diff --git a/arch/arm/vfp/vfp.h b/arch/arm/vfp/vfp.h index 55a02bc994a320a25a9dce034d9ebc060d75e36e..4b97950984e9628c895bb83dda4a99ba8300bee9 100644 --- a/arch/arm/vfp/vfp.h +++ b/arch/arm/vfp/vfp.h @@ -117,7 +117,13 @@ static inline u64 vfp_estimate_div128to64(u64 nh, u64 nl, u64 m) if (nh >= m) return ~0ULL; mh = m >> 32; - z = (mh << 32 <= nh) ? 0xffffffff00000000ULL : (nh / mh) << 32; + if (mh << 32 <= nh) { + z = 0xffffffff00000000ULL; + } else { + z = nh; + do_div(z, mh); + z <<= 32; + } mul64to128(&termh, &terml, m, z); sub128(&remh, &reml, nh, nl, termh, terml); ml = m << 32; @@ -126,7 +132,12 @@ static inline u64 vfp_estimate_div128to64(u64 nh, u64 nl, u64 m) add128(&remh, &reml, remh, reml, mh, ml); } remh = (remh << 32) | (reml >> 32); - z |= (mh << 32 <= remh) ? 0xffffffff : remh / mh; + if (mh << 32 <= remh) { + z |= 0xffffffff; + } else { + do_div(remh, mh); + z |= remh; + } return z; } diff --git a/arch/arm/vfp/vfpdouble.c b/arch/arm/vfp/vfpdouble.c index fa3053e84db56996701bad20b6f757c10f0ae9bb..b801cd66b6eadaed73befcd8da0363871340a90c 100644 --- a/arch/arm/vfp/vfpdouble.c +++ b/arch/arm/vfp/vfpdouble.c @@ -32,6 +32,8 @@ */ #include #include + +#include #include #include diff --git a/arch/arm/vfp/vfpsingle.c b/arch/arm/vfp/vfpsingle.c index 6849fe35cb2e7d59d3310d0c95807e3bdd28db08..14dd696ddeb1e98177cbc3b9a9883d3218ca592f 100644 --- a/arch/arm/vfp/vfpsingle.c +++ b/arch/arm/vfp/vfpsingle.c @@ -32,6 +32,8 @@ */ #include #include + +#include #include #include @@ -303,7 +305,11 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand) if (z <= a) return (s32)a >> 1; } - return (u32)(((u64)a << 31) / z) + (z >> 1); + { + u64 v = (u64)a << 31; + do_div(v, z); + return v + (z >> 1); + } } static u32 vfp_single_fsqrt(int sd, int unused, s32 m, u32 fpscr) @@ -1107,7 +1113,11 @@ static u32 vfp_single_fdiv(int sd, int sn, s32 m, u32 fpscr) vsn.significand >>= 1; vsd.exponent++; } - vsd.significand = ((u64)vsn.significand << 32) / vsm.significand; + { + u64 significand = (u64)vsn.significand << 32; + do_div(significand, vsm.significand); + vsd.significand = significand; + } if ((vsd.significand & 0x3f) == 0) vsd.significand |= ((u64)vsm.significand * vsd.significand != (u64)vsn.significand << 32);