* RISC-V: Enable Hoist to GCSE simple constants
@ 2023-08-10 0:54 juzhe.zhong
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From: juzhe.zhong @ 2023-08-10 0:54 UTC (permalink / raw)
To: gcc-patches; +Cc: jeffreyalaw, kito.cheng, Kito.cheng
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-/* { dg-final { scan-assembler-times {j\s+\.L[0-9]+\s+\.L[0-9]+:\s+vlm\.v} 1 { target { no-opts "-O0" no-opts "-O1" no-opts "-Os" no-opts "-Oz" no-opts "-funroll-loops" no-opts "-g" } } } } */
+/* { dg-final { scan-assembler-times {j\s+\.L[0-9]+\s+\.L[0-9]+:\s+vlm\.v} 1 { target { no-opts "-O0" no-opts "-O1" no-opts "-O2" no-opts "-Os" no-opts "-Oz" no-opts "-funroll-loops" no-opts "-g" } } } } */
-/* { dg-final { scan-assembler-times {j\s+\.L[0-9]+\s+\.L[0-9]+:\s+vlm\.v} 1 { target { no-opts "-O0" no-opts "-O1" no-opts "-Os" no-opts "-Oz" no-opts "-funroll-loops" no-opts "-g" } } } } */
+/* { dg-final { scan-assembler-times {j\s+\.L[0-9]+\s+\.L[0-9]+:\s+vlm\.v} 1 { target { no-opts "-O0" no-opts "-O1" no-opts "-O2" no-opts "-Os" no-opts "-Oz" no-opts "-funroll-loops" no-opts "-g" } } } } */
Instead of disabling O2, you should remove these 2 assembly check since you are disabling all option now.
I have checked this patch, this patch didn't make VSETVL codegen worse.
Ok from myside.
juzhe.zhong@rivai.ai
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2023-08-10 0:54 RISC-V: Enable Hoist to GCSE simple constants juzhe.zhong
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