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kernel/arm64: fixed cscal and zscal #5281

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kernel/arm64: fixed cscal and zscal #5281

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10 changes: 7 additions & 3 deletions kernel/arm64/zscal.S
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define INC_X x4 /* X stride */
#define I x5 /* loop variable */
#define X_COPY x6 /* Copy of X */

#define FLAG x7 /* NaN handling level */
/*******************************************************************************
* Macro definitions
*******************************************************************************/
Expand Down Expand Up @@ -217,11 +217,15 @@ zscal_begin:
cmp N, xzr
ble .Lzscal_kernel_L999

ldr FLAG, [sp]
cmp FLAG, #1
beq .Lzscal_kernel_R_non_zero

fcmp DA_R, #0.0
bne .Lzscal_kernel_R_non_zero

fcmp DA_I, #0.0
beq .Lzscal_kernel_RI_zero
// fcmp DA_I, #0.0
// beq .Lzscal_kernel_RI_zero

// b .Lzscal_kernel_R_zero

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