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From: Richard Sandiford <rsandifo@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-5137] aarch64: Don't update EH info when folding [PR107209] Date: Fri, 13 Jan 2023 10:01:45 +0000 (GMT) [thread overview] Message-ID: <20230113100145.451E33858D32@sourceware.org> (raw) https://gcc.gnu.org/g:3893c9c0a16832f55d8d0827f50c48a56c52f6e7 commit r13-5137-g3893c9c0a16832f55d8d0827f50c48a56c52f6e7 Author: Richard Biener <rguenther@suse.de> Date: Fri Jan 13 10:01:32 2023 +0000 aarch64: Don't update EH info when folding [PR107209] The AArch64 folders tried to update EH info on the fly, bypassing the folder's attempts to remove dead EH edges later. This triggered an ICE when folding a potentially-trapping call to a constant. gcc/ PR target/107209 * config/aarch64/aarch64.cc (aarch64_gimple_fold_builtin): Don't update EH info on the fly. gcc/testsuite/ * gcc.target/aarch64/pr107209.c: New test. Co-Authored-By: Richard Biener <rguenther@suse.de> Diff: --- gcc/config/aarch64/aarch64.cc | 2 +- gcc/testsuite/gcc.target/aarch64/pr107209.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc index c8335e7def7..80b71a7b612 100644 --- a/gcc/config/aarch64/aarch64.cc +++ b/gcc/config/aarch64/aarch64.cc @@ -15348,7 +15348,7 @@ aarch64_gimple_fold_builtin (gimple_stmt_iterator *gsi) if (!new_stmt) return false; - gsi_replace (gsi, new_stmt, true); + gsi_replace (gsi, new_stmt, false); return true; } diff --git a/gcc/testsuite/gcc.target/aarch64/pr107209.c b/gcc/testsuite/gcc.target/aarch64/pr107209.c new file mode 100644 index 00000000000..b86a6ea9036 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/pr107209.c @@ -0,0 +1,16 @@ +/* { dg-options "-O2 -fnon-call-exceptions -fno-tree-fre" } */ + +#include <arm_neon.h> + +float64x1_t +foo (void) +{ + float64_t v1 = 3.14159265359; + float64_t v2 = 1.383894; + float64_t vec_1_data[] = {v1}; + float64_t vec_2_data[] = {v2}; + float64x1_t vec_1 = vld1_f64 (vec_1_data); + float64x1_t vec_2 = vld1_f64 (vec_2_data); + + return vmulx_f64 (vec_1, vec_2); +}
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