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From: "Víctor Colombo" <victor.colombo@eldorado.org.br>
To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org
Cc: clg@kaod.org, danielhb413@gmail.com, david@gibson.dropbear.id.au,
	groug@kaod.org, richard.henderson@linaro.org,
	victor.colombo@eldorado.org.br, matheus.ferst@eldorado.org.br,
	lucas.araujo@eldorado.org.br, leandro.lupori@eldorado.org.br,
	lucas.coutinho@eldorado.org.br
Subject: [PATCH 2/3] target/ppc: Move fsqrts to decodetree
Date: Mon,  5 Sep 2022 09:37:45 -0300	[thread overview]
Message-ID: <20220905123746.54659-3-victor.colombo@eldorado.org.br> (raw)
In-Reply-To: <20220905123746.54659-1-victor.colombo@eldorado.org.br>

Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
---
 target/ppc/insn32.decode           |  1 +
 target/ppc/translate/fp-impl.c.inc | 23 +----------------------
 target/ppc/translate/fp-ops.c.inc  |  1 -
 3 files changed, 2 insertions(+), 23 deletions(-)

diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index b55d1550f3..7eb808a43f 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -359,6 +359,7 @@ STFDUX          011111 ..... ...... .... 1011110111 -   @X
 ### Floating-Point Arithmetic Instructions
 
 FSQRT           111111 ..... ----- ..... ----- 10110 .  @A_tb
+FSQRTS          111011 ..... ----- ..... ----- 10110 .  @A_tb
 
 ### Floating-Point Select Instruction
 
diff --git a/target/ppc/translate/fp-impl.c.inc b/target/ppc/translate/fp-impl.c.inc
index e8359af005..7a90c0e350 100644
--- a/target/ppc/translate/fp-impl.c.inc
+++ b/target/ppc/translate/fp-impl.c.inc
@@ -281,28 +281,7 @@ static bool do_helper_fsqrt(DisasContext *ctx, arg_A_tb *a,
 }
 
 TRANS(FSQRT, do_helper_fsqrt, gen_helper_fsqrt);
-
-static void gen_fsqrts(DisasContext *ctx)
-{
-    TCGv_i64 t0;
-    TCGv_i64 t1;
-    if (unlikely(!ctx->fpu_enabled)) {
-        gen_exception(ctx, POWERPC_EXCP_FPU);
-        return;
-    }
-    t0 = tcg_temp_new_i64();
-    t1 = tcg_temp_new_i64();
-    gen_reset_fpstatus();
-    get_fpr(t0, rB(ctx->opcode));
-    gen_helper_fsqrts(t1, cpu_env, t0);
-    set_fpr(rD(ctx->opcode), t1);
-    gen_compute_fprf_float64(t1);
-    if (unlikely(Rc(ctx->opcode) != 0)) {
-        gen_set_cr1_from_fpscr(ctx);
-    }
-    tcg_temp_free_i64(t0);
-    tcg_temp_free_i64(t1);
-}
+TRANS(FSQRTS, do_helper_fsqrt, gen_helper_fsqrts);
 
 /***                     Floating-Point multiply-and-add                   ***/
 /* fmadd - fmadds */
diff --git a/target/ppc/translate/fp-ops.c.inc b/target/ppc/translate/fp-ops.c.inc
index 38759f5939..d4c6c4bed1 100644
--- a/target/ppc/translate/fp-ops.c.inc
+++ b/target/ppc/translate/fp-ops.c.inc
@@ -62,7 +62,6 @@ GEN_HANDLER_E(stfdepx, 0x1F, 0x1F, 0x16, 0x00000001, PPC_NONE, PPC2_BOOKE206),
 GEN_HANDLER_E(stfdpx, 0x1F, 0x17, 0x1C, 0x00200001, PPC_NONE, PPC2_ISA205),
 
 GEN_HANDLER(frsqrtes, 0x3B, 0x1A, 0xFF, 0x001F07C0, PPC_FLOAT_FRSQRTES),
-GEN_HANDLER(fsqrts, 0x3B, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_FSQRT),
 GEN_HANDLER(fcmpo, 0x3F, 0x00, 0x01, 0x00600001, PPC_FLOAT),
 GEN_HANDLER(fcmpu, 0x3F, 0x00, 0x00, 0x00600001, PPC_FLOAT),
 GEN_HANDLER(fabs, 0x3F, 0x08, 0x08, 0x001F0000, PPC_FLOAT),
-- 
2.25.1



  parent reply	other threads:[~2022-09-05 12:50 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-05 12:37 [PATCH 0/3] target/ppc: Move fsqrt[s] to decodetree Víctor Colombo
2022-09-05 12:37 ` [PATCH 1/3] target/ppc: Move fsqrt " Víctor Colombo
2022-09-05 15:48   ` Richard Henderson
2022-09-05 12:37 ` Víctor Colombo [this message]
2022-09-05 15:55   ` [PATCH 2/3] target/ppc: Move fsqrts " Richard Henderson
2022-09-05 12:37 ` [PATCH 3/3] target/ppc: Merge fsqrt and fsqrts helpers Víctor Colombo
2022-09-05 15:56   ` Richard Henderson
2022-09-05 16:19     ` Víctor Colombo
2022-09-05 16:21       ` Richard Henderson
2022-09-05 16:31         ` Víctor Colombo
2022-09-05 17:20           ` Richard Henderson
2022-09-06 14:22             ` Víctor Colombo
2022-09-08  7:52               ` Richard Henderson
2022-09-06 20:07 ` [PATCH 0/3] target/ppc: Move fsqrt[s] to decodetree Daniel Henrique Barboza

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