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Commit fa681a1800a58234afe4d876c1752c0751826d22

Authored by Randolph Chung
Committed by Kyle McMartin
1 parent 7efe1611b2
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

[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>

Showing 2 changed files with 3 additions and 1 deletions Side-by-side Diff

arch/parisc/Makefile
Diff comments   View file @ fa681a1
... ... @@ -43,7 +43,7 @@
43 43 # Currently we save and restore fpregs on all kernel entry/interruption paths.
44 44 # If that gets optimized, we might need to disable the use of fpregs in the
45 45 # kernel.
46   -#cflags-y += -mdisable-fpregs
  46 +cflags-y += -mdisable-fpregs
47 47  
48 48 # Without this, "ld -r" results in .text sections that are too big
49 49 # (> 0x40000) for branches to reach stubs.
arch/parisc/lib/memcpy.c
Diff comments   View file @ fa681a1
... ... @@ -339,6 +339,7 @@
339 339 pds = (double *)pcs;
340 340 pdd = (double *)pcd;
341 341  
  342 +#if 0
342 343 /* Copy 8 doubles at a time */
343 344 while (len >= 8*sizeof(double)) {
344 345 register double r1, r2, r3, r4, r5, r6, r7, r8;
... ... @@ -366,6 +367,7 @@
366 367 fstdma(d_space, r8, pdd, pmc_store_exc);
367 368 len -= 8*sizeof(double);
368 369 }
  370 +#endif
369 371  
370 372 pws = (unsigned int *)pds;
371 373 pwd = (unsigned int *)pdd;