[src/trunk]: src/lib/libc/arch/sparc64/string Don't bother saving %f16-%f31, ...

[mycroft <mycroft%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2df98ea54098
branches:  trunk
changeset: 495203:2df98ea54098
user:      mycroft <mycroft%NetBSD.org@localhost>
date:      Mon Jul 24 07:30:54 2000 +0000

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

diffstat:

 lib/libc/arch/sparc64/string/bzero.S |  12 ++++--------
 1 files changed, 4 insertions(+), 8 deletions(-)

diffs (47 lines):

diff -r dcf94967c3d6 -r 2df98ea54098 lib/libc/arch/sparc64/string/bzero.S
--- a/lib/libc/arch/sparc64/string/bzero.S      Mon Jul 24 06:30:34 2000 +0000
+++ b/lib/libc/arch/sparc64/string/bzero.S      Mon Jul 24 07:30:54 2000 +0000
@@ -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 @@
  * 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 @@
        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 @@
  * 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