143
- 92
kernel/mips64/daxpy_loongson3a_simd.S View File

@@ -228,20 +228,20 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

.L11:
//X & Y algin
gsLQC1(X_BASE,A2,A1,0*SIZE)
gsLQC1(X_BASE,A4,A3,2*SIZE)
gsLQC1(X_BASE,A6,A5,4*SIZE)
gsLQC1(X_BASE,A8,A7,6*SIZE)
gsLQC1(X_BASE,A10,A9,8*SIZE)
gsLQC1(X_BASE,A12,A11,10*SIZE)
gsLQC1(X_BASE,A14,A13,12*SIZE)
gsLQC1(X_BASE,A16,A15,14*SIZE)
gsLQC1(Y_BASE,B2,B1,0*SIZE)
gsLQC1(Y_BASE,B4,B3,2*SIZE)
gsLQC1(Y_BASE,B6,B5,4*SIZE)
gsLQC1(Y_BASE,B8,B7,6*SIZE)
gsLQC1(X_BASE,A2,A1,0)
gsLQC1(X_BASE,A4,A3,1)
gsLQC1(X_BASE,A6,A5,2)
gsLQC1(X_BASE,A8,A7,3)
gsLQC1(X_BASE,A10,A9,4)
gsLQC1(X_BASE,A12,A11,5)
gsLQC1(X_BASE,A14,A13,6)
gsLQC1(X_BASE,A16,A15,7)
gsLQC1(Y_BASE,B2,B1,0)
gsLQC1(Y_BASE,B4,B3,1)
gsLQC1(Y_BASE,B6,B5,2)
gsLQC1(Y_BASE,B8,B7,3)
blez I, .L13
NOP
@@ -251,65 +251,65 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
MADD t1, b1, ALPHA, a1
MADD t2, b2, ALPHA, a2
gsSQC1(Y_BASE, T2, T1, 0*SIZE)
gsLQC1(Y_BASE,B2,B1,8*SIZE)
gsSQC1(Y_BASE, T2, T1, 0)
gsLQC1(Y_BASE,B2,B1,4)

MADD t3, b3, ALPHA, a3
MADD t4, b4, ALPHA, a4
gsSQC1(Y_BASE, T4, T3, 2*SIZE)
gsLQC1(Y_BASE,B4,B3,10*SIZE)
gsSQC1(Y_BASE, T4, T3, 1)
gsLQC1(Y_BASE,B4,B3,5)

PREFETCHD(PREFETCH_DISTANCE*SIZE(Y))
PREFETCHD((PREFETCH_DISTANCE+4)*SIZE(Y))

MADD t1, b5, ALPHA, a5
MADD t2, b6, ALPHA, a6
gsSQC1(Y_BASE, T2, T1, 4*SIZE)
gsLQC1(Y_BASE,B6,B5,12*SIZE)
gsSQC1(Y_BASE, T2, T1, 2)
gsLQC1(Y_BASE,B6,B5,6)

MADD t3, b7, ALPHA, a7
MADD t4, b8, ALPHA, a8
gsSQC1(Y_BASE, T4, T3, 6*SIZE)
gsLQC1(Y_BASE,B8,B7,14*SIZE)
gsSQC1(Y_BASE, T4, T3, 3)
gsLQC1(Y_BASE,B8,B7, 7)

PREFETCHD((PREFETCH_DISTANCE+8)*SIZE(Y))
PREFETCHD((PREFETCH_DISTANCE+12)*SIZE(Y))

MADD t1, b1, ALPHA, a9
MADD t2, b2, ALPHA, a10
gsSQC1(Y_BASE, T2, T1, 8*SIZE)
gsLQC1(Y_BASE,B2,B1,16*SIZE)
gsSQC1(Y_BASE, T2, T1, 4)
gsLQC1(Y_BASE,B2,B1,8)

MADD t3, b3, ALPHA, a11
MADD t4, b4, ALPHA, a12
gsSQC1(Y_BASE, T4, T3, 10*SIZE)
gsLQC1(Y_BASE,B4,B3,18*SIZE)
gsSQC1(Y_BASE, T4, T3, 5)
gsLQC1(Y_BASE,B4,B3,9)

