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| author | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-18 00:31:54 +0200 |
|---|---|---|
| committer | Xavier ASUS <xavi92psx@gmail.com> | 2019-10-18 00:31:54 +0200 |
| commit | 268a53de823a6750d6256ee1fb1e7707b4b45740 (patch) | |
| tree | 42c1799a9a82b2f7d9790ee9fe181d72a7274751 /device/lib/stm8-large/_memset.asm | |
| download | sdcc-gas-268a53de823a6750d6256ee1fb1e7707b4b45740.tar.gz | |
sdcc-3.9.0 fork implementing GNU assembler syntax
This fork aims to provide better support for stm8-binutils
Diffstat (limited to 'device/lib/stm8-large/_memset.asm')
| -rw-r--r-- | device/lib/stm8-large/_memset.asm | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/device/lib/stm8-large/_memset.asm b/device/lib/stm8-large/_memset.asm new file mode 100644 index 0000000..19c0cec --- /dev/null +++ b/device/lib/stm8-large/_memset.asm @@ -0,0 +1,83 @@ +;-------------------------------------------------------- +; File Created by SDCC : free open source ANSI-C Compiler +; Version 3.9.3 #11345 (Linux) +;-------------------------------------------------------- + .module _memset + .optsdcc -mstm8 + +;-------------------------------------------------------- +; Public variables in this module +;-------------------------------------------------------- + .globl _memset +;-------------------------------------------------------- +; ram data +;-------------------------------------------------------- + .area DATA +;-------------------------------------------------------- +; ram data +;-------------------------------------------------------- + .area INITIALIZED +;-------------------------------------------------------- +; absolute external ram data +;-------------------------------------------------------- + .area DABS (ABS) + +; default segment ordering for linker + .area HOME + .area GSINIT + .area GSFINAL + .area CONST + .area INITIALIZER + .area CODE + +;-------------------------------------------------------- +; global & static initialisations +;-------------------------------------------------------- + .area HOME + .area GSINIT + .area GSFINAL + .area GSINIT +;-------------------------------------------------------- +; Home +;-------------------------------------------------------- + .area HOME + .area HOME +;-------------------------------------------------------- +; code +;-------------------------------------------------------- + .area CODE +; ../_memset.c: 41: void *memset (void *s, int c, size_t n) +; ----------------------------------------- +; function memset +; ----------------------------------------- +_memset: + sub sp, #2 +; ../_memset.c: 44: register unsigned char *ret = s; + ldw x, (0x06, sp) +; ../_memset.c: 46: while (n--) + ldw (0x01, sp), x + ldw y, (0x0a, sp) +00101$: + ldw x, y + decw y + tnzw x + jreq 00103$ +; ../_memset.c: 48: *(unsigned char *) ret = c; + ld a, (0x09, sp) + ldw x, (0x01, sp) + ld (x), a +; ../_memset.c: 49: ret = ((unsigned char *) ret) + 1; + ldw x, (0x01, sp) + incw x + ldw (0x01, sp), x + jra 00101$ +00103$: +; ../_memset.c: 52: return s; + ldw x, (0x06, sp) +; ../_memset.c: 53: } + addw sp, #2 + retf + .area CODE + .area CONST + .area INITIALIZER + .area CABS (ABS) |