On 10/31/21 17:43, Taylor Simpson wrote:
> Tests for
> packet semantics
> vector loads (aligned and unaligned)
> vector stores (aligned and unaligned)
> vector masked stores
> vector new value store
> maximum HVX temps in a packet
> vector operations
>
> Acked-by: Richard Henderson <[email protected]>
> Signed-off-by: Taylor Simpson <[email protected]>
> ---
> tests/tcg/hexagon/hvx_misc.c | 469
> ++++++++++++++++++++++++++++++++++++++
> tests/tcg/hexagon/Makefile.target | 2 +
> 2 files changed, 471 insertions(+)
> create mode 100644 tests/tcg/hexagon/hvx_misc.c
> +static void test_load_tmp(void)
> +{
> + void *p0 = buffer0;
> + void *p1 = buffer1;
> + void *pout = output;
> +
> + for (int i = 0; i < BUFSIZE; i++) {
> + /*
> + * Load into v12 as .tmp, then use it in the next packet
> + * Should get the new value within the same packet and
> + * the old value in the next packet
> + */
> + asm("v3 = vmem(%0 + #0)\n\t"
> + "r1 = #1\n\t"
> + "v12 = vsplat(r1)\n\t"
> + "{\n\t"
> + " v12.tmp = vmem(%1 + #0)\n\t"
> + " v4.w = vadd(v12.w, v3.w)\n\t"
> + "}\n\t"
> + "v4.w = vadd(v4.w, v12.w)\n\t"
> + "vmem(%2 + #0) = v4\n\t"
> + : : "r"(p0), "r"(p1), "r"(pout)
> + : "r1", "v12", "v3", "v4", "v6", "memory");
> + p0 += sizeof(MMVector);
> + p1 += sizeof(MMVector);
> + pout += sizeof(MMVector);
> +
> + for (int j = 0; j < MAX_VEC_SIZE_BYTES / 4; j++) {
> + expect[i].w[j] = buffer0[i].w[j] + buffer1[i].w[j] + 1;
> + }
> + }
> +
> + check_output_w(__LINE__, BUFSIZE);
> +}
This test fails guest-tests:
tests/tcg/hexagon/hvx_misc.c:111:21: error: unknown register name 'v12'
in asm
: "r1", "v12", "v3", "v4", "v6", "memory");
^
tests/tcg/hexagon/hvx_misc.c:362:9: note: expanded from macro 'TEST_VEC_OP2'
VEC_OP2(ASM, EL, p0, p1, pout); \
^