PREFETCHD(PREFETCH_DISTANCE*SIZE(X))
PREFETCHD((PREFETCH_DISTANCE+4)*SIZE(X))

MADD t1, b5, ALPHA, a13
MADD t2, b6, ALPHA, a14
gsSQC1(Y_BASE, T2, T1, 12*SIZE)
gsLQC1(Y_BASE,B6,B5,20*SIZE)
gsSQC1(Y_BASE, T2, T1, 6)
gsLQC1(Y_BASE,B6,B5,10)

MADD t3, b7, ALPHA, a15
MADD t4, b8, ALPHA, a16
gsSQC1(Y_BASE, T4, T3, 14*SIZE)
gsLQC1(Y_BASE,B8,B7,22*SIZE)
gsSQC1(Y_BASE, T4, T3, 7)
gsLQC1(Y_BASE,B8,B7,11)
PREFETCHD((PREFETCH_DISTANCE+8)*SIZE(X))
PREFETCHD((PREFETCH_DISTANCE+12)*SIZE(X))

gsLQC1(X_BASE,A2,A1,16*SIZE)
gsLQC1(X_BASE,A4,A3,18*SIZE)
gsLQC1(X_BASE,A6,A5,20*SIZE)
gsLQC1(X_BASE,A8,A7,22*SIZE)
gsLQC1(X_BASE,A2,A1,8)
gsLQC1(X_BASE,A4,A3,9)
gsLQC1(X_BASE,A6,A5,10)
gsLQC1(X_BASE,A8,A7,11)

gsLQC1(X_BASE,A10,A9,24*SIZE)
gsLQC1(X_BASE,A12,A11,26*SIZE)
gsLQC1(X_BASE,A14,A13,28*SIZE)
gsLQC1(X_BASE,A16,A15,30*SIZE)
gsLQC1(X_BASE,A10,A9,12)
gsLQC1(X_BASE,A12,A11,13)
gsLQC1(X_BASE,A14,A13,14)
gsLQC1(X_BASE,A16,A15,15)


daddiu I, I, -1
@@ -324,44 +324,44 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

MADD t1, b1, ALPHA, a1
MADD t2, b2, ALPHA, a2
gsSQC1(Y_BASE, T2, T1, 0*SIZE)
gsLQC1(Y_BASE,B2,B1,8*SIZE)
gsSQC1(Y_BASE, T2, T1, 0)
gsLQC1(Y_BASE,B2,B1,4)

MADD t3, b3, ALPHA, a3
MADD t4, b4, ALPHA, a4
gsSQC1(Y_BASE, T4, T3, 2*SIZE)
gsLQC1(Y_BASE,B4,B3,10*SIZE)
gsSQC1(Y_BASE, T4, T3, 1)
gsLQC1(Y_BASE,B4,B3,5)


MADD t1, b5, ALPHA, a5
MADD t2, b6, ALPHA, a6
gsSQC1(Y_BASE, T2, T1, 4*SIZE)
gsLQC1(Y_BASE,B6,B5,12*SIZE)
gsSQC1(Y_BASE, T2, T1, 2)
gsLQC1(Y_BASE,B6,B5,6)

MADD t3, b7, ALPHA, a7
MADD t4, b8, ALPHA, a8
gsSQC1(Y_BASE, T4, T3, 6*SIZE)
gsLQC1(Y_BASE,B8,B7,14*SIZE)
gsSQC1(Y_BASE, T4, T3, 3)
gsLQC1(Y_BASE,B8,B7,7)


MADD t1, b1, ALPHA, a9
MADD t2, b2, ALPHA, a10
gsSQC1(Y_BASE, T2, T1, 8*SIZE)
gsSQC1(Y_BASE, T2, T1, 4)


MADD t3, b3, ALPHA, a11
MADD t4, b4, ALPHA, a12
gsSQC1(Y_BASE, T4, T3, 10*SIZE)
gsSQC1(Y_BASE, T4, T3, 5)


MADD t1, b5, ALPHA, a13
MADD t2, b6, ALPHA, a14
gsSQC1(Y_BASE, T2, T1, 12*SIZE)
gsSQC1(Y_BASE, T2, T1, 6)


