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Multiply by two instead of left-shifting one place

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fixes GCC ubsan report of "left shift of negative value -2" in the BLAS tests
This commit is contained in:
Martin Kroeker
2020-08-02 18:25:09 +02:00
committed by GitHub
parent aa3a1e7d8c
commit aa53a8a5cb
1 changed files with 2 additions and 2 deletions
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4
kernel/x86_64/zdot.c
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@@ -140,8 +140,8 @@ static void zdot_compute (BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLO
i=0;
ix=0;
iy=0;
inc_x <<= 1;
inc_y <<= 1;
inc_x *= 2;
inc_y *= 2;
while(i < n)
{