[RISCV] Pre-commit tests for D101342

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These tests show inefficient sign extension for AMOs on RISC-V. The
normal CodeGen tests use anyext return values, but if marked signext
then we end up generating unnecessary sign extension instructions. This
can be seen when compiling C that returns an i32 (signed or unsigned),
where the calling convention results in a signext return value.

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Jessica Clarke 2021-05-04 11:12:43 +01:00

parent 05146fe517

commit fb92cf9208

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