MADD t3, b7, ALPHA, a15
MADD t4, b8, ALPHA, a16
gsSQC1(Y_BASE, T4, T3, 14*SIZE)
gsSQC1(Y_BASE, T4, T3, 7)


daddiu X, X, 16 * SIZE
@@ -415,97 +415,148 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//unloop 16
LD a1, 0 * SIZE(X)
gsLQC1(X_BASE,A3,A2,1*SIZE)
gsLQC1(X_BASE,A5,A4,3*SIZE)
gsLQC1(X_BASE,A7,A6,5*SIZE)
gsLQC1(X_BASE,A9,A8,7*SIZE)

gsLQC1(X_BASE,A11,A10,8*SIZE)
gsLQC1(X_BASE,A13,A12,11*SIZE)
gsLQC1(X_BASE,A15,A14,13*SIZE)
LD a16, 15 * SIZE(X)
daddiu X, X, SIZE
gsLQC1(X_BASE,A3,A2,0)
gsLQC1(X_BASE,A5,A4,1)
gsLQC1(X_BASE,A7,A6,2)
gsLQC1(X_BASE,A9,A8,3)

gsLQC1(X_BASE,A11,A10,4)
gsLQC1(X_BASE,A13,A12,5)
gsLQC1(X_BASE,A15,A14,6)
LD a16, 14 * SIZE(X)

gsLQC1(Y_BASE,B2,B1,0*SIZE)
gsLQC1(Y_BASE,B4,B3,2*SIZE)
gsLQC1(Y_BASE,B6,B5,4*SIZE)
gsLQC1(Y_BASE,B8,B7,6*SIZE)
gsLQC1(Y_BASE,B2,B1,0)
gsLQC1(Y_BASE,B4,B3,1)
gsLQC1(Y_BASE,B6,B5,2)
gsLQC1(Y_BASE,B8,B7,3)
blez I, .L13
blez I, .L32
NOP
.align 5
.L31:
MADD t1, b1, ALPHA, a1
MADD t2, b2, ALPHA, a2
gsSQC1(Y_BASE, T2, T1, 0*SIZE)
gsLQC1(Y_BASE,B2,B1,8*SIZE)
gsSQC1(Y_BASE, T2, T1, 0)
gsLQC1(Y_BASE,B2,B1,4)

MADD t3, b3, ALPHA, a3
MADD t4, b4, ALPHA, a4
gsSQC1(Y_BASE, T4, T3, 2*SIZE)
gsLQC1(Y_BASE,B4,B3,10*SIZE)
gsSQC1(Y_BASE, T4, T3, 1)
gsLQC1(Y_BASE,B4,B3,5)

PREFETCHD(PREFETCH_DISTANCE*SIZE(Y))
PREFETCHD((PREFETCH_DISTANCE+4)*SIZE(Y))

MADD t1, b5, ALPHA, a5
MADD t2, b6, ALPHA, a6
gsSQC1(Y_BASE, T2, T1, 4*SIZE)
gsLQC1(Y_BASE,B6,B5,12*SIZE)
gsSQC1(Y_BASE, T2, T1, 2)
gsLQC1(Y_BASE,B6,B5,6)

MADD t3, b7, ALPHA, a7
MADD t4, b8, ALPHA, a8
gsSQC1(Y_BASE, T4, T3, 6*SIZE)
gsLQC1(Y_BASE,B8,B7,14*SIZE)
gsSQC1(Y_BASE, T4, T3, 3)
gsLQC1(Y_BASE,B8,B7,7)

PREFETCHD((PREFETCH_DISTANCE+8)*SIZE(Y))
PREFETCHD((PREFETCH_DISTANCE+12)*SIZE(Y))

MADD t1, b1, ALPHA, a9
MADD t2, b2, ALPHA, a10
gsSQC1(Y_BASE, T2, T1, 8*SIZE)
gsLQC1(Y_BASE,B2,B1,16*SIZE)
gsSQC1(Y_BASE, T2, T1, 4)
gsLQC1(Y_BASE,B2,B1,8)

