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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-09-20 16:30:41 +0200 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-11-06 18:49:34 -0800 |
| commit | 10c9e58d5c317d8bc6a0a2b36e2f130bad6b8cea (patch) | |
| tree | 3f2974306f3b34ac366138c167345c760b98c30b | |
| parent | 0843563f3ef42db0ccaa1ac219439413f8083d34 (diff) | |
| download | qemu-10c9e58d5c317d8bc6a0a2b36e2f130bad6b8cea.zip qemu-10c9e58d5c317d8bc6a0a2b36e2f130bad6b8cea.tar.gz qemu-10c9e58d5c317d8bc6a0a2b36e2f130bad6b8cea.tar.bz2 | |
target/hppa: Implement HSUB
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | target/hppa/helper.h | 2 | ||||
| -rw-r--r-- | target/hppa/insns.decode | 4 | ||||
| -rw-r--r-- | target/hppa/op_helper.c | 32 | ||||
| -rw-r--r-- | target/hppa/translate.c | 15 |
4 files changed, 53 insertions, 0 deletions
diff --git a/target/hppa/helper.h b/target/hppa/helper.h index db662f0..64fd1ef 100644 --- a/target/hppa/helper.h +++ b/target/hppa/helper.h @@ -16,6 +16,8 @@ DEF_HELPER_FLAGS_1(ldc_check, TCG_CALL_NO_RWG, void, tl) DEF_HELPER_FLAGS_2(hadd_ss, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_FLAGS_2(hadd_us, TCG_CALL_NO_RWG_SE, i64, i64, i64) +DEF_HELPER_FLAGS_2(hsub_ss, TCG_CALL_NO_RWG_SE, i64, i64, i64) +DEF_HELPER_FLAGS_2(hsub_us, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_FLAGS_4(probe, TCG_CALL_NO_WG, tl, env, tl, i32, i32) diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode index 4bcfc94..29b49c6 100644 --- a/target/hppa/insns.decode +++ b/target/hppa/insns.decode @@ -214,6 +214,10 @@ hadd 000010 ..... ..... 00000011 11 0 ..... @rrr hadd_ss 000010 ..... ..... 00000011 01 0 ..... @rrr hadd_us 000010 ..... ..... 00000011 00 0 ..... @rrr +hsub 000010 ..... ..... 00000001 11 0 ..... @rrr +hsub_ss 000010 ..... ..... 00000001 01 0 ..... @rrr +hsub_us 000010 ..... ..... 00000001 00 0 ..... @rrr + #### # Index Mem #### diff --git a/target/hppa/op_helper.c b/target/hppa/op_helper.c index d93801c..de51905 100644 --- a/target/hppa/op_helper.c +++ b/target/hppa/op_helper.c @@ -409,3 +409,35 @@ uint64_t HELPER(hadd_us)(uint64_t r1, uint64_t r2) } return ret; } + +uint64_t HELPER(hsub_ss)(uint64_t r1, uint64_t r2) +{ + uint64_t ret = 0; + + for (int i = 0; i < 64; i += 16) { + int f1 = sextract64(r1, i, 16); + int f2 = sextract64(r2, i, 16); + int fr = f1 - f2; + + fr = MIN(fr, INT16_MAX); + fr = MAX(fr, INT16_MIN); + ret = deposit64(ret, i, 16, fr); + } + return ret; +} + +uint64_t HELPER(hsub_us)(uint64_t r1, uint64_t r2) +{ + uint64_t ret = 0; + + for (int i = 0; i < 64; i += 16) { + int f1 = extract64(r1, i, 16); + int f2 = sextract64(r2, i, 16); + int fr = f1 - f2; + + fr = MIN(fr, UINT16_MAX); + fr = MAX(fr, 0); + ret = deposit64(ret, i, 16, fr); + } + return ret; +} diff --git a/target/hppa/translate.c b/target/hppa/translate.c index dc8e37f..e5a3873 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -2804,6 +2804,21 @@ static bool trans_hadd_us(DisasContext *ctx, arg_rrr *a) return do_multimedia(ctx, a, gen_helper_hadd_us); } +static bool trans_hsub(DisasContext *ctx, arg_rrr *a) +{ + return do_multimedia(ctx, a, tcg_gen_vec_sub16_i64); +} + +static bool trans_hsub_ss(DisasContext *ctx, arg_rrr *a) +{ + return do_multimedia(ctx, a, gen_helper_hsub_ss); +} + +static bool trans_hsub_us(DisasContext *ctx, arg_rrr *a) +{ + return do_multimedia(ctx, a, gen_helper_hsub_us); +} + static bool trans_ld(DisasContext *ctx, arg_ldst *a) { if (!ctx->is_pa20 && a->size > MO_32) { |