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[riscv64] disable vectorizer during LTO

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With LTO, vectorization needs to be disabled separately in the linker flags as well.

Change-Id: I71d813974a9b7a40954d3dab5b1704baed610fd0
This commit is contained in:
Pirama Arumuga Nainar
2024-01-19 22:58:46 +00:00
parent ed0e3cd911
commit 5376892762
1 changed files with 2 additions and 0 deletions
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cc/config/riscv64_device.go
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@@ -43,6 +43,8 @@ var (
// Equivalent to "-munaligned-access", but our clang doesn't have that yet.
"-Xclang -target-feature -Xclang +unaligned-scalar-mem",
"-Xclang -target-feature -Xclang +unaligned-vector-mem",
// Until https://gitlab.com/qemu-project/qemu/-/issues/1976 is fixed...
"-Wl,-mllvm,-vectorize-loops=false",
// We should change the default for this in clang, but for now...
// (https://github.com/google/android-riscv64/issues/124)
"-Wl,-mllvm -Wl,-jump-is-expensive=false",