MADD t3, b3, ALPHA, a11
MADD t4, b4, ALPHA, a12
gsSQC1(Y_BASE, T4, T3, 10*SIZE)
gsLQC1(Y_BASE,B4,B3,18*SIZE)
gsSQC1(Y_BASE, T4, T3, 5)
gsLQC1(Y_BASE,B4,B3,9)

PREFETCHD(PREFETCH_DISTANCE*SIZE(X))
PREFETCHD((PREFETCH_DISTANCE+4)*SIZE(X))

MADD t1, b5, ALPHA, a13
MADD t2, b6, ALPHA, a14
gsSQC1(Y_BASE, T2, T1, 12*SIZE)
gsLQC1(Y_BASE,B6,B5,20*SIZE)
gsSQC1(Y_BASE, T2, T1, 6)
gsLQC1(Y_BASE,B6,B5,10)

MADD t3, b7, ALPHA, a15
MADD t4, b8, ALPHA, a16
gsSQC1(Y_BASE, T4, T3, 14*SIZE)
gsLQC1(Y_BASE,B8,B7,22*SIZE)
gsSQC1(Y_BASE, T4, T3, 7)
gsLQC1(Y_BASE,B8,B7,11)
PREFETCHD((PREFETCH_DISTANCE+8)*SIZE(X))
PREFETCHD((PREFETCH_DISTANCE+12)*SIZE(X))

LD a1, 16 * SIZE(X)
gsLQC1(X_BASE,A3,A2,17*SIZE)
gsLQC1(X_BASE,A5,A4,19*SIZE)
gsLQC1(X_BASE,A7,A6,21*SIZE)
gsLQC1(X_BASE,A9,A8,23*SIZE)
LD a1, 15 * SIZE(X)
gsLQC1(X_BASE,A3,A2,8)
gsLQC1(X_BASE,A5,A4,9)
gsLQC1(X_BASE,A7,A6,10)
gsLQC1(X_BASE,A9,A8,11)

gsLQC1(X_BASE,A11,A10,25*SIZE)
gsLQC1(X_BASE,A13,A12,27*SIZE)
gsLQC1(X_BASE,A15,A14,29*SIZE)
LD a16, 31 * SIZE(X)
gsLQC1(X_BASE,A11,A10,12)
gsLQC1(X_BASE,A13,A12,13)
gsLQC1(X_BASE,A15,A14,14)
LD a16, 30 * SIZE(X)

daddiu I, I, -1
daddiu Y, Y, 16 * SIZE
daddiu X, X, 16 * SIZE
bgtz I, .L31
//jump back to the remain loop process.
b .L13
.align 5
//Loop end:
.L32:
MADD t1, b1, ALPHA, a1
MADD t2, b2, ALPHA, a2
gsSQC1(Y_BASE, T2, T1, 0)
gsLQC1(Y_BASE,B2,B1,4)

MADD t3, b3, ALPHA, a3
MADD t4, b4, ALPHA, a4
gsSQC1(Y_BASE, T4, T3, 1)
gsLQC1(Y_BASE,B4,B3,5)


MADD t1, b5, ALPHA, a5
MADD t2, b6, ALPHA, a6
gsSQC1(Y_BASE, T2, T1, 2)
gsLQC1(Y_BASE,B6,B5,6)

MADD t3, b7, ALPHA, a7
MADD t4, b8, ALPHA, a8
gsSQC1(Y_BASE, T4, T3, 3)
gsLQC1(Y_BASE,B8,B7,7)


MADD t1, b1, ALPHA, a9
MADD t2, b2, ALPHA, a10
gsSQC1(Y_BASE, T2, T1, 4)


MADD t3, b3, ALPHA, a11
MADD t4, b4, ALPHA, a12
gsSQC1(Y_BASE, T4, T3, 5)


MADD t1, b5, ALPHA, a13
MADD t2, b6, ALPHA, a14
gsSQC1(Y_BASE, T2, T1, 6)


MADD t3, b7, ALPHA, a15
MADD t4, b8, ALPHA, a16
gsSQC1(Y_BASE, T4, T3, 7)


daddiu X, X, 15 * SIZE
daddiu Y, Y, 16 * SIZE

//jump back to the remain process.
b .L15
.align 5
//INCX!=1 or INCY != 1


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