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RISC-V: lib: minor asm cleanup 

Fix tab/space conversion and use ENTRY/ENDPROC macros.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This commit is contained in:
Olof Johansson 2018-10-30 23:47:08 -07:00 committed by Palmer Dabbelt
parent 358f3fff52
commit a266cdba17
No known key found for this signature in database
GPG Key ID: EF4CA1502CCBAB41
2 changed files with 53 additions and 48 deletions
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59
arch/riscv/lib/tishift.S
View File

@ -10,33 +10,36 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
.globl __lshrti3
__lshrti3:
beqz a2, .L1
li a5,64
sub a5,a5,a2
addi sp,sp,-16
sext.w a4,a5
blez a5, .L2
sext.w a2,a2
sll a4,a1,a4
srl a0,a0,a2
srl a1,a1,a2
or a0,a0,a4
sd a1,8(sp)
sd a0,0(sp)
ld a0,0(sp)
ld a1,8(sp)
addi sp,sp,16
ret
#include <linux/linkage.h>
ENTRY(__lshrti3)
beqz a2, .L1
li a5,64
sub a5,a5,a2
addi sp,sp,-16
sext.w a4,a5
blez a5, .L2
sext.w a2,a2
sll a4,a1,a4
srl a0,a0,a2
srl a1,a1,a2
or a0,a0,a4
sd a1,8(sp)
sd a0,0(sp)
ld a0,0(sp)
ld a1,8(sp)
addi sp,sp,16
ret
.L1:
ret
ret
.L2:
negw a4,a4
srl a1,a1,a4
sd a1,0(sp)
sd zero,8(sp)
ld a0,0(sp)
ld a1,8(sp)
addi sp,sp,16
ret
negw a4,a4
srl a1,a1,a4
sd a1,0(sp)
sd zero,8(sp)
ld a0,0(sp)
ld a1,8(sp)
addi sp,sp,16
ret
ENDPROC(__lshrti3)

42
arch/riscv/lib/udivdi3.S
View File

@ -11,28 +11,30 @@
* GNU General Public License for more details.
*/
.globl __udivdi3
__udivdi3:
mv a2, a1
mv a1, a0
li a0, -1
beqz a2, .L5
li a3, 1
bgeu a2, a1, .L2
#include <linux/linkage.h>
ENTRY(__udivdi3)
mv a2, a1
mv a1, a0
li a0, -1
beqz a2, .L5
li a3, 1
bgeu a2, a1, .L2
.L1:
blez a2, .L2
slli a2, a2, 1
slli a3, a3, 1
bgtu a1, a2, .L1
blez a2, .L2
slli a2, a2, 1
slli a3, a3, 1
bgtu a1, a2, .L1
.L2:
li a0, 0
li a0, 0
.L3:
bltu a1, a2, .L4
sub a1, a1, a2
or a0, a0, a3
bltu a1, a2, .L4
sub a1, a1, a2
or a0, a0, a3
.L4:
srli a3, a3, 1
srli a2, a2, 1
bnez a3, .L3
srli a3, a3, 1
srli a2, a2, 1
bnez a3, .L3
.L5:
ret
ret
ENDPROC(__udivdi3)