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[PATCH 04/11] AArch64 - Add new option -mtrack-speculation


This patch doesn't do anything useful, it simply adds a new command-line
option -mtrack-speculation to AArch64.  Subsequent patches build on this.

	* config/aarch64/aarch64.opt (mtrack-speculation): New target option.
---
 gcc/config/aarch64/aarch64.opt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gcc/config/aarch64/aarch64.opt b/gcc/config/aarch64/aarch64.opt
index 1426b45..bc9b22a 100644
--- a/gcc/config/aarch64/aarch64.opt
+++ b/gcc/config/aarch64/aarch64.opt
@@ -214,3 +214,7 @@ Target RejectNegative Joined Enum(sve_vector_bits) Var(aarch64_sve_vector_bits)
 mverbose-cost-dump
 Common Undocumented Var(flag_aarch64_verbose_cost)
 Enables verbose cost model dumping in the debug dump files.
+
+mtrack-speculation
+Target Var(aarch64_track_speculation)
+Generate code to track when the CPU might be speculating incorrectly.

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