public inbox for gcc-cvs@sourceware.org
help / color / mirror / Atom feed
* [gcc r14-5696] RISC-V: testsuite: Fix popcount test.
@ 2023-11-21 20:10 Robin Dapp
0 siblings, 0 replies; only message in thread
From: Robin Dapp @ 2023-11-21 20:10 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:638c2f3caf01b1b570b403235ad6a28bd8245fc6
commit r14-5696-g638c2f3caf01b1b570b403235ad6a28bd8245fc6
Author: Robin Dapp <rdapp@ventanamicro.com>
Date: Mon Nov 20 17:12:14 2023 +0100
RISC-V: testsuite: Fix popcount test.
Due to Jakub's recent middle-end changes we now vectorize some more
popcount instances. This patch just adjusts the dump check.
gcc/testsuite/ChangeLog:
* gcc.target/riscv/rvv/autovec/unop/popcount.c: Adjust check.
* lib/target-supports.exp: Add riscv_zbb.
Diff:
---
gcc/testsuite/gcc.target/riscv/rvv/autovec/unop/popcount.c | 10 +++++++++-
gcc/testsuite/lib/target-supports.exp | 11 +++++++++++
2 files changed, 20 insertions(+), 1 deletion(-)
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/unop/popcount.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/unop/popcount.c
index 585a522aa81..ca1319c2e7e 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/unop/popcount.c
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/unop/popcount.c
@@ -1461,4 +1461,12 @@ main ()
RUN_ALL ()
}
-/* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 229 "vect" } } */
+/* TODO: Due to an over-zealous check in tree-vect-patterns we do not vectorize
+ e.g.
+ uint64_t dst[];
+ uint32_t src[];
+ dst[i] = __builtin_popcountll (src[i]);
+ even though we could. Therefore, for now, adjust the following checks.
+ This difference was exposed in r14-5557-g6dd4c703be17fa. */
+/* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 229 "vect" { target { { rv64 } && { ! riscv_zbb } } } } } */
+/* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 250 "vect" { target { { rv32 } || { riscv_zbb } } } } } */
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index f3cd0311e27..87b2ae58720 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -1983,6 +1983,17 @@ proc check_effective_target_riscv_ztso { } {
}]
}
+# Return 1 if the target arch supports the Zbb extension, 0 otherwise.
+# Cache the result.
+
+proc check_effective_target_riscv_zbb { } {
+ return [check_no_compiler_messages riscv_ext_zbb assembly {
+ #ifndef __riscv_zbb
+ #error "Not __riscv_zbb"
+ #endif
+ }]
+}
+
# Return 1 if we can execute code when using dg-add-options riscv_v
proc check_effective_target_riscv_v_ok { } {
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2023-11-21 20:10 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-11-21 20:10 [gcc r14-5696] RISC-V: testsuite: Fix popcount test Robin Dapp
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).