diff mbox series

[v5,01/14] Hexagon (target/hexagon) Add overrides for jumpr31 instructions

Message ID 20230131225647.25274-2-tsimpson@quicinc.com (mailing list archive)
State New, archived
Headers show
Series Hexagon: COF overrides, new generator, test/bug update | expand

Commit Message

Taylor Simpson Jan. 31, 2023, 10:56 p.m. UTC 
Add overrides for
    SL2_jumpr31            Unconditional
    SL2_jumpr31_t          Predicated true (old value)
    SL2_jumpr31_f          Predicated false (old value)
    SL2_jumpr31_tnew       Predicated true (new value)
    SL2_jumpr31_fnew       Predicated false (new value)

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
---
 target/hexagon/gen_tcg.h | 15 ++++++++++++++-
 target/hexagon/genptr.c  | 10 +++++++++-
 2 files changed, 23 insertions(+), 2 deletions(-)

Comments

Gao,Shiyuan" via Feb. 1, 2023, 12:05 p.m. UTC | #1 
> Add overrides for
>      SL2_jumpr31            Unconditional
>      SL2_jumpr31_t          Predicated true (old value)
>      SL2_jumpr31_f          Predicated false (old value)
>      SL2_jumpr31_tnew       Predicated true (new value)
>      SL2_jumpr31_fnew       Predicated false (new value)
>
> Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
> ---
>   target/hexagon/gen_tcg.h | 15 ++++++++++++++-
>   target/hexagon/genptr.c  | 10 +++++++++-
>   2 files changed, 23 insertions(+), 2 deletions(-)

Reviewed-by: Anton Johansson <anjo@rev.ng>
diff mbox series

Patch

diff --git a/target/hexagon/gen_tcg.h b/target/hexagon/gen_tcg.h
index 19697b42a5..d644e59a63 100644
--- a/target/hexagon/gen_tcg.h
+++ b/target/hexagon/gen_tcg.h
@@ -1,5 +1,5 @@ 
 /*
- *  Copyright(c) 2019-2022 Qualcomm Innovation Center, Inc. All Rights Reserved.
+ *  Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -1015,6 +1015,19 @@ 
 #define fGEN_TCG_S2_asl_r_r_sat(SHORTCODE) \
     gen_asl_r_r_sat(RdV, RsV, RtV)
 
+#define fGEN_TCG_SL2_jumpr31(SHORTCODE) \
+    gen_jumpr(ctx, hex_gpr[HEX_REG_LR])
+
+#define fGEN_TCG_SL2_jumpr31_t(SHORTCODE) \
+    gen_cond_jumpr31(ctx, TCG_COND_EQ, hex_pred[0])
+#define fGEN_TCG_SL2_jumpr31_f(SHORTCODE) \
+    gen_cond_jumpr31(ctx, TCG_COND_NE, hex_pred[0])
+
+#define fGEN_TCG_SL2_jumpr31_tnew(SHORTCODE) \
+    gen_cond_jumpr31(ctx, TCG_COND_EQ, hex_new_pred_value[0])
+#define fGEN_TCG_SL2_jumpr31_fnew(SHORTCODE) \
+    gen_cond_jumpr31(ctx, TCG_COND_NE, hex_new_pred_value[0])
+
 /* Floating point */
 #define fGEN_TCG_F2_conv_sf2df(SHORTCODE) \
     gen_helper_conv_sf2df(RddV, cpu_env, RsV)
diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c
index 90db99024f..23fb808e37 100644
--- a/target/hexagon/genptr.c
+++ b/target/hexagon/genptr.c
@@ -1,5 +1,5 @@ 
 /*
- *  Copyright(c) 2019-2022 Qualcomm Innovation Center, Inc. All Rights Reserved.
+ *  Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -593,6 +593,14 @@  static void gen_cond_jumpr(DisasContext *ctx, TCGv dst_pc,
     gen_write_new_pc_addr(ctx, dst_pc, cond, pred);
 }
 
+static void gen_cond_jumpr31(DisasContext *ctx, TCGCond cond, TCGv pred)
+{
+    TCGv LSB = tcg_temp_new();
+    tcg_gen_andi_tl(LSB, pred, 1);
+    gen_cond_jumpr(ctx, hex_gpr[HEX_REG_LR], cond, LSB);
+    tcg_temp_free(LSB);
+}
+
 static void gen_cond_jump(DisasContext *ctx, TCGCond cond, TCGv pred,
                           int pc_off)
 {