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[MIPS] TX49: Fix use of CDEX build_store_reg()

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The commit a923660d786a53e78834b19062f7af2535f7f8ad accidently
prevents TX49 from using CDEX.  Use build_dst_pref() only if prefetch
for store was really available.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto 2006-12-18 00:38:21 +09:00 committed by Ralf Baechle
parent d98f923714
commit 33b06b513e
1 changed files with 4 additions and 5 deletions
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9
arch/mips/mm/pg-r4k.c
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@ -243,11 +243,10 @@ static void __init __build_store_reg(int reg)
static inline void build_store_reg(int reg)
{
if (cpu_has_prefetch)
if (reg)
build_dst_pref(pref_offset_copy);
else
build_dst_pref(pref_offset_clear);
int pref_off = cpu_has_prefetch ?
(reg ? pref_offset_copy : pref_offset_clear) : 0;
if (pref_off)
build_dst_pref(pref_off);
else if (cpu_has_cache_cdex_s)
build_cdex_s();
else if (cpu_has_cache_cdex_p)