diff options
| author | Taylor Simpson <tsimpson@quicinc.com> | 2021-04-08 20:07:49 -0500 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-05-01 08:31:43 -0700 |
| commit | 57d352ac298b27617a53783305af2554025060d9 (patch) | |
| tree | 410a2da292b95cb585c110070595ebb1ab5f846c /tests | |
| parent | 0a65d286936a5fd0ac459a0a047e527ce55731e3 (diff) | |
Hexagon (target/hexagon) add A4_addp_c/A4_subp_c
Rdd32 = add(Rss32, Rtt32, Px4):carry
Add with carry
Rdd32 = sub(Rss32, Rtt32, Px4):carry
Sub with carry
Test cases in tests/tcg/hexagon/multi_result.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-22-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/tcg/hexagon/multi_result.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/tests/tcg/hexagon/multi_result.c b/tests/tcg/hexagon/multi_result.c index 95d99a0c90..52997b3128 100644 --- a/tests/tcg/hexagon/multi_result.c +++ b/tests/tcg/hexagon/multi_result.c @@ -85,6 +85,38 @@ static long long vminub(long long Rtt, long long Rss, return result; } +static long long add_carry(long long Rss, long long Rtt, + int pred_in, int *pred_result) +{ + long long result; + int predval = pred_in; + + asm volatile("p0 = %1\n\t" + "%0 = add(%2, %3, p0):carry\n\t" + "%1 = p0\n\t" + : "=r"(result), "+r"(predval) + : "r"(Rss), "r"(Rtt) + : "p0"); + *pred_result = predval; + return result; +} + +static long long sub_carry(long long Rss, long long Rtt, + int pred_in, int *pred_result) +{ + long long result; + int predval = pred_in; + + asm volatile("p0 = !cmp.eq(%1, #0)\n\t" + "%0 = sub(%2, %3, p0):carry\n\t" + "%1 = p0\n\t" + : "=r"(result), "+r"(predval) + : "r"(Rss), "r"(Rtt) + : "p0"); + *pred_result = predval; + return result; +} + int err; static void check_ll(long long val, long long expect) @@ -188,12 +220,62 @@ static void test_vminub() check_p(pred_result, 0xaa); } +static void test_add_carry() +{ + long long res64; + int pred_result; + + res64 = add_carry(0x0000000000000000LL, + 0xffffffffffffffffLL, + 1, &pred_result); + check_ll(res64, 0x0000000000000000LL); + check_p(pred_result, 0xff); + + res64 = add_carry(0x0000000100000000LL, + 0xffffffffffffffffLL, + 0, &pred_result); + check_ll(res64, 0x00000000ffffffffLL); + check_p(pred_result, 0xff); + + res64 = add_carry(0x0000000100000000LL, + 0xffffffffffffffffLL, + 0, &pred_result); + check_ll(res64, 0x00000000ffffffffLL); + check_p(pred_result, 0xff); +} + +static void test_sub_carry() +{ + long long res64; + int pred_result; + + res64 = sub_carry(0x0000000000000000LL, + 0x0000000000000000LL, + 1, &pred_result); + check_ll(res64, 0x0000000000000000LL); + check_p(pred_result, 0xff); + + res64 = sub_carry(0x0000000100000000LL, + 0x0000000000000000LL, + 0, &pred_result); + check_ll(res64, 0x00000000ffffffffLL); + check_p(pred_result, 0xff); + + res64 = sub_carry(0x0000000100000000LL, + 0x0000000000000000LL, + 0, &pred_result); + check_ll(res64, 0x00000000ffffffffLL); + check_p(pred_result, 0xff); +} + int main() { test_sfrecipa(); test_sfinvsqrta(); test_vacsh(); test_vminub(); + test_add_carry(); + test_sub_carry(); puts(err ? "FAIL" : "PASS"); return err; |