diff options
| author | Jeff Johnston <jjohnstn@redhat.com> | 2003-11-20 19:59:03 +0000 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2003-11-20 19:59:03 +0000 |
| commit | 7343eefbded126b84a25eb3db9666d827376c5ef (patch) | |
| tree | 1a12a6c7be21ad295dec9aa64ec7221b9e2210c0 /newlib/libc/machine/h8300 | |
| parent | 94cacaf60b1aacb95fbdde78fe9e62bfd4b63871 (diff) | |
| download | cygnal-7343eefbded126b84a25eb3db9666d827376c5ef.tar.gz cygnal-7343eefbded126b84a25eb3db9666d827376c5ef.tar.bz2 cygnal-7343eefbded126b84a25eb3db9666d827376c5ef.zip | |
2003-11-20 Dhananjay Deshpande <dhananjayd@kpitcummins.com>
* libc/machine/h8300/defines.h : Correct pointer register defines
for normal mode.
* libc/machine/h8300/memcpy.S : Use add/sub instead of adds/subs
for normal mode.
* libc/machine/h8300/reg_memcpy.S : Likewise.
* libc/machine/h8300/reg_memset.S : Likewise.
* libc/machine/h8300/strcmp.S : Likewise.
Diffstat (limited to 'newlib/libc/machine/h8300')
| -rw-r--r-- | newlib/libc/machine/h8300/defines.h | 52 | ||||
| -rw-r--r-- | newlib/libc/machine/h8300/memcpy.S | 8 | ||||
| -rw-r--r-- | newlib/libc/machine/h8300/reg_memcpy.S | 8 | ||||
| -rw-r--r-- | newlib/libc/machine/h8300/reg_memset.S | 5 | ||||
| -rw-r--r-- | newlib/libc/machine/h8300/strcmp.S | 4 |
5 files changed, 72 insertions, 5 deletions
diff --git a/newlib/libc/machine/h8300/defines.h b/newlib/libc/machine/h8300/defines.h index c6ae3df10..84b2506d5 100644 --- a/newlib/libc/machine/h8300/defines.h +++ b/newlib/libc/machine/h8300/defines.h @@ -28,6 +28,7 @@ #define S2H r6h #ifdef __H8300__ + #define MOVP mov.w /* pointers are 16 bits */ #define ADDP add.w #define CMPP cmp.w @@ -41,9 +42,29 @@ #define S0P r4 #define S1P r5 #define S2P r6 -#endif + +#endif /* __H8300__ */ #ifdef __H8300H__ + +#ifdef __NORMAL_MODE__ + +#define MOVP mov.w /* pointers are 16 bits */ +#define ADDP add.w +#define CMPP cmp.w +#define PUSHP push +#define POPP pop + +#define A0P r0 +#define A1P r1 +#define A2P r2 +#define A3P r3 +#define S0P r4 +#define S1P r5 +#define S2P r6 + +#else /* !__NORMAL_MODE__ */ + #define MOVP mov.l /* pointers are 32 bits */ #define ADDP add.l #define CMPP cmp.l @@ -58,13 +79,35 @@ #define S1P er5 #define S2P er6 +#endif /* !__NORMAL_MODE__ */ + #define A0E e0 #define A1E e1 #define A2E e2 #define A3E e3 -#endif + +#endif /* __H8300H__ */ #ifdef __H8300S__ + +#ifdef __NORMAL_MODE__ + +#define MOVP mov.w /* pointers are 16 bits */ +#define ADDP add.w +#define CMPP cmp.w +#define PUSHP push +#define POPP pop + +#define A0P r0 +#define A1P r1 +#define A2P r2 +#define A3P r3 +#define S0P r4 +#define S1P r5 +#define S2P r6 + +#else /* !__NORMAL_MODE__ */ + #define MOVP mov.l /* pointers are 32 bits */ #define ADDP add.l #define CMPP cmp.l @@ -79,8 +122,11 @@ #define S1P er5 #define S2P er6 +#endif /* !__NORMAL_MODE__ */ + #define A0E e0 #define A1E e1 #define A2E e2 #define A3E e3 -#endif + +#endif /* __H8300S__ */ diff --git a/newlib/libc/machine/h8300/memcpy.S b/newlib/libc/machine/h8300/memcpy.S index 21738e783..305e865df 100644 --- a/newlib/libc/machine/h8300/memcpy.S +++ b/newlib/libc/machine/h8300/memcpy.S @@ -23,7 +23,11 @@ _memcpy: bne byteloop wordloop: +#ifdef __NORMAL_MODE__ + sub #2,A1P +#else subs #2,A1P ; point to word +#endif mov.w @A1P,A2 ; get word mov.w A2,@-A0P ; save word CMPP A0P,A3P ; at the front again ? @@ -31,7 +35,11 @@ wordloop: rts byteloop: +#ifdef __NORMAL_MODE__ + sub #1,A1P +#else subs #1,A1P ; point to byte +#endif mov.b @A1P,A2L ; get byte mov.b A2L,@-A0P ; save byte CMPP A0P,A3P ; at the front again ? diff --git a/newlib/libc/machine/h8300/reg_memcpy.S b/newlib/libc/machine/h8300/reg_memcpy.S index ea4aff0f6..5402fc46d 100644 --- a/newlib/libc/machine/h8300/reg_memcpy.S +++ b/newlib/libc/machine/h8300/reg_memcpy.S @@ -14,8 +14,12 @@ ___reg_memcpy: CMPP A0P,A3P ; see if anything to do beq quit - -loop: subs #1,A1P ; point to byte +loop: +#ifdef __NORMAL_MODE__ + sub #1,A1P ; point to byte +#else + subs #1,A1P ; point to byte +#endif mov.b @A1P,A2L ; get byte mov.b A2L,@-A0P ; save byte CMPP A0P,A3P ; at the front again ? diff --git a/newlib/libc/machine/h8300/reg_memset.S b/newlib/libc/machine/h8300/reg_memset.S index 79cccab38..ce4f5ca66 100644 --- a/newlib/libc/machine/h8300/reg_memset.S +++ b/newlib/libc/machine/h8300/reg_memset.S @@ -14,8 +14,13 @@ ___reg_memset: memloop: mov.b A1L,@A0P +#ifdef __NORMAL_MODE__ + add #1,A0P + sub #1,A2P +#else adds #1,A0P subs #1,A2P +#endif MOVP A2P,A2P bne memloop diff --git a/newlib/libc/machine/h8300/strcmp.S b/newlib/libc/machine/h8300/strcmp.S index 4433af523..2ee31f05c 100644 --- a/newlib/libc/machine/h8300/strcmp.S +++ b/newlib/libc/machine/h8300/strcmp.S @@ -14,7 +14,11 @@ _strcmp: mov.b @A3P+,A0L cmp.b A0L,A1L beq .L5 +#ifdef __NORMAL_MODE__ + sub #1,A3P +#else subs #1,A3P +#endif .L3: mov.b @(-1,A2P),A0L mov.b @A3P,A1L |