From 72fbfb260197a52c2bc2583f3e8f15d261d0f924 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Wed, 7 Jun 2006 13:25:37 +0100 Subject: [MIPS] Fix optimization for size build. It took a while longer than on other architectures but gcc has finally started to strike us as well ... This also fixes the damage by 6edfba1b33c701108717f4e036320fc39abe1912. Signed-off-by: Ralf Baechle --- arch/mips/lib/ashrdi3.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 arch/mips/lib/ashrdi3.c (limited to 'arch/mips/lib/ashrdi3.c') diff --git a/arch/mips/lib/ashrdi3.c b/arch/mips/lib/ashrdi3.c new file mode 100644 index 00000000000..c884a912b66 --- /dev/null +++ b/arch/mips/lib/ashrdi3.c @@ -0,0 +1,31 @@ +#include + +#include "libgcc.h" + +long long __ashrdi3(long long u, word_type b) +{ + DWunion uu, w; + word_type bm; + + if (b == 0) + return u; + + uu.ll = u; + bm = 32 - b; + + if (bm <= 0) { + /* w.s.high = 1..1 or 0..0 */ + w.s.high = + uu.s.high >> 31; + w.s.low = uu.s.high >> -bm; + } else { + const unsigned int carries = (unsigned int) uu.s.high << bm; + + w.s.high = uu.s.high >> b; + w.s.low = ((unsigned int) uu.s.low >> b) | carries; + } + + return w.ll; +} + +EXPORT_SYMBOL(__ashrdi3); -- cgit v1.2.3