qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: mark.cave-ayland@ilande.co.uk
Subject: [PATCH v5 18/94] target/sparc: Merge gen_branch_[an] with only caller
Date: Sun, 22 Oct 2023 16:28:16 -0700	[thread overview]
Message-ID: <20231022232932.80507-19-richard.henderson@linaro.org> (raw)
In-Reply-To: <20231022232932.80507-1-richard.henderson@linaro.org>

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/sparc/translate.c | 73 +++++++++++++++++-----------------------
 1 file changed, 30 insertions(+), 43 deletions(-)

diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index b8d51d6d64..503598ed93 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -900,47 +900,6 @@ static void gen_branch2(DisasContext *dc, target_ulong pc1,
     gen_goto_tb(dc, 1, pc2, pc2 + 4);
 }
 
-static void gen_branch_a(DisasContext *dc, target_ulong pc1)
-{
-    TCGLabel *l1 = gen_new_label();
-    target_ulong npc = dc->npc;
-
-    tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cond, 0, l1);
-
-    gen_goto_tb(dc, 0, npc, pc1);
-
-    gen_set_label(l1);
-    gen_goto_tb(dc, 1, npc + 4, npc + 8);
-
-    dc->base.is_jmp = DISAS_NORETURN;
-}
-
-static void gen_branch_n(DisasContext *dc, target_ulong pc1)
-{
-    target_ulong npc = dc->npc;
-
-    if (npc & 3) {
-        switch (npc) {
-        case DYNAMIC_PC:
-        case DYNAMIC_PC_LOOKUP:
-            tcg_gen_mov_tl(cpu_pc, cpu_npc);
-            tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
-            tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc,
-                               cpu_cond, tcg_constant_tl(0),
-                               tcg_constant_tl(pc1), cpu_npc);
-            dc->pc = npc;
-            break;
-        default:
-            g_assert_not_reached();
-        }
-    } else {
-        dc->pc = npc;
-        dc->jump_pc[0] = pc1;
-        dc->jump_pc[1] = npc + 4;
-        dc->npc = JUMP_PC;
-    }
-}
-
 static void gen_generic_branch(DisasContext *dc)
 {
     TCGv npc0 = tcg_constant_tl(dc->jump_pc[0]);
@@ -2942,10 +2901,38 @@ static bool advance_jump_uncond_always(DisasContext *dc, bool annul,
 
 static bool advance_jump_cond(DisasContext *dc, bool annul, target_ulong dest)
 {
+    target_ulong npc = dc->npc;
+
     if (annul) {
-        gen_branch_a(dc, dest);
+        TCGLabel *l1 = gen_new_label();
+
+        tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cond, 0, l1);
+        gen_goto_tb(dc, 0, npc, dest);
+        gen_set_label(l1);
+        gen_goto_tb(dc, 1, npc + 4, npc + 8);
+
+        dc->base.is_jmp = DISAS_NORETURN;
     } else {
-        gen_branch_n(dc, dest);
+        if (npc & 3) {
+            switch (npc) {
+            case DYNAMIC_PC:
+            case DYNAMIC_PC_LOOKUP:
+                tcg_gen_mov_tl(cpu_pc, cpu_npc);
+                tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
+                tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc,
+                                   cpu_cond, tcg_constant_tl(0),
+                                   tcg_constant_tl(dest), cpu_npc);
+                dc->pc = npc;
+                break;
+            default:
+                g_assert_not_reached();
+            }
+        } else {
+            dc->pc = npc;
+            dc->jump_pc[0] = dest;
+            dc->jump_pc[1] = npc + 4;
+            dc->npc = JUMP_PC;
+        }
     }
     return true;
 }
-- 
2.34.1



  parent reply	other threads:[~2023-10-22 23:32 UTC|newest]

