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lib1funcs.asm (ic_invalidate): Align the cache-mirroring sequence.

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* config/sh/lib1funcs.asm (ic_invalidate): Align the
cache-mirroring sequence.  Add nops.

From-SVN: r42833
This commit is contained in:
Alexandre Oliva 2001-06-03 22:08:26 +00:00 committed by Alexandre Oliva
parent f85b8d1a2f
commit 9d4d725bb8
2 changed files with 13 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2001-06-03 Alexandre Oliva <aoliva@redhat.com>
* config/sh/lib1funcs.asm (ic_invalidate): Align the
cache-mirroring sequence. Add nops.
2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
* doc/install-old.texi: Remove more old installation

11
gcc/config/sh/lib1funcs.asm
View File

@ -1217,18 +1217,23 @@ GLOBAL(ic_invalidate):
ocbwb @r4
mova 0f,r0
mov.w 1f,r1
/* Compute how many cache lines 0f is away from r4. */
sub r0,r4
and r1,r4
add #4,r4
/* Prepare to branch to 0f plus the cache-line offset. */
add # 0f - 1f,r4
braf r4
nop
1:
.short 0x1fe0
nop
.p2align 5
/* This must be aligned to the beginning of a cache line. */
0:
.rept 2048
.rept 256 /* There are 256 cache lines of 32 bytes. */
rts
.rept 15
nop
.endr
.endr
#endif /* SH4 */
#endif /* L_ic_invalidate */