On 02/10/15 09:12, James Greenhalgh wrote:
2015-10-01 James Greenhalgh
* config/aarch64/aarch64-simd.md (*aarch64_combinez): Add
alternatives for reads from memory and moves from general-purpose
registers.
(*aarch64_combinez_be): Likewise.
2015-10-01 James G
Hi,
In AArch64, SIMD instructions which only touch the bottom 64-bits of a
vector register write zeroes to the upper 64-bits. In other words, we have
a cheap way to implement a "zero extend" of a SIMD operation, and can
generate efficient code for:
[(set (match_operand 0)
(vec_concat:1