Thread overview: 97+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-22 23:27 [PATCH v5 00/94] target/sparc: Convert to decodetree Richard Henderson
2023-10-22 23:27 ` [PATCH v5 01/94] target/sparc: Clear may_lookup for npc == DYNAMIC_PC Richard Henderson
2023-10-22 23:28 ` [PATCH v5 02/94] target/sparc: Implement check_align inline Richard Henderson
2023-10-22 23:28 ` [PATCH v5 03/94] target/sparc: Avoid helper_raise_exception in helper_st_asi Richard Henderson
2023-10-22 23:28 ` [PATCH v5 04/94] target/sparc: Set TCG_GUEST_DEFAULT_MO Richard Henderson
2023-10-22 23:28 ` [PATCH v5 05/94] configs: Enable MTTCG for sparc, sparc64 Richard Henderson
2023-10-22 23:28 ` [PATCH v5 06/94] target/sparc: Define features via cpu-feature.h.inc Richard Henderson
2023-10-22 23:28 ` [PATCH v5 07/94] target/sparc: Use CPU_FEATURE_BIT_* for cpu properties Richard Henderson
2023-10-22 23:28 ` [PATCH v5 08/94] target/sparc: Remove sparcv7 cpu features Richard Henderson
2023-10-22 23:28 ` [PATCH v5 09/94] target/sparc: Partition " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 10/94] target/sparc: Add decodetree infrastructure Richard Henderson
2023-10-22 23:28 ` [PATCH v5 11/94] target/sparc: Define AM_CHECK for sparc32 Richard Henderson
2023-10-22 23:28 ` [PATCH v5 12/94] target/sparc: Move CALL to decodetree Richard Henderson
2023-10-22 23:28 ` [PATCH v5 13/94] target/sparc: Move BPcc and Bicc " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 14/94] target/sparc: Move BPr " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 15/94] target/sparc: Move FBPfcc and FBfcc " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 16/94] target/sparc: Merge gen_cond with only caller Richard Henderson
2023-10-22 23:28 ` [PATCH v5 17/94] target/sparc: Merge gen_fcond " Richard Henderson
2023-10-22 23:28 ` Richard Henderson [this message]
2023-10-22 23:28 ` [PATCH v5 19/94] target/sparc: Pass DisasCompare to advance_jump_cond Richard Henderson
2023-10-22 23:28 ` [PATCH v5 20/94] target/sparc: Move SETHI to decodetree Richard Henderson
2023-10-22 23:28 ` [PATCH v5 21/94] target/sparc: Move Tcc " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 22/94] target/sparc: Move RDASR, STBAR, MEMBAR " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 23/94] target/sparc: Move RDPSR, RDHPR " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 24/94] target/sparc: Move RDWIM, RDPR " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 25/94] target/sparc: Move RDTBR, FLUSHW " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 26/94] target/sparc: Move WRASR " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 27/94] target/sparc: Move WRPSR, SAVED, RESTORED " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 28/94] target/sparc: Move WRWIM, WRPR " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 29/94] target/sparc: Move WRTBR, WRHPR " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 30/94] target/sparc: Remove cpu_wim Richard Henderson
2023-10-22 23:28 ` [PATCH v5 31/94] target/sparc: Remove cpu_tick_cmpr, cpu_stick_cmpr, cpu_hstick_cmpr Richard Henderson
2023-10-22 23:28 ` [PATCH v5 32/94] target/sparc: Remove cpu_hintp, cpu_htba, cpu_hver, cpu_ssr, cpu_ver Richard Henderson
2023-10-22 23:28 ` [PATCH v5 33/94] target/sparc: Move basic arithmetic to decodetree Richard Henderson
2023-10-22 23:28 ` [PATCH v5 34/94] target/sparc: Move ADDC " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 35/94] target/sparc: Move MULX " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 36/94] target/sparc: Move UMUL, SMUL " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 37/94] target/sparc: Move SUBC " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 38/94] target/sparc: Move UDIVX, SDIVX " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 39/94] target/sparc: Move UDIV, SDIV " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 40/94] target/sparc: Move TADD, TSUB, MULS " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 41/94] target/sparc: Move SLL, SRL, SRA " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 42/94] target/sparc: Move MOVcc, MOVR " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 43/94] target/sparc: Move POPC " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 44/94] target/sparc: Convert remaining v8 coproc insns " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 45/94] target/sparc: Move JMPL, RETT, RETURN " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 46/94] target/sparc: Move FLUSH, SAVE, RESTORE " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 47/94] target/sparc: Move DONE, RETRY " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 48/94] target/sparc: Split out resolve_asi Richard Henderson
2023-10-22 23:28 ` [PATCH v5 49/94] target/sparc: Drop ifdef around get_asi and friends Richard Henderson
