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various small improvements and fixes

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This commit is contained in:
kub 2019-04-16 20:37:52 +02:00
parent f133766faa
commit d40a5af495
32 changed files with 372 additions and 241 deletions
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12
platform/gp2x/code940/memcpy.s
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@ -114,14 +114,12 @@ subs r2, r2, #0x14
blt Lmemcpy_fl32 /* less than 32 bytes (12 from above) */
stmdb sp!, {r4, r7, r8, r9, r10} /* borrow r4 */
/* blat 64 bytes at a time */
/* blat 32 bytes at a time */
/* XXX for really big copies perhaps we should use more registers */
Lmemcpy_floop32:
ldmia r1!, {r3, r4, r7, r8, r9, r10, r12, lr}
stmia r0!, {r3, r4, r7, r8, r9, r10, r12, lr}
ldmia r1!, {r3, r4, r7, r8, r9, r10, r12, lr}
stmia r0!, {r3, r4, r7, r8, r9, r10, r12, lr}
subs r2, r2, #0x40
subs r2, r2, #0x20
bge Lmemcpy_floop32
cmn r2, #0x10
@ -314,14 +312,12 @@ stmdb sp!, {r4, r7, r8, r9, r10, lr}
subs r2, r2, #0x14 /* less than 32 bytes (12 from above) */
blt Lmemcpy_bl32
/* blat 64 bytes at a time */
/* blat 32 bytes at a time */
/* XXX for really big copies perhaps we should use more registers */
Lmemcpy_bloop32:
ldmdb r1!, {r3, r4, r7, r8, r9, r10, r12, lr}
stmdb r0!, {r3, r4, r7, r8, r9, r10, r12, lr}
ldmdb r1!, {r3, r4, r7, r8, r9, r10, r12, lr}
stmdb r0!, {r3, r4, r7, r8, r9, r10, r12, lr}
subs r2, r2, #0x40
subs r2, r2, #0x20
bge Lmemcpy_bloop32
Lmemcpy_bl32: