OpenBLAS/kernel/power/sdot_microk_power8.c

176 lines
5.5 KiB
C

/***************************************************************************
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/**************************************************************************************
* 2016/03/21 Werner Saar (wernsaar@googlemail.com)
* BLASTEST : OK
* CTEST : OK
* TEST : OK
* LAPACK-TEST : OK
**************************************************************************************/
#define HAVE_KERNEL_16 1
static float sdot_kernel_16 (long n, float *x, float *y)
{
float dot;
__vector float t0;
__vector float t1;
__vector float t2;
__vector float t3;
__asm__
(
"dcbt 0, %2 \n\t"
"dcbt 0, %3 \n\t"
"xxlxor 32, 32, 32 \n\t"
"xxlxor 33, 33, 33 \n\t"
"xxlxor 34, 34, 34 \n\t"
"xxlxor 35, 35, 35 \n\t"
"xxlxor 36, 36, 36 \n\t"
"xxlxor 37, 37, 37 \n\t"
"xxlxor 38, 38, 38 \n\t"
"xxlxor 39, 39, 39 \n\t"
"lxvd2x 40, 0, %2 \n\t"
"lxvd2x 48, 0, %3 \n\t"
"lxvd2x 41, %10, %2 \n\t"
"lxvd2x 49, %10, %3 \n\t"
"lxvd2x 42, %11, %2 \n\t"
"lxvd2x 50, %11, %3 \n\t"
"lxvd2x 43, %12, %2 \n\t"
"lxvd2x 51, %12, %3 \n\t"
"lxvd2x 44, %13, %2 \n\t"
"lxvd2x %x4, %13, %3 \n\t"
"lxvd2x 45, %14, %2 \n\t"
"lxvd2x %x5, %14, %3 \n\t"
"lxvd2x 46, %15, %2 \n\t"
"lxvd2x %x6, %15, %3 \n\t"
"lxvd2x 47, %16, %2 \n\t"
"lxvd2x %x7, %16, %3 \n\t"
"addi %2, %2, 128 \n\t"
"addi %3, %3, 128 \n\t"
"addic. %1, %1, -32 \n\t"
"ble two%= \n\t"
".align 5 \n"
"one%=: \n\t"
"xvmaddasp 32, 40, 48 \n\t"
"lxvd2x 40, 0, %2 \n\t"
"lxvd2x 48, 0, %3 \n\t"
"xvmaddasp 33, 41, 49 \n\t"
"lxvd2x 41, %10, %2 \n\t"
"lxvd2x 49, %10, %3 \n\t"
"xvmaddasp 34, 42, 50 \n\t"
"lxvd2x 42, %11, %2 \n\t"
"lxvd2x 50, %11, %3 \n\t"
"xvmaddasp 35, 43, 51 \n\t"
"lxvd2x 43, %12, %2 \n\t"
"lxvd2x 51, %12, %3 \n\t"
"xvmaddasp 36, 44, %x4 \n\t"
"lxvd2x 44, %13, %2 \n\t"
"lxvd2x %x4, %13, %3 \n\t"
"xvmaddasp 37, 45, %x5 \n\t"
"lxvd2x 45, %14, %2 \n\t"
"lxvd2x %x5, %14, %3 \n\t"
"xvmaddasp 38, 46, %x6 \n\t"
"lxvd2x 46, %15, %2 \n\t"
"lxvd2x %x6, %15, %3 \n\t"
"xvmaddasp 39, 47, %x7 \n\t"
"lxvd2x 47, %16, %2 \n\t"
"lxvd2x %x7, %16, %3 \n\t"
"addi %2, %2, 128 \n\t"
"addi %3, %3, 128 \n\t"
"addic. %1, %1, -32 \n\t"
"bgt one%= \n"
"two%=: \n\t"
"xvmaddasp 32, 40, 48 \n\t"
"xvmaddasp 33, 41, 49 \n\t"
"xvmaddasp 34, 42, 50 \n\t"
"xvmaddasp 35, 43, 51 \n\t"
"xvmaddasp 36, 44, %x4 \n\t"
"xvmaddasp 37, 45, %x5 \n\t"
"xvmaddasp 38, 46, %x6 \n\t"
"xvmaddasp 39, 47, %x7 \n\t"
"xvaddsp 32, 32, 33 \n\t"
"xvaddsp 34, 34, 35 \n\t"
"xvaddsp 36, 36, 37 \n\t"
"xvaddsp 38, 38, 39 \n\t"
"xvaddsp 32, 32, 34 \n\t"
"xvaddsp 36, 36, 38 \n\t"
"xvaddsp 32, 32, 36 \n\t"
"xxsldwi 33, 32, 32, 2 \n\t"
"xvaddsp 32, 32, 33 \n\t"
"xxsldwi 33, 32, 32, 1 \n\t"
"xvaddsp 32, 32, 33 \n\t"
"xscvspdp %x0, 32 \n"
"#dot=%0 n=%1 x=%8=%2 y=%9=%3 o16=%10 o32=%11 o48=%12 o64=%13 o80=%14 o96=%15 o122=%16\n"
"#t0=%x4 t1=%x5 t2=%x6 t3=%x7"
:
"=f" (dot), // 0
"+r" (n), // 1
"+b" (x), // 2
"+b" (y), // 3
"=wa" (t0), // 4
"=wa" (t1), // 5
"=wa" (t2), // 6
"=wa" (t3) // 7
:
"m" (*x),
"m" (*y),
"b" (16), // 10
"b" (32), // 11
"b" (48), // 12
"b" (64), // 13
"b" (80), // 14
"b" (96), // 15
"b" (112) // 16
:
"cr0",
"vs32","vs33","vs34","vs35","vs36","vs37","vs38","vs39",
"vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47",
"vs48","vs49","vs50","vs51"
);
return dot;
}