sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 140 insertions, 0 deletions

diff --git a/device/lib/stm8/_memmove.asm b/device/lib/stm8/_memmove.asm
new file mode 100644
index 0000000..e9b7c0a
--- /dev/null
+++ b/device/lib/stm8/_memmove.asm
@@ -0,0 +1,140 @@
+;--------------------------------------------------------
+; File Created by SDCC : free open source ANSI-C Compiler
+; Version 3.9.3 #11345 (Linux)
+;--------------------------------------------------------
+	.module _memmove
+	.optsdcc -mstm8
+	
+;--------------------------------------------------------
+; Public variables in this module
+;--------------------------------------------------------
+	.globl _memmove
+;--------------------------------------------------------
+; 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
+;	../_memmove.c: 34: void * memmove (void * dst, const void * src, size_t acount)
+;	-----------------------------------------
+;	 function memmove
+;	-----------------------------------------
+_memmove:
+	sub	sp, #10
+;	../_memmove.c: 36: void * ret = dst;
+	ldw	y, (0x0d, sp)
+	ldw	(0x03, sp), y
+;	../_memmove.c: 40: if ((uintptr_t)src < (uintptr_t)dst) {
+	ldw	x, (0x0f, sp)
+	ldw	y, (0x0d, sp)
+	ldw	(0x01, sp), y
+;	../_memmove.c: 44: d = ((char *)dst)+acount-1;
+	ldw	y, (0x0d, sp)
+	ldw	(0x05, sp), y
+;	../_memmove.c: 45: s = ((char *)src)+acount-1;
+	ldw	y, (0x0f, sp)
+	ldw	(0x07, sp), y
+;	../_memmove.c: 46: while (acount--) {
+	ldw	y, (0x11, sp)
+	ldw	(0x09, sp), y
+;	../_memmove.c: 40: if ((uintptr_t)src < (uintptr_t)dst) {
+	cpw	x, (0x01, sp)
+	jrnc	00108$
+;	../_memmove.c: 44: d = ((char *)dst)+acount-1;
+	ldw	x, (0x05, sp)
+	addw	x, (0x11, sp)
+	decw	x
+	exgw	x, y
+;	../_memmove.c: 45: s = ((char *)src)+acount-1;
+	ldw	x, (0x07, sp)
+	addw	x, (0x11, sp)
+	decw	x
+;	../_memmove.c: 46: while (acount--) {
+	ldw	(0x05, sp), x
+	ldw	(0x07, sp), y
+	ldw	y, (0x09, sp)
+00101$:
+	ldw	x, y
+	decw	y
+	tnzw	x
+	jreq	00109$
+;	../_memmove.c: 47: *d-- = *s--;
+	ldw	x, (0x05, sp)
+	ld	a, (x)
+	ldw	x, (0x05, sp)
+	decw	x
+	ldw	(0x05, sp), x
+	ldw	x, (0x07, sp)
+	ld	(x), a
+	ldw	x, (0x07, sp)
+	decw	x
+	ldw	(0x07, sp), x
+	jra	00101$
+00108$:
+;	../_memmove.c: 54: d = dst;
+	ldw	x, (0x05, sp)
+;	../_memmove.c: 55: s = src;
+	ldw	y, (0x07, sp)
+;	../_memmove.c: 56: while (acount--) {
+	ldw	(0x05, sp), y
+	ldw	(0x07, sp), x
+00104$:
+	ldw	x, (0x09, sp)
+	ldw	y, (0x09, sp)
+	decw	y
+	ldw	(0x09, sp), y
+	tnzw	x
+	jreq	00109$
+;	../_memmove.c: 57: *d++ = *s++;
+	ldw	x, (0x05, sp)
+	ld	a, (x)
+	ldw	x, (0x05, sp)
+	incw	x
+	ldw	(0x05, sp), x
+	ldw	x, (0x07, sp)
+	ld	(x), a
+	ldw	x, (0x07, sp)
+	incw	x
+	ldw	(0x07, sp), x
+	jra	00104$
+00109$:
+;	../_memmove.c: 61: return(ret);
+	ldw	x, (0x03, sp)
+;	../_memmove.c: 62: }
+	addw	sp, #10
+	ret
+	.area CODE
+	.area CONST
+	.area INITIALIZER
+	.area CABS (ABS)