Messages in this thread Patch in this message | | | From | Yihao Han <> | Subject | [PATCH] lib/mpi: using swap() instead of tp variable | Date | Mon, 8 Nov 2021 22:59:05 -0800 |
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swap() was used instead of the tmp variable to swap values
Signed-off-by: Yihao Han <hanyihao@vivo.com> --- lib/mpi/mpi-pow.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/lib/mpi/mpi-pow.c b/lib/mpi/mpi-pow.c index 2fd7a46d55ec..67fbd4c2503d 100644 --- a/lib/mpi/mpi-pow.c +++ b/lib/mpi/mpi-pow.c @@ -176,7 +176,6 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) for (;;) { while (c) { - mpi_ptr_t tp; mpi_size_t xsize; /*if (mpihelp_mul_n(xp, rp, rp, rsize) < 0) goto enomem */ @@ -207,9 +206,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) xsize = msize; } - tp = rp; - rp = xp; - xp = tp; + swap(rp, xp); rsize = xsize; if ((mpi_limb_signed_t) e < 0) { @@ -235,9 +232,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) xsize = msize; } - tp = rp; - rp = xp; - xp = tp; + swap(rp, xp); rsize = xsize; } e <<= 1; -- 2.17.1
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