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arm: add softfp support in kernel/arm/axpy_vfp.S

This commit is contained in:
Ashwin Sekhar T K 2017-06-30 20:06:29 +05:30
parent aa5edebc80
commit 4f0773f07d
2 changed files with 65 additions and 16 deletions
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10
kernel/arm/KERNEL.ARMV6
View File

@ -37,6 +37,11 @@ DASUMKERNEL = asum_vfp.S
CASUMKERNEL = asum_vfp.S
ZASUMKERNEL = asum_vfp.S
SAXPYKERNEL = axpy_vfp.S
DAXPYKERNEL = axpy_vfp.S
CAXPYKERNEL = axpy_vfp.S
ZAXPYKERNEL = axpy_vfp.S
SGEMMKERNEL = ../generic/gemmkernel_4x2.c
ifneq ($(SGEMM_UNROLL_M), $(SGEMM_UNROLL_N))
SGEMMINCOPY = sgemm_ncopy_4_vfp.S
@ -76,11 +81,6 @@ ZGEMMOTCOPYOBJ = zgemm_otcopy.o
ifeq ($(ARM_ABI),hard)
SAXPYKERNEL = axpy_vfp.S
DAXPYKERNEL = axpy_vfp.S
CAXPYKERNEL = axpy_vfp.S
ZAXPYKERNEL = axpy_vfp.S
SDOTKERNEL = sdot_vfp.S
DDOTKERNEL = ddot_vfp.S
CDOTKERNEL = cdot_vfp.S

71
kernel/arm/axpy_vfp.S
View File

@ -38,18 +38,52 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define STACKSIZE 256
#ifndef ARM_SOFTFP_ABI
//hard
#define OLD_INC_X [fp, #0 ]
#define OLD_Y [fp, #4 ]
#define OLD_INC_Y [fp, #8 ]
#else
#if !defined(__ARM_PCS_VFP)
#if !defined(COMPLEX)
#if !defined(DOUBLE)
#define OLD_ALPHA r3
#define OLD_X [fp, #0 ]
#define OLD_INC_X [fp, #4 ]
#define OLD_Y [fp, #8 ]
#define OLD_INC_Y [fp, #12 ]
#else
#define OLD_ALPHA [fp, #0]
#define OLD_X [fp, #8 ]
#define OLD_INC_X [fp, #12 ]
#define OLD_Y [fp, #16 ]
#define OLD_INC_Y [fp, #20 ]
#endif
#else //COMPLEX
#if !defined(DOUBLE)
#define OLD_ALPHAR r3
#define OLD_ALPHAI [fp, #0 ]
#define OLD_X [fp, #4 ]
#define OLD_INC_X [fp, #8 ]
#define OLD_Y [fp, #12 ]
#define OLD_INC_Y [fp, #16 ]
#else
#define OLD_ALPHAR [fp, #0]
#define OLD_ALPHAI [fp, #8]
#define OLD_X [fp, #16 ]
#define OLD_INC_X [fp, #20 ]
#define OLD_Y [fp, #24 ]
#define OLD_INC_Y [fp, #28 ]
#endif
#endif //!defined(COMPLEX)
#else //__ARM_PCS_VFP
#define OLD_INC_X [fp, #0 ]
#define OLD_Y [fp, #4 ]
#define OLD_INC_Y [fp, #8 ]
#endif //!defined(__ARM_PCS_VFP)
#define N r0
#define Y r1
#define INC_X r2
@ -370,13 +404,28 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
add fp, sp, #8
sub sp, sp, #STACKSIZE // reserve stack
#ifdef ARM_SOFTFP_ABI
#ifndef DOUBLE
vmov s0, r3 //move alpha to s0
#if !defined(__ARM_PCS_VFP)
#if !defined(COMPLEX)
#if !defined(DOUBLE)
vmov s0, OLD_ALPHA
ldr X, OLD_X
#else
vldr d0, OLD_ALPHA
ldr X, OLD_X
#endif
#else //COMPLEX
#if !defined(DOUBLE)
vmov s0, OLD_ALPHAR
vldr s1, OLD_ALPHAI
ldr X, OLD_X
#else
vldr d0, OLD_ALPHAR
vldr d1, OLD_ALPHAI
ldr X, OLD_X
#endif
#endif
#endif
ldr INC_X , OLD_INC_X
ldr Y, OLD_Y
ldr INC_Y , OLD_INC_Y