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sh: New gcc support

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New gcc (4.8 or later) used new shift helper functions.
So we need added new helper to private libgcc.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Rich Felker <dalias@libc.org>
This commit is contained in:
Yoshinori Sato 2015-06-20 14:02:19 +09:00 committed by Rich Felker
parent 2af7967a8c
commit 940d4113f3
4 changed files with 78 additions and 27 deletions
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3
arch/sh/kernel/sh_ksyms_32.c
View File

@ -34,6 +34,9 @@ DECLARE_EXPORT(__sdivsi3);
DECLARE_EXPORT(__lshrsi3);
DECLARE_EXPORT(__ashrsi3);
DECLARE_EXPORT(__ashlsi3);
DECLARE_EXPORT(__lshrsi3_r0);
DECLARE_EXPORT(__ashrsi3_r0);
DECLARE_EXPORT(__ashlsi3_r0);
DECLARE_EXPORT(__ashiftrt_r4_6);
DECLARE_EXPORT(__ashiftrt_r4_7);
DECLARE_EXPORT(__ashiftrt_r4_8);

35
arch/sh/lib/ashlsi3.S
View File

@ -54,21 +54,38 @@ Boston, MA 02110-1301, USA. */
!
! (none)
!
! __ashlsi3_r0
!
! Entry:
!
! r4: Value to shift
! r0: Shifts
!
! Exit:
!
! r0: Result
!
! Destroys:
!
! (none)
.global __ashlsi3
.global __ashlsi3_r0
.align 2
__ashlsi3:
mov #31,r0
and r0,r5
mov r5,r0
.align 2
__ashlsi3_r0:
and #31,r0
mov.l r4,@-r15
mov r0,r4
mova ashlsi3_table,r0
mov.b @(r0,r5),r5
#ifdef __sh1__
add r5,r0
mov.b @(r0,r4),r4
add r4,r0
jmp @r0
#else
braf r5
#endif
mov r4,r0
mov.l @r15+,r0
.align 2
ashlsi3_table:

33
arch/sh/lib/ashrsi3.S
View File

@ -54,22 +54,37 @@ Boston, MA 02110-1301, USA. */
!
! (none)
!
! __ashrsi3_r0
!
! Entry:
!
! r4: Value to shift
! r0: Shifts
!
! Exit:
!
! r0: Result
!
! Destroys:
!
! (none)
.global __ashrsi3
.global __ashrsi3_r0
.align 2
__ashrsi3:
mov #31,r0
and r0,r5
mov r5,r0
.align 2
__ashrsi3_r0:
and #31,r0
mov.l r4,@-r15
mov r0,r4
mova ashrsi3_table,r0
mov.b @(r0,r5),r5
#ifdef __sh1__
add r5,r0
mov.b @(r0,r4),r4
add r4,r0
jmp @r0
#else
braf r5
#endif
mov r4,r0
mov.l @r15+,r0
.align 2
ashrsi3_table:

34
arch/sh/lib/lshrsi3.S
View File

@ -53,22 +53,38 @@ Boston, MA 02110-1301, USA. */
! Destroys:
!
! (none)
!
! __lshrsi3_r0
!
! Entry:
!
! r0: Value to shift
! r5: Shifts
!
! Exit:
!
! r0: Result
!
! Destroys:
!
! (none)
!
.global __lshrsi3
.global __lshrsi3_r0
.align 2
__lshrsi3:
mov #31,r0
and r0,r5
mov r5,r0
.align 2
__lshrsi3_r0:
and #31,r0
mov.l r4,@-r15
mov r0,r4
mova lshrsi3_table,r0
mov.b @(r0,r5),r5
#ifdef __sh1__
add r5,r0
mov.b @(r0,r4),r4
add r4,r0
jmp @r0
#else
braf r5
#endif
mov r4,r0
mov.l @r15+,r0
.align 2
lshrsi3_table: