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-rw-r--r--newlib/libc/machine/m68k/m68kasm.h40
-rw-r--r--newlib/libc/machine/m68k/memcpy.S64
-rw-r--r--newlib/libc/machine/m68k/memset.S72
-rw-r--r--newlib/libc/machine/m68k/setjmp.S41
4 files changed, 106 insertions, 111 deletions
diff --git a/newlib/libc/machine/m68k/m68kasm.h b/newlib/libc/machine/m68k/m68kasm.h
deleted file mode 100644
index a5c610af9..000000000
--- a/newlib/libc/machine/m68k/m68kasm.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/* These are predefined by new versions of GNU cpp. */
-
-#ifndef __USER_LABEL_PREFIX__
-#define __USER_LABEL_PREFIX__ _
-#endif
-
-#ifndef __REGISTER_PREFIX__
-#define __REGISTER_PREFIX__
-#endif
-
-/* ANSI concatenation macros. */
-
-#define CONCAT1(a, b) CONCAT2(a, b)
-#define CONCAT2(a, b) a ## b
-
-/* Use the right prefix for global labels. */
-
-#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
-
-/* Use the right prefix for registers. */
-
-#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
-
-#define d0 REG (d0)
-#define d1 REG (d1)
-#define d2 REG (d2)
-#define d3 REG (d3)
-#define d4 REG (d4)
-#define d5 REG (d5)
-#define d6 REG (d6)
-#define d7 REG (d7)
-#define a0 REG (a0)
-#define a1 REG (a1)
-#define a2 REG (a2)
-#define a3 REG (a3)
-#define a4 REG (a4)
-#define a5 REG (a5)
-#define a6 REG (a6)
-#define fp REG (fp)
-#define sp REG (sp)
diff --git a/newlib/libc/machine/m68k/memcpy.S b/newlib/libc/machine/m68k/memcpy.S
index 3badd58bf..ed9e7b2a1 100644
--- a/newlib/libc/machine/m68k/memcpy.S
+++ b/newlib/libc/machine/m68k/memcpy.S
@@ -13,13 +13,11 @@
* they apply.
*/
-#include "m68kasm.h"
-
.text
.align 4
- .globl SYM(memcpy)
- .type SYM(memcpy), @function
+ .globl memcpy
+ .type memcpy, @function
/* memcpy, optimised
*
@@ -33,64 +31,64 @@
* to further improve speed.
*/
-SYM(memcpy):
- move.l 4(sp),a0 | dest ptr
- move.l 8(sp),a1 | src ptr
- move.l 12(sp),d1 | len
- cmp.l #8,d1 | if fewer than 8 bytes to transfer,
+memcpy:
+ move.l 4(%sp),%a0 | dest ptr
+ move.l 8(%sp),%a1 | src ptr
+ move.l 12(%sp),%d1 | len
+ cmp.l #8,%d1 | if fewer than 8 bytes to transfer,
blo .Lresidue | do not optimise
/* align dest */
- move.l a0,d0 | copy of dest
- neg.l d0
- and.l #3,d0 | look for the lower two only
+ move.l %a0,%d0 | copy of dest
+ neg.l %d0
+ and.l #3,%d0 | look for the lower two only
beq 2f | is aligned?
- sub.l d0,d1
- lsr.l #1,d0 | word align needed?
+ sub.l %d0,%d1
+ lsr.l #1,%d0 | word align needed?
bcc 1f
- move.b (a1)+,(a0)+
+ move.b (%a1)+,(%a0)+
1:
- lsr.l #1,d0 | long align needed?
+ lsr.l #1,%d0 | long align needed?
bcc 2f
- move.w (a1)+,(a0)+
+ move.w (%a1)+,(%a0)+
2:
/* long word transfers */
- move.l d1,d0
- and.l #3,d1 | byte residue
- lsr.l #3,d0
+ move.l %d1,%d0
+ and.l #3,%d1 | byte residue
+ lsr.l #3,%d0
bcc 1f | carry set for 4-byte residue
- move.l (a1)+,(a0)+
+ move.l (%a1)+,(%a0)+
1:
- lsr.l #1,d0 | number of 16-byte transfers
+ lsr.l #1,%d0 | number of 16-byte transfers
bcc .Lcopy | carry set for 8-byte residue
bra .Lcopy8
1:
- move.l (a1)+,(a0)+
- move.l (a1)+,(a0)+
+ move.l (%a1)+,(%a0)+
+ move.l (%a1)+,(%a0)+
.Lcopy8:
- move.l (a1)+,(a0)+
- move.l (a1)+,(a0)+
+ move.l (%a1)+,(%a0)+
+ move.l (%a1)+,(%a0)+
.Lcopy:
#if !defined (__mcoldfire__)
- dbra d0,1b
- sub.l #0x10000,d0
+ dbra %d0,1b
+ sub.l #0x10000,%d0
#else
- subq.l #1,d0
+ subq.l #1,%d0
#endif
bpl 1b
bra .Lresidue
1:
- move.b (a1)+,(a0)+ | move residue bytes
+ move.b (%a1)+,(%a0)+ | move residue bytes
.Lresidue:
#if !defined (__mcoldfire__)
- dbra d1,1b | loop until done
+ dbra %d1,1b | loop until done
#else
- subq.l #1,d1
+ subq.l #1,%d1
bpl 1b
#endif
- move.l 4(sp),d0 | return value
+ move.l 4(%sp),%d0 | return value
rts
diff --git a/newlib/libc/machine/m68k/memset.S b/newlib/libc/machine/m68k/memset.S
index 622cf014d..545bf7e7d 100644
--- a/newlib/libc/machine/m68k/memset.S
+++ b/newlib/libc/machine/m68k/memset.S
@@ -13,13 +13,11 @@
* they apply.
*/
-#include "m68kasm.h"
-
.text
.align 4
- .globl SYM(memset)
- .type SYM(memset), @function
+ .globl memset
+ .type memset, @function
| memset, optimised
|
@@ -40,61 +38,61 @@
|
| VG, April 2007
|
-SYM(memset):
- move.l 4(sp),a0 | dest ptr
- move.l 8(sp),d0 | value
- move.l 12(sp),d1 | len
- cmp.l #16,d1
+memset:
+ move.l 4(%sp),%a0 | dest ptr
+ move.l 8(%sp),%d0 | value
+ move.l 12(%sp),%d1 | len
+ cmp.l #16,%d1
blo .Lbset | below, byte fills
|
- move.l d2,-(sp) | need a register
- move.b d0,d2 | distribute low byte to all byte in word
- lsl.l #8,d0
- move.b d2,d0
- move.w d0,d2
- swap d0 | rotate 16
- move.w d2,d0
+ move.l %d2,-(%sp) | need a register
+ move.b %d0,%d2 | distribute low byte to all byte in word
+ lsl.l #8,%d0
+ move.b %d2,%d0
+ move.w %d0,%d2
+ swap %d0 | rotate 16
+ move.w %d2,%d0
|
- move.l a0,d2 | copy of src
- neg.l d2 | 1 2 3 ==> 3 2 1
- and.l #3,d2
+ move.l %a0,%d2 | copy of src
+ neg.l %d2 | 1 2 3 ==> 3 2 1
+ and.l #3,%d2
beq 2f | is aligned
|
- sub.l d2,d1 | fix length
- lsr.l #1,d2 | word align needed?
+ sub.l %d2,%d1 | fix length
+ lsr.l #1,%d2 | word align needed?
bcc 1f
- move.b d0,(a0)+ | fill byte
+ move.b %d0,(%a0)+ | fill byte
1:
- lsr.l #1,d2 | long align needed?
+ lsr.l #1,%d2 | long align needed?
bcc 2f
- move.w d0,(a0)+ | fill word
+ move.w %d0,(%a0)+ | fill word
2:
- move.l d1,d2 | number of long transfers (at least 3)
- lsr.l #2,d2
- subq.l #1,d2
+ move.l %d1,%d2 | number of long transfers (at least 3)
+ lsr.l #2,%d2
+ subq.l #1,%d2
1:
- move.l d0,(a0)+ | fill long words
+ move.l %d0,(%a0)+ | fill long words
.Llset:
#if !defined (__mcoldfire__)
- dbra d2,1b | loop until done
- sub.l #0x10000,d2
+ dbra %d2,1b | loop until done
+ sub.l #0x10000,%d2
#else
- subq.l #1,d2
+ subq.l #1,%d2
#endif
bpl 1b
- and.l #3,d1 | residue byte transfers, fixed
- move.l (sp)+,d2 | restore d2
+ and.l #3,%d1 | residue byte transfers, fixed
+ move.l (%sp)+,%d2 | restore d2
bra .Lbset
1:
- move.b d0,(a0)+ | fill residue bytes
+ move.b %d0,(%a0)+ | fill residue bytes
.Lbset:
#if !defined (__mcoldfire__)
- dbra d1,1b | loop until done
+ dbra %d1,1b | loop until done
#else
- subq.l #1,d1
+ subq.l #1,%d1
bpl 1b
#endif
- move.l 4(sp),d0 | return value
+ move.l 4(%sp),%d0 | return value
rts
diff --git a/newlib/libc/machine/m68k/setjmp.S b/newlib/libc/machine/m68k/setjmp.S
index 4b260efcc..02a02c4e1 100644
--- a/newlib/libc/machine/m68k/setjmp.S
+++ b/newlib/libc/machine/m68k/setjmp.S
@@ -1,4 +1,43 @@
-#include "m68kasm.h"
+/* These are predefined by new versions of GNU cpp. */
+
+#ifndef __USER_LABEL_PREFIX__
+#define __USER_LABEL_PREFIX__ _
+#endif
+
+#ifndef __REGISTER_PREFIX__
+#define __REGISTER_PREFIX__
+#endif
+
+/* ANSI concatenation macros. */
+
+#define CONCAT1(a, b) CONCAT2(a, b)
+#define CONCAT2(a, b) a ## b
+
+/* Use the right prefix for global labels. */
+
+#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
+
+/* Use the right prefix for registers. */
+
+#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
+
+#define d0 REG (d0)
+#define d1 REG (d1)
+#define d2 REG (d2)
+#define d3 REG (d3)
+#define d4 REG (d4)
+#define d5 REG (d5)
+#define d6 REG (d6)
+#define d7 REG (d7)
+#define a0 REG (a0)
+#define a1 REG (a1)
+#define a2 REG (a2)
+#define a3 REG (a3)
+#define a4 REG (a4)
+#define a5 REG (a5)
+#define a6 REG (a6)
+#define fp REG (fp)
+#define sp REG (sp)
.global SYM (setjmp)
.global SYM (longjmp)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-06 10:34:01 +0300