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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Richard Henderson" <richard.henderson@linaro.org>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>
Subject: [PATCH v2 32/35 1/2] target/alpha: Pass immediate value to gen_bcond_internal()
Date: Wed,  8 Nov 2023 21:52:46 +0100	[thread overview]
Message-ID: <20231108205247.83234-1-philmd@linaro.org> (raw)
In-Reply-To: <20231028194522.245170-33-richard.henderson@linaro.org>

From: Richard Henderson <richard.henderson@linaro.org>

Simplify gen_bcond() by passing an immediate value.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231028194522.245170-33-richard.henderson@linaro.org>
[PMD: Split from bigger patch, part 1/2]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/alpha/translate.c | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/target/alpha/translate.c b/target/alpha/translate.c
index 32333081d8..46efe1df7c 100644
--- a/target/alpha/translate.c
+++ b/target/alpha/translate.c
@@ -453,13 +453,13 @@ static DisasJumpType gen_bdirect(DisasContext *ctx, int ra, int32_t disp)
 }
 
 static DisasJumpType gen_bcond_internal(DisasContext *ctx, TCGCond cond,
-                                        TCGv cmp, int32_t disp)
+                                        TCGv cmp, uint64_t imm, int32_t disp)
 {
     uint64_t dest = ctx->base.pc_next + (disp << 2);
     TCGLabel *lab_true = gen_new_label();
 
     if (use_goto_tb(ctx, dest)) {
-        tcg_gen_brcondi_i64(cond, cmp, 0, lab_true);
+        tcg_gen_brcondi_i64(cond, cmp, imm, lab_true);
 
         tcg_gen_goto_tb(0);
         tcg_gen_movi_i64(cpu_pc, ctx->base.pc_next);
@@ -472,11 +472,11 @@ static DisasJumpType gen_bcond_internal(DisasContext *ctx, TCGCond cond,
 
         return DISAS_NORETURN;
     } else {
-        TCGv_i64 z = load_zero(ctx);
+        TCGv_i64 i = tcg_constant_i64(imm);
         TCGv_i64 d = tcg_constant_i64(dest);
         TCGv_i64 p = tcg_constant_i64(ctx->base.pc_next);
 
-        tcg_gen_movcond_i64(cond, cpu_pc, cmp, z, d, p);
+        tcg_gen_movcond_i64(cond, cpu_pc, cmp, i, d, p);
         return DISAS_PC_UPDATED;
     }
 }
@@ -484,15 +484,8 @@ static DisasJumpType gen_bcond_internal(DisasContext *