diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9e499ec9c86c800f506b0327ce4e6cb3e4bfc357..0c7dad08637516890f3338b7496334da39d46aea 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2020-04-16 Richard Sandiford <richard.sandiford@arm.com> + + PR target/94606 + * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_eor): Take + the VNx16BI lowpart of the recursively-generated constant. + 2020-04-16 Martin Liska <mliska@suse.cz> Jakub Jelinek <jakub@redhat.com> diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index 4af562a81ea760891fac3cf7101b8bf887fe7a0d..d0a41c286cdfde9759fcbad1b2e2367037f0a832 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -4742,6 +4742,7 @@ aarch64_expand_sve_const_pred_eor (rtx target, rtx_vector_builder &builder, /* EOR the result with an ELT_SIZE PTRUE. */ rtx mask = aarch64_ptrue_all (elt_size); mask = force_reg (VNx16BImode, mask); + inv = gen_lowpart (VNx16BImode, inv); target = aarch64_target_reg (target, VNx16BImode); emit_insn (gen_aarch64_pred_z (XOR, VNx16BImode, target, mask, inv, mask)); return target; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 94d2312022de30db844246c5e3b28d6727a46f93..72bed4064e561ef8e96c70c7e49dff955364c245 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2020-04-16 Richard Sandiford <richard.sandiford@arm.com> + + PR target/94606 + * gcc.dg/vect/pr94606.c: New test. + 2020-04-16 Martin Liska <mliska@suse.cz> Jakub Jelinek <jakub@redhat.com> diff --git a/gcc/testsuite/gcc.dg/vect/pr94606.c b/gcc/testsuite/gcc.dg/vect/pr94606.c new file mode 100644 index 0000000000000000000000000000000000000000..f0e7c4cd0e854af279e46a375f324363b09e476c --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr94606.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-additional-options "-march=armv8.2-a+sve -msve-vector-bits=256" { target aarch64*-*-* } } */ + +const short mask[] = { 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 1, 1, 1, 1, 1 }; + +int +foo (short *restrict x, short *restrict y) +{ + for (int i = 0; i < 16; ++i) + if (mask[i]) + x[i] += y[i]; +}