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Last change
on this file since 444 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
779 bytes
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| Line | |
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| 1 | #include "setarch.h" |
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| 2 | |
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| 3 | #include "defines.h" |
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| 4 | |
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| 5 | #if defined (__H8300SX__) |
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| 6 | .global _strcmp |
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| 7 | _strcmp: |
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| 8 | mov.l er0,er2 |
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| 9 | loop: |
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| 10 | mov.b @er2+,r0l |
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| 11 | beq eos |
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| 12 | sub.b @er1+,r0l |
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| 13 | beq loop |
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| 14 | exts.l #2,er0 |
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| 15 | rts |
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| 16 | eos: |
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| 17 | sub.b @er1,r0l |
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| 18 | exts.l #2,er0 |
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| 19 | rts |
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| 20 | #else |
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| 21 | .section .text |
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| 22 | .align 2 |
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| 23 | .global _strcmp |
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| 24 | _strcmp: |
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| 25 | MOVP A0P,A2P |
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| 26 | MOVP A1P,A3P |
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| 27 | .L5: |
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| 28 | mov.b @A2P+,A1L |
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| 29 | beq .L3 |
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| 30 | mov.b @A3P+,A0L |
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| 31 | cmp.b A0L,A1L |
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| 32 | beq .L5 |
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| 33 | #ifdef __NORMAL_MODE__ |
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| 34 | sub #1,A3P |
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| 35 | #else |
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| 36 | subs #1,A3P |
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| 37 | #endif |
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| 38 | .L3: |
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| 39 | mov.b @(-1,A2P),A0L |
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| 40 | mov.b @A3P,A1L |
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| 41 | sub.b A1L,A0L |
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| 42 | ; We have to sign extend the result to 32bits just in case |
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| 43 | ; we are using 32bit integers. |
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| 44 | #ifdef __H8300H__ |
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| 45 | exts.w r0 |
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| 46 | exts.l er0 |
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| 47 | #else |
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| 48 | #ifdef __H8300S__ |
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| 49 | exts.w r0 |
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| 50 | exts.l er0 |
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| 51 | #else |
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| 52 | bld #7,r0l |
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| 53 | subx r0h,r0h |
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| 54 | subx r1l,r1l |
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| 55 | subx r1h,r1h |
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| 56 | #endif |
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| 57 | #endif |
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| 58 | rts |
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| 59 | .end |
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| 60 | #endif |
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