2023-10-22 23:28 ` [PATCH v5 50/94] target/sparc: Split out ldst functions with asi pre-computed Richard Henderson
2023-10-22 23:28 ` [PATCH v5 51/94] target/sparc: Use tcg_gen_qemu_{ld, st}_i128 for GET_ASI_DTWINX Richard Henderson
2023-10-22 23:28 ` [PATCH v5 52/94] target/sparc: Move simple integer load/store to decodetree Richard Henderson
2023-10-22 23:28 ` [PATCH v5 53/94] target/sparc: Move asi " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 54/94] target/sparc: Move LDSTUB, LDSTUBA " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 55/94] target/sparc: Move SWAP, SWAPA " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 56/94] target/sparc: Move CASA, CASXA " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 57/94] target/sparc: Move PREFETCH, PREFETCHA " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 58/94] target/sparc: Split out fp ldst functions with asi precomputed Richard Henderson
2023-10-22 23:28 ` [PATCH v5 59/94] target/sparc: Move simple fp load/store to decodetree Richard Henderson
2023-10-22 23:28 ` [PATCH v5 60/94] target/sparc: Move asi " Richard Henderson
2023-10-22 23:28 ` [PATCH v5 61/94] target/sparc: Move LDFSR, STFSR " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 62/94] target/sparc: Merge LDFSR, LDXFSR implementations Richard Henderson
2023-10-22 23:29 ` [PATCH v5 63/94] target/sparc: Move EDGE* to decodetree Richard Henderson
2023-10-22 23:29 ` [PATCH v5 64/94] target/sparc: Move ARRAY* " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 65/94] target/sparc: Move ADDRALIGN* " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 66/94] target/sparc: Move BMASK " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 67/94] target/sparc: Move FMOVS, FNEGS, FABSS, FSRC*S, FNOT*S " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 68/94] target/sparc: Move FMOVD, FNEGD, FABSD, FSRC*D, FNOT*D " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 69/94] target/sparc: Use tcg_gen_vec_{add,sub}* Richard Henderson
2023-10-22 23:29 ` [PATCH v5 70/94] target/sparc: Move gen_ne_fop_FFF insns to decodetree Richard Henderson
2023-10-22 23:29 ` [PATCH v5 71/94] target/sparc: Move gen_ne_fop_DDD " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 72/94] target/sparc: Move PDIST " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 73/94] target/sparc: Move gen_gsr_fop_DDD insns " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 74/94] target/sparc: Move gen_fop_FF " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 75/94] target/sparc: Move gen_fop_DD " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 76/94] target/sparc: Move FSQRTq " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 77/94] target/sparc: Move gen_fop_FFF insns " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 78/94] target/sparc: Move gen_fop_DDD " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 79/94] target/sparc: Move gen_fop_QQQ " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 80/94] target/sparc: Move FSMULD " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 81/94] target/sparc: Move FDMULQ " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 82/94] target/sparc: Move gen_fop_FD insns " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 83/94] target/sparc: Move FiTOd, FsTOd, FsTOx " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 84/94] target/sparc: Move FqTOs, FqTOi " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 85/94] target/sparc: Move FqTOd, FqTOx " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 86/94] target/sparc: Move FiTOq, FsTOq " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 87/94] target/sparc: Move FdTOq, FxTOq " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 88/94] target/sparc: Move FMOVq, FNEGq, FABSq " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 89/94] target/sparc: Move FMOVR, FMOVcc, FMOVfcc " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 90/94] target/sparc: Convert FCMP, FCMPE " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 91/94] target/sparc: Move FPCMP* " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 92/94] target/sparc: Move FPACK16, FPACKFIX " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 93/94] target/sparc: Convert FZERO, FONE " Richard Henderson
2023-10-22 23:29 ` [PATCH v5 94/94] target/sparc: Remove disas_sparc_legacy Richard Henderson
2023-10-23 18:04 ` [PATCH v5 00/94] target/sparc: Convert to decodetree Mark Cave-Ayland
2023-10-23 22:41   ` Richard Henderson

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20231022232932.80507-19-richard.henderson@linaro.org \
    --to=richard.henderson@linaro.org \
    --cc=mark.cave-ayland@ilande.co.uk \
    --cc=qemu-devel@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).