AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

sh: fcnvds fix with denormalized numbers on SH-4 FPU.

Browse Source 
This fixes a bug in the FPU exception handler for the FCNVDS instruction.
To get the register number the instruction is shifted right by 9,
though it should be shifted right by 8.

More information at ST Linux bugzilla:

	https://bugzilla.stlinux.com/show_bug.cgi?id=4892

Signed-off-by: Giuseppe Di Giore <giuseppe.di-giore@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Carmelo AMOROSO 2008-10-15 16:48:16 +01:00 committed by Paul Mundt
parent 4886516310
commit 0f6dee232f
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/sh/kernel/cpu/sh4/fpu.c
View File

@ -423,7 +423,7 @@ static int ieee_fpe_handler(struct pt_regs *regs)
int m;
unsigned int hx;
m = (finsn >> 9) & 0x7;
m = (finsn >> 8) & 0x7;
hx = tsk->thread.fpu.hard.fp_regs[m];
if ((tsk->thread.fpu.hard.fpscr & FPSCR_CAUSE_ERROR)