arm: add softfp support in kernel/arm/*dot_vfp.S

This commit is contained in:
Ashwin Sekhar T K 2017-06-30 23:46:02 +05:30
parent 0150fabdb6
commit 54915ce343
5 changed files with 66 additions and 24 deletions

View File

@ -47,6 +47,11 @@ DROTKERNEL = rot_vfp.S
CROTKERNEL = rot_vfp.S
ZROTKERNEL = rot_vfp.S
SDOTKERNEL = sdot_vfp.S
DDOTKERNEL = ddot_vfp.S
CDOTKERNEL = cdot_vfp.S
ZDOTKERNEL = zdot_vfp.S
SGEMMKERNEL = ../generic/gemmkernel_4x2.c
ifneq ($(SGEMM_UNROLL_M), $(SGEMM_UNROLL_N))
SGEMMINCOPY = sgemm_ncopy_4_vfp.S
@ -86,11 +91,6 @@ ZGEMMOTCOPYOBJ = zgemm_otcopy.o
ifeq ($(ARM_ABI),hard)
SDOTKERNEL = sdot_vfp.S
DDOTKERNEL = ddot_vfp.S
CDOTKERNEL = cdot_vfp.S
ZDOTKERNEL = zdot_vfp.S
SNRM2KERNEL = nrm2_vfp.S
DNRM2KERNEL = nrm2_vfp.S
CNRM2KERNEL = nrm2_vfp.S

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@ -41,8 +41,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define N r0
#define X r1
#define INC_X r2
#define OLD_Y r3
/******************************************************
* [fp, #-128] - [fp, #-64] is reserved
@ -50,7 +48,18 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* registers
*******************************************************/
#if !defined(__ARM_PCS_VFP)
#define OLD_RETURN_ADDR r0
#define OLD_N r1
#define OLD_X r2
#define OLD_INC_X r3
#define OLD_Y [fp, #0 ]
#define OLD_INC_Y [fp, #4 ]
#define RETURN_ADDR r8
#else
#define OLD_Y r3
#define OLD_INC_Y [fp, #0 ]
#endif
#define I r5
#define Y r6
@ -179,7 +188,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.align 5
push {r4 - r9, fp}
add fp, sp, #24
add fp, sp, #28
sub sp, sp, #STACKSIZE // reserve stack
sub r4, fp, #128
@ -191,8 +200,17 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
vmov s2, s0
vmov s3, s0
#if !defined(__ARM_PCS_VFP)
mov RETURN_ADDR, OLD_RETURN_ADDR
mov N, OLD_N
mov X, OLD_X
mov INC_X, OLD_INC_X
ldr Y, OLD_Y
ldr INC_Y, OLD_INC_Y
#else
mov Y, OLD_Y
ldr INC_Y, OLD_INC_Y
#endif
cmp N, #0
ble cdot_kernel_L999
@ -265,7 +283,6 @@ cdot_kernel_S10:
cdot_kernel_L999:
sub r3, fp, #128
vldm r3, { s8 - s15} // restore floating point registers
@ -276,8 +293,11 @@ cdot_kernel_L999:
vadd.f32 s0 , s0, s2
vsub.f32 s1 , s1, s3
#endif
#if !defined(__ARM_PCS_VFP)
vstm RETURN_ADDR, {s0 - s1}
#endif
sub sp, fp, #24
sub sp, fp, #28
pop {r4 - r9, fp}
bx lr

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@ -246,6 +246,9 @@ ddot_kernel_L999:
vldm r3, { d8 - d15} // restore floating point registers
vadd.f64 d0 , d0, d1 // set return value
#if !defined(__ARM_PCS_VFP)
vmov r0, r1, d0
#endif
sub sp, fp, #24
pop {r4 - r9, fp}
bx lr

View File

@ -329,20 +329,19 @@ sdot_kernel_L999:
vldm r3, { s8 - s15} // restore floating point registers
#if defined(DSDOT)
vadd.f64 d0 , d0, d1 // set return value
#ifdef ARM_SOFTFP_ABI
vmov r0, r1, d0
#else
vadd.f32 s0 , s0, s1 // set return value
#endif
#if !defined(__ARM_PCS_VFP)
#if defined(DSDOT)
vmov r0, r1, d0
#else
vadd.f32 s0 , s0, s1 // set return value
#ifdef ARM_SOFTFP_ABI
vmov r0, s0
#endif
#endif
sub sp, fp, #24
pop {r4 - r9, fp}
bx lr

View File

@ -41,8 +41,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define N r0
#define X r1
#define INC_X r2
#define OLD_Y r3
/******************************************************
* [fp, #-128] - [fp, #-64] is reserved
@ -50,7 +48,18 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* registers
*******************************************************/
#if !defined(__ARM_PCS_VFP)
#define OLD_RETURN_ADDR r0
#define OLD_N r1
#define OLD_X r2
#define OLD_INC_X r3
#define OLD_Y [fp, #0 ]
#define OLD_INC_Y [fp, #4 ]
#define RETURN_ADDR r8
#else
#define OLD_Y r3
#define OLD_INC_Y [fp, #0 ]
#endif
#define I r5
#define Y r6
@ -181,7 +190,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.align 5
push {r4 - r9, fp}
add fp, sp, #24
add fp, sp, #28
sub sp, sp, #STACKSIZE // reserve stack
sub r4, fp, #128
@ -194,9 +203,17 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
vcvt.f64.f32 d2, s0
vcvt.f64.f32 d3, s0
#if !defined(__ARM_PCS_VFP)
mov RETURN_ADDR, OLD_RETURN_ADDR
mov N, OLD_N
mov X, OLD_X
mov INC_X, OLD_INC_X
ldr Y, OLD_Y
ldr INC_Y, OLD_INC_Y
#else
mov Y, OLD_Y
ldr INC_Y, OLD_INC_Y
#endif
cmp N, #0
ble zdot_kernel_L999
@ -280,8 +297,11 @@ zdot_kernel_L999:
vadd.f64 d0 , d0, d2
vsub.f64 d1 , d1, d3
#endif
#if !defined(__ARM_PCS_VFP)
vstm RETURN_ADDR, {d0 - d1}
#endif
sub sp, fp, #24
sub sp, fp, #28
pop {r4 - r9, fp}
bx lr