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authorLinus Torvalds <torvalds@g5.osdl.org>2006-04-11 03:45:24 +0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-11 03:45:24 +0400
commit30d41bfbfb40bc6615e62eaa17fead79e3083c32 (patch)
treeb570a428b88e5cde113236c9cb208cdc1045ffb3 /arch/arm/vfp/vfpdouble.c
parente38d557896c4213dd0919770feac0f4a8f60151b (diff)
parent1356c1948da967bc1d4c663762bfe21dfcec4b2f (diff)
downloadlinux-30d41bfbfb40bc6615e62eaa17fead79e3083c32.tar.xz
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 3473/1: Use numbers 0-15 for the VFP double registers [ARM] 3472/1: Use the D variants of FLDMIA/FSTMIA on ARMv6 [ARM] 3471/1: FTOSI functions should return 0 for NaN [ARM] 3470/1: Clear the HWCAP bits for the disabled kernel features [ARM] 3469/1: S3C24XX: clkout missing hclk selector [ARM] 3468/1: S3C2410: SMDK common include fix [ARM] 3461/1: ARM: OMAP: Fix clk_get() when using id and name [ARM] 3460/1: ARM: OMAP: Remove unnecessary nop_release() [ARM] 3459/1: ixp23xx: fix debug serial macros for big-endian operation [ARM] Allow decompressor to be built with -ffunction-sections [ARM] Fix SA110/SA1100 cache flushing [ARM] ebsa110: Fix incorrect serial port address [ARM] Fix ebsa110 debug macros [ARM] Move FLUSH_BASE macros to asm/arch/memory.h [ARM] Remove unnecessary extra parens in include/asm-arm/memory.h [ARM] arm's arch_local_page_offset() fix against 2.6.17-rc1
Diffstat (limited to 'arch/arm/vfp/vfpdouble.c')
-rw-r--r--arch/arm/vfp/vfpdouble.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c
index 9b367a65cb4d..febd115dba28 100644
--- a/arch/arm/vfp/vfpdouble.c
+++ b/arch/arm/vfp/vfpdouble.c
@@ -588,6 +588,7 @@ static u32 vfp_double_ftosi(int sd, int unused, int dm, u32 fpscr)
struct vfp_double vdm;
u32 d, exceptions = 0;
int rmode = fpscr & FPSCR_RMODE_MASK;
+ int tm;
vfp_double_unpack(&vdm, vfp_get_double(dm));
vfp_double_dump("VDM", &vdm);
@@ -595,10 +596,14 @@ static u32 vfp_double_ftosi(int sd, int unused, int dm, u32 fpscr)
/*
* Do we have denormalised number?
*/
- if (vfp_double_type(&vdm) & VFP_DENORMAL)
+ tm = vfp_double_type(&vdm);
+ if (tm & VFP_DENORMAL)
exceptions |= FPSCR_IDC;
- if (vdm.exponent >= 1023 + 32) {
+ if (tm & VFP_NAN) {
+ d = 0;
+ exceptions |= FPSCR_IOC;
+ } else if (vdm.exponent >= 1023 + 32) {
d = 0x7fffffff;
if (vdm.sign)
d = ~d;
@@ -1122,9 +1127,9 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
{
u32 op = inst & FOP_MASK;
u32 exceptions = 0;
- unsigned int dd = vfp_get_sd(inst);
- unsigned int dn = vfp_get_sn(inst);
- unsigned int dm = vfp_get_sm(inst);
+ unsigned int dd = vfp_get_dd(inst);
+ unsigned int dn = vfp_get_dn(inst);
+ unsigned int dm = vfp_get_dm(inst);
unsigned int vecitr, veclen, vecstride;
u32 (*fop)(int, int, s32, u32);
@@ -1141,7 +1146,7 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
pr_debug("VFP: vecstride=%u veclen=%u\n", vecstride,
(veclen >> FPSCR_LENGTH_BIT) + 1);
- fop = (op == FOP_EXT) ? fop_extfns[dn] : fop_fns[FOP_TO_IDX(op)];
+ fop = (op == FOP_EXT) ? fop_extfns[FEXT_TO_IDX(inst)] : fop_fns[FOP_TO_IDX(op)];
if (!fop)
goto invalid;
@@ -1149,17 +1154,13 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
u32 except;
if (op == FOP_EXT)
- pr_debug("VFP: itr%d (d%u.%u) = op[%u] (d%u.%u)\n",
+ pr_debug("VFP: itr%d (d%u) = op[%u] (d%u)\n",
vecitr >> FPSCR_LENGTH_BIT,
- dd >> 1, dd & 1, dn,
- dm >> 1, dm & 1);
+ dd, dn, dm);
else
- pr_debug("VFP: itr%d (d%u.%u) = (d%u.%u) op[%u] (d%u.%u)\n",
+ pr_debug("VFP: itr%d (d%u) = (d%u) op[%u] (d%u)\n",
vecitr >> FPSCR_LENGTH_BIT,
- dd >> 1, dd & 1,
- dn >> 1, dn & 1,
- FOP_TO_IDX(op),
- dm >> 1, dm & 1);
+ dd, dn, FOP_TO_IDX(op), dm);
except = fop(dd, dn, dm, fpscr);
pr_debug("VFP: itr%d: exceptions=%08x\n",