On 26/5/24 21:42, Richard Henderson wrote:
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/sparc/insns.decode | 9 +++++
target/sparc/translate.c | 82 +++++++++++++++++++++++++++++++++++++++
2 files changed, 91 insertions(+)
+static void gen_op_fpadds16s(TCGv_i32 d, TCGv_i32 src1, TCGv_i32 src2)
+{
+ TCGv_i32 t[2];
+
+ for (int i = 0; i < 2; i++) {
+ TCGv_i32 u = tcg_temp_new_i32();
+ TCGv_i32 v = tcg_temp_new_i32();
+
+ tcg_gen_sextract_i32(u, src1, i * 16, 16);
+ tcg_gen_sextract_i32(v, src2, i * 16, 16);
+ tcg_gen_add_i32(u, u, v);
+ tcg_gen_smax_i32(u, u, tcg_constant_i32(INT16_MIN));
+ tcg_gen_smin_i32(u, u, tcg_constant_i32(INT16_MAX));
+ t[i] = u;
+ }
+ tcg_gen_deposit_i32(d, t[0], t[1], 16, 16);
+}
+
+static void gen_op_fpsubs16s(TCGv_i32 d, TCGv_i32 src1, TCGv_i32 src2)
+{
+ TCGv_i32 t[2];
+
+ for (int i = 0; i < 2; i++) {
+ TCGv_i32 u = tcg_temp_new_i32();
+ TCGv_i32 v = tcg_temp_new_i32();
+
+ tcg_gen_sextract_i32(u, src1, i * 16, 16);
+ tcg_gen_sextract_i32(v, src2, i * 16, 16);
+ tcg_gen_sub_i32(u, u, v);
I wondered about passing add/sub functions as argument, but well...
+ tcg_gen_smax_i32(u, u, tcg_constant_i32(INT16_MIN));
+ tcg_gen_smin_i32(u, u, tcg_constant_i32(INT16_MAX));
+ t[i] = u;
+ }
+ tcg_gen_deposit_i32(d, t[0], t[1], 16, 16);
+}
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
