qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Huacai Chen" <chenhuacai@kernel.org>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Jiaxun Yang" <jiaxun.yang@flygoat.com>,
	"Hervé Poussineau" <hpoussin@reactos.org>,
	"Aleksandar Rikalo" <arikalo@gmail.com>,
	"Aurelien Jarno" <aurelien@aurel32.net>,
	"Richard Henderson" <richard.henderson@linaro.org>
Subject: [PATCH v2 11/16] target/mips: Have gen_addiupc() expand $pc during translation
Date: Thu, 10 Oct 2024 18:50:09 -0300	[thread overview]
Message-ID: <20241010215015.44326-12-philmd@linaro.org> (raw)
In-Reply-To: <20241010215015.44326-1-philmd@linaro.org>

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/mips/tcg/translate.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c
index 4802a6a1d87..41f25c938de 100644
--- a/target/mips/tcg/translate.c
+++ b/target/mips/tcg/translate.c
@@ -11428,20 +11428,18 @@ static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc,
 void gen_addiupc(DisasContext *ctx, int rx, int imm,
                  int is_64_bit, int extended)
 {
-    TCGv t0;
+    target_ulong npc;
 
     if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
         gen_reserved_instruction(ctx);
         return;
     }
 
-    t0 = tcg_temp_new();
-
-    tcg_gen_movi_tl(t0, pc_relative_pc(ctx));
-    tcg_gen_addi_tl(cpu_gpr[rx], t0, imm);
+    npc = pc_relative_pc(ctx) + imm;
     if (!is_64_bit) {
-        tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]);
+        npc = (int32_t)npc;
     }
+    tcg_gen_movi_tl(cpu_gpr[rx], npc);
 }
 
 static void gen_cache_operation(DisasContext *ctx, uint32_t op, int base,
-- 
2.45.2



  parent reply	other threads:[~2024-10-10 21:52 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-10 21:49 [PATCH v2 00/16] target/mips: Remove target-specific endianness knowledge Philippe Mathieu-Daudé
2024-10-10 21:49 ` [PATCH v2 01/16] target/mips: Declare mips_env_is_bigendian() in 'internal.h' Philippe Mathieu-Daudé
2024-10-13 15:51   ` Richard Henderson
2024-10-10 21:50 ` [PATCH v2 02/16] target/mips: Rename cpu_is_bigendian() -> disas_is_bigendian() Philippe Mathieu-Daudé
2024-10-13 15:52   ` Richard Henderson
2024-10-10 21:50 ` [PATCH v2 03/16] target/mips: Introduce mo_endian_env() helper Philippe Mathieu-Daudé
2024-10-13 15:52   ` Richard Henderson
2024-10-10 21:50 ` [PATCH v2 04/16] target/mips: Replace MO_TE by mo_endian_env() in get_pte() Philippe Mathieu-Daudé
2024-10-13 15:53   ` Richard Henderson
2024-10-10 21:50 ` [PATCH v2 05/16] target/mips: Convert mips16e decr_and_load/store() macros to functions Philippe Mathieu-Daudé
2024-10-10 21:50 ` [PATCH v2 06/16] target/mips: Factor mo_endian_rev() out of MXU code Philippe Mathieu-Daudé
2024-10-13 15:59   ` Richard Henderson
2024-10-10 21:50 ` [PATCH v2 07/16] target/mips: Explode MO_TExx -> MO_TE | MO_xx Philippe Mathieu-Daudé
2024-10-13 16:00   ` Richard Henderson
2024-10-10 21:50 ` [PATCH v2 08/16] target/mips: Rename unused sysemu argument of OP_LD_ATOMIC() Philippe Mathieu-Daudé
2024-10-13 16:01   ` Richard Henderson
2024-10-10 21:50 ` [PATCH v2 09/16] target/mips: Introduce mo_endian() helper Philippe Mathieu-Daudé
2024-10-13 16:01   ` Richard Henderson
2024-10-10 21:50 ` [PATCH v2 10/16] target/mips: Replace MO_TE by mo_endian() Philippe Mathieu-Daudé
2024-10-13 16:05   ` Richard Henderson
2024-10-14 22:18     ` Philippe Mathieu-Daudé
2024-10-14 23:13       ` Richard Henderson
2024-10-15 14:45         ` Philippe Mathieu-Daudé
2024-10-10 21:50 ` Philippe Mathieu-Daudé [this message]
2024-10-13 16:06   ` [PATCH v2 11/16] target/mips: Have gen_addiupc() expand $pc during translation Richard Henderson
2024-10-10 21:50 ` [PATCH v2 12/16] target/mips: Use gen_op_addr_addi() when possible Philippe Mathieu-Daudé
2024-10-13 16:11   ` Richard Henderson
2024-10-10 21:50 ` [PATCH v2 13/16] target/mips: Use tcg_constant_tl() instead of tcg_gen_movi_tl() Philippe Mathieu-Daudé
2024-10-10 21:50 ` [PATCH v2 14/16] target/mips: Expose MIPSCPU::is_big_endian property Philippe Mathieu-Daudé
2024-10-13 16:14   ` Richard Henderson
2024-10-10 21:50 ` [PATCH v2 15/16] hw/mips/cps: Set the vCPU 'cpu-big-endian' property Philippe Mathieu-Daudé
2024-10-13 16:58   ` Richard Henderson
2024-10-10 21:50 ` [PATCH v2 16/16] hw/mips: Have mips_cpu_create_with_clock() take an endianness argument Philippe Mathieu-Daudé
2024-10-13 17:00   ` 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=20241010215015.44326-12-philmd@linaro.org \
    --to=philmd@linaro.org \
    --cc=arikalo@gmail.com \
    --cc=aurelien@aurel32.net \
    --cc=chenhuacai@kernel.org \
    --cc=hpoussin@reactos.org \
    --cc=jiaxun.yang@flygoat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=richard.henderson@linaro.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).