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| author | Andre Vieira <andre.simoesdiasvieira@arm.com> | 2021-02-19 09:13:02 +0000 |
|---|---|---|
| committer | Andre Vieira <andre.simoesdiasvieira@arm.com> | 2021-02-19 09:13:02 +0000 |
| commit | 6070e39cd0af6ac4a88004c8b1b6a900a8bbce36 (patch) | |
| tree | a6774744bd7c846afc12f7d1416c5a1425ca6341 /gcc | |
| parent | 0b2b7ef3676920c120d9b329e5b65924650ab44c (diff) | |
| download | gcc-6070e39cd0af6ac4a88004c8b1b6a900a8bbce36.zip gcc-6070e39cd0af6ac4a88004c8b1b6a900a8bbce36.tar.gz gcc-6070e39cd0af6ac4a88004c8b1b6a900a8bbce36.tar.bz2 | |
aarch64: Check predicate when using gen_vec_duplicate [PR98657]
Prevents generation of a vec_duplicate with illegal predicate in
<ASHIFT:optab><mode>3.
gcc/ChangeLog:
2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
PR target/98657
* config/aarch64/aarch64-sve.md (<ASHIFT:optab><mode>3): Use
expand_vector_broadcast' to emit the vec_duplicate operand.
gcc/testsuite/ChangeLog:
2021-02-19 Andre Vieira <andre.simoesdiasvieira@arm.com>
PR target/98657
* gcc.target/aarch64/sve/pr98657.c: New test.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/aarch64/aarch64-sve.md | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/aarch64/sve/pr98657.c | 9 |
2 files changed, 11 insertions, 4 deletions
diff --git a/gcc/config/aarch64/aarch64-sve.md b/gcc/config/aarch64/aarch64-sve.md index 6083196..7db2938 100644 --- a/gcc/config/aarch64/aarch64-sve.md +++ b/gcc/config/aarch64/aarch64-sve.md @@ -4549,10 +4549,8 @@ } else { - amount = gen_reg_rtx (<MODE>mode); - emit_insn (gen_vec_duplicate<mode> (amount, - convert_to_mode (<VEL>mode, - operands[2], 0))); + amount = convert_to_mode (<VEL>mode, operands[2], 0); + amount = expand_vector_broadcast (<MODE>mode, amount); } emit_insn (gen_v<optab><mode>3 (operands[0], operands[1], amount)); DONE; diff --git a/gcc/testsuite/gcc.target/aarch64/sve/pr98657.c b/gcc/testsuite/gcc.target/aarch64/sve/pr98657.c new file mode 100644 index 0000000..592af25 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/sve/pr98657.c @@ -0,0 +1,9 @@ +/* PR target/98657 */ +/* { dg-do compile } */ +/* { dg-options "-O3 -msve-vector-bits=256" } */ +extern char a[]; +void b(_Bool c[][18]) { + int d; + for (int e = 0; e < 23; e++) + a[e] = 6 >> c[1][d]; +} |