diff options
| author | Randolph Chung <tausq@parisc-linux.org> | 2005-10-21 22:48:34 -0400 |
|---|---|---|
| committer | Kyle McMartin <kyle@parisc-linux.org> | 2005-10-21 22:48:34 -0400 |
| commit | fa681a1800a58234afe4d876c1752c0751826d22 (patch) | |
| tree | 121863680509f24c2edc94009a703486b16e8768 /arch/parisc | |
| parent | 7efe1611b2db9025ffc52a686897ab91820caeb4 (diff) | |
| download | op-kernel-dev-fa681a1800a58234afe4d876c1752c0751826d22.zip op-kernel-dev-fa681a1800a58234afe4d876c1752c0751826d22.tar.gz | |
[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 <tausq@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/Makefile | 2 | ||||
| -rw-r--r-- | arch/parisc/lib/memcpy.c | 2 |
2 files changed, 3 insertions, 1 deletions
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; |
