https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102575
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|target |tree-optimization
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
Last reconfirmed| |2021-10-03
Severity|normal |enhancement
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
/app/example.cpp:5:1: note: === vect_slp_analyze_bb ===
/app/example.cpp:5:1: note: === vect_analyze_data_refs ===
/app/example.cpp:5:1: missed: not vectorized: no vectype for stmt: *a_2(D) =
__complex__ (1.0e+0, 0.0);
scalar_type: complex double
/app/example.cpp:5:1: missed: not vectorized: no vectype for stmt:
MEM[(complex double *)a_2(D) + 16B] = __complex__ (1.0e+0, 0.0);
scalar_type: complex double
/app/example.cpp:5:1: note: === vect_analyze_data_ref_accesses ===
/app/example.cpp:5:1: missed: not vectorized: no grouped stores in basic
block.
/app/example.cpp:5:1: note: ***** Analysis failed with vector mode VOID
void test (complex double * a)
Yes SLP does not understand how to handle complex double
And then expand splits the complex type store into two different stores.
