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-rw-r--r--gcc/config/aarch64/aarch64-early-ra.cc6
-rw-r--r--gcc/testsuite/g++.dg/torture/pr116927-1.C15
2 files changed, 21 insertions, 0 deletions
diff --git a/gcc/config/aarch64/aarch64-early-ra.cc b/gcc/config/aarch64/aarch64-early-ra.cc
index 5f269d0..6e544dd 100644
--- a/gcc/config/aarch64/aarch64-early-ra.cc
+++ b/gcc/config/aarch64/aarch64-early-ra.cc
@@ -3389,6 +3389,12 @@ early_ra::is_dead_insn (rtx_insn *insn)
if (side_effects_p (set))
return false;
+ /* If we can't delete dead exceptions and the insn throws,
+ then the instruction is not dead. */
+ if (!cfun->can_delete_dead_exceptions
+ && !insn_nothrow_p (insn))
+ return false;
+
return true;
}
diff --git a/gcc/testsuite/g++.dg/torture/pr116927-1.C b/gcc/testsuite/g++.dg/torture/pr116927-1.C
new file mode 100644
index 0000000..22fa1db
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr116927-1.C
@@ -0,0 +1,15 @@
+// { dg-do compile }
+// { dg-additional-options "-fnon-call-exceptions -fno-delete-dead-exceptions" }
+
+// PR target/116927
+// aarch64's Early ra was removing possiblely trapping
+// floating point insn
+
+void
+foo (float f)
+{
+ try {
+ f ++;
+ }catch(...)
+ {}
+}