When scalar multiplication, must disable predicate and don't need specail handle.
Signed-off-by: Yang Rong <[email protected]> --- backend/src/backend/gen_insn_selection.cpp | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/backend/src/backend/gen_insn_selection.cpp b/backend/src/backend/gen_insn_selection.cpp index 605fdd5..64e9fd8 100644 --- a/backend/src/backend/gen_insn_selection.cpp +++ b/backend/src/backend/gen_insn_selection.cpp @@ -2566,14 +2566,12 @@ namespace gbe sel.push(); if (sel.has32X32Mul()) { - //Seems scalar mul need QWROD dst, otherwise will touch the dst's follow register. if (sel.isScalarReg(insn.getDst(0)) == true) { sel.curr.execWidth = 1; - GenRegister tmp = sel.selReg(sel.reg(FAMILY_QWORD), Type::TYPE_S64); - sel.MUL(tmp, src0, src1); - sel.MOV(dst, GenRegister::retype(tmp, GEN_TYPE_D)); - } else - sel.MUL(dst, src0, src1); + sel.curr.predicate = GEN_PREDICATE_NONE; + sel.curr.noMask = 1; + } + sel.MUL(dst, src0, src1); } else { if (sel.isScalarReg(insn.getDst(0)) == true) { sel.curr.execWidth = 1; -- 1.9.1 _______________________________________________ Beignet mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/beignet
