Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Don't bother saving %f16-%f31, since we don't use them.

This commit is contained in:
mycroft 2000-07-24 07:30:54 +00:00
parent 2f13e00500
commit eded30220a
1 changed files with 4 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
lib/libc/arch/sparc64/string/bzero.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: bzero.S,v 1.4 2000/07/23 20:34:07 mycroft Exp $ */
/* $NetBSD: bzero.S,v 1.5 2000/07/24 07:30:54 mycroft Exp $ */
/*
* Copyright (c) 1992, 1993, 1999
@ -51,7 +51,7 @@
#if 0
.asciz "@(#)bzero.s 8.1 (Berkeley) 6/4/93"
#else
RCSID("$NetBSD: bzero.S,v 1.4 2000/07/23 20:34:07 mycroft Exp $")
RCSID("$NetBSD: bzero.S,v 1.5 2000/07/24 07:30:54 mycroft Exp $")
#endif
#endif /* LIBC_SCCS and not lint */
@ -199,7 +199,7 @@ Lbzero_block:
* See locore.s for the kernel version.
*
*/
save %sp, -(CC64FSZ+32*8+BLOCK_SIZE), %sp ! Allocate an fpstate
save %sp, -(CC64FSZ+16*4+BLOCK_SIZE), %sp ! Allocate an fpstate
add %sp, (CC64FSZ+BLOCK_SIZE-1), %l0 ! Calculate pointer to fpstate
btst 1, %sp
add %l0, BIAS, %l1 ! Fixup 64-bit stack pointers
@ -207,9 +207,7 @@ Lbzero_block:
andn %l0, BLOCK_ALIGN, %l0 ! And make it block aligned
! wr %g0, FPRS_FEF, %fprs ! Enable FPU
stda %f0, [%l0] ASI_BLK_P
add %l0, BLOCK_SIZE, %l1
stda %f16, [%l1] ASI_BLK_COMMIT_P ! We only need two banks
stda %f0, [%l0] ASI_BLK_COMMIT_P
!! We are now 8-byte aligned. We need to become 64-byte aligned.
btst 63, %i0
@ -253,8 +251,6 @@ Lbzero_block:
* we put it.
*/
ldda [%l0] ASI_BLK_P, %f0
add %l0, BLOCK_SIZE, %l1
ldda [%l1] ASI_BLK_P, %f16
addcc %i1, 56, %i1 ! Restore the count
ba,pt %xcc, Lbzero_longs ! Finish up the remainder
restore