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25 lines
888 B
25 lines
888 B
1 month ago
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diff --git a/blosc/blosc.c b/blosc/blosc.c
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index a04e161..ad800df 100644
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--- a/blosc/blosc.c
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+++ b/blosc/blosc.c
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@@ -240,6 +240,9 @@ static void my_free(void *block)
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/* Copy 4 bytes from `*pa` to int32_t, changing endianness if necessary. */
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+/* This routine is not strict-aliasing safe, particularly if it is
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+ inlined into its caller. So use attributes to prevent that. */
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+__attribute__ ((noinline,noclone,noipa))
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static int32_t sw32_(const uint8_t *pa)
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{
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int32_t idest;
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@@ -266,6 +269,9 @@ static int32_t sw32_(const uint8_t *pa)
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/* Copy 4 bytes from `*pa` to `*dest`, changing endianness if necessary. */
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+/* This routine is not strict-aliasing safe, particularly if it is
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+ inlined into its caller. So use attributes to prevent that. */
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+__attribute__ ((noinline,noclone,noipa))
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static void _sw32(uint8_t* dest, int32_t a)
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{
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uint8_t *pa = (uint8_t *)&a;
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