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[PARISC] Disable use of fpregs in pa_memcpy

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Disable use of fpregs in pa_memcpy, and turn on the
-mdisable-fpregs flag.

Signed-off-by: Randolph Chung <tausq@parisc-linux.org>

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Randolph Chung 2005-10-21 22:48:34 -04:00 committed by Kyle McMartin
parent 7efe1611b2
commit fa681a1800
2 changed files with 3 additions and 1 deletions
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2
arch/parisc/Makefile
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@ -43,7 +43,7 @@ cflags-y += -mno-space-regs -mfast-indirect-calls
# Currently we save and restore fpregs on all kernel entry/interruption paths.
# If that gets optimized, we might need to disable the use of fpregs in the
# kernel.
#cflags-y += -mdisable-fpregs
cflags-y += -mdisable-fpregs
# Without this, "ld -r" results in .text sections that are too big
# (> 0x40000) for branches to reach stubs.

2
arch/parisc/lib/memcpy.c
View File

@ -339,6 +339,7 @@ unsigned long pa_memcpy(void *dstp, const void *srcp, unsigned long len)
pds = (double *)pcs;
pdd = (double *)pcd;
#if 0
/* Copy 8 doubles at a time */
while (len >= 8*sizeof(double)) {
register double r1, r2, r3, r4, r5, r6, r7, r8;
@ -366,6 +367,7 @@ unsigned long pa_memcpy(void *dstp, const void *srcp, unsigned long len)
fstdma(d_space, r8, pdd, pmc_store_exc);
len -= 8*sizeof(double);
}
#endif
pws = (unsigned int *)pds;
pwd = (unsigned int *)pdd;