GCC modified for the FreeChainXenon project
8aaa948059
The code in gen_cpymem_ldrd_strd has been incorrect for big-endian since r230663. The problem is that we use gen_lowpart, etc. to split the 64-bit quantity, but fail to account for the fact that these routines are really dealing with 64-bit /values/ and in big-endian the ordering of the sub-registers changes. To fix this, I've renamed the conceptually misnamed low_reg and hi_reg as first_reg and second_reg, and then used different logic for big-endian targets to initialize these values. This makes the logic clearer than trying to think about high bits and low bits. gcc/ChangeLog: PR target/105981 * config/arm/arm.cc (gen_cpymem_ldrd_strd): Rename low_reg and hi_reg to first_reg and second_reg respectively. Initialize them correctly when generating big-endian code. |
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