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authorRichard Henderson <richard.henderson@linaro.org>2023-09-20 16:30:41 +0200
committerRichard Henderson <richard.henderson@linaro.org>2023-11-06 18:49:34 -0800
commit10c9e58d5c317d8bc6a0a2b36e2f130bad6b8cea (patch)
tree3f2974306f3b34ac366138c167345c760b98c30b
parent0843563f3ef42db0ccaa1ac219439413f8083d34 (diff)
target/hppa: Implement HSUB
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--target/hppa/helper.h2
-rw-r--r--target/hppa/insns.decode4
-rw-r--r--target/hppa/op_helper.c32
-rw-r--r--target/hppa/translate.c15
4 files changed, 53 insertions, 0 deletions
diff --git a/target/hppa/helper.h b/target/hppa/helper.h
index db662f0c33..64fd1ef1ef 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 4bcfc94b1c..29b49c6cf4 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 d93801ca47..de51905428 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 dc8e37f99c..e5a3873d25 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) {