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Merge pull request #2758 from martin-frbg/undef_shift 

Fix GCC ubsan warnings in x86_64 complex dot and gemv_t kernels
This commit is contained in:
Martin Kroeker 2020-08-03 23:30:26 +02:00 committed by GitHub
parent 4847bfdddd 81dcfdcf39
commit cd60080d4a
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 10 additions and 10 deletions
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4
kernel/x86_64/cdot.c
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@ -141,8 +141,8 @@ OPENBLAS_COMPLEX_FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLA
i=0; i=0;
ix=0; ix=0;
iy=0; iy=0;
inc_x <<= 1; inc_x *= 2;
inc_y <<= 1; inc_y *= 2;
while(i < n) while(i < n)
{ {

6
kernel/x86_64/cgemv_t_4.c
View File

@ -233,9 +233,9 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha_r, FLOAT alpha_i,
if ( m < 1 ) return(0); if ( m < 1 ) return(0);
if ( n < 1 ) return(0); if ( n < 1 ) return(0);
inc_x <<= 1; inc_x *= 2;
inc_y <<= 1; inc_y *= 2;
lda <<= 1; lda *= 2;
lda4 = lda << 2; lda4 = lda << 2;
xbuffer = buffer; xbuffer = buffer;

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; i=0;
ix=0; ix=0;
iy=0; iy=0;
inc_x <<= 1; inc_x *= 2;
inc_y <<= 1; inc_y *= 2;
while(i < n) while(i < n)
{ {

4
kernel/x86_64/zgemv_t_4.c
View File

@ -235,8 +235,8 @@ int CNAME(BLASLONG m, BLASLONG n, BLASLONG dummy1, FLOAT alpha_r, FLOAT alpha_i,
if ( m < 1 ) return(0); if ( m < 1 ) return(0);
if ( n < 1 ) return(0); if ( n < 1 ) return(0);
inc_x <<= 1; inc_x *= 2;
inc_y <<= 1; inc_y *= 2;
lda <<= 1; lda <<= 1;
lda4 = lda << 2; lda4 = lda << 2;