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Don't enable string instructions on NetBSD if -Os is used.

This commit is contained in:
matt 2015-01-20 07:12:41 +00:00
parent 2d5fa36159
commit 9a22733cae
1 changed files with 6 additions and 2 deletions
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8
external/gpl3/gcc/dist/gcc/config/rs6000/rs6000.c vendored
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@ -3249,10 +3249,14 @@ rs6000_option_override_internal (bool global_init_p)
/* If we are optimizing big endian systems for space and it's OK to
use instructions that would be microcoded on the Cell, use the
load/store multiple and string instructions. */
load/store multiple and string instructions. Don't use string
instructions on NetBSD because the e500 doesn't support them. */
if (BYTES_BIG_ENDIAN && optimize_size && rs6000_gen_cell_microcode)
rs6000_isa_flags |= ~rs6000_isa_flags_explicit & (OPTION_MASK_MULTIPLE
| OPTION_MASK_STRING);
#if !defined (POWERPC_NETBSD)
| OPTION_MASK_STRING
#endif
| 0);
/* Don't allow -mmultiple or -mstring on little endian systems
unless the cpu is a 750, because the hardware doesn't support the