From fa681a1800a58234afe4d876c1752c0751826d22 Mon Sep 17 00:00:00 2001 From: Randolph Chung Date: Fri, 21 Oct 2005 22:48:34 -0400 Subject: [PATCH] [PARISC] Disable use of fpregs in pa_memcpy Disable use of fpregs in pa_memcpy, and turn on the -mdisable-fpregs flag. Signed-off-by: Randolph Chung Signed-off-by: Kyle McMartin --- arch/parisc/Makefile | 2 +- arch/parisc/lib/memcpy.c | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index 3b339b1..e3549f4 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -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. diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c index feb1b9f..b709803 100644 --- a/arch/parisc/lib/memcpy.c +++ b/arch/parisc/lib/memcpy.c @@ -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; -- 1.9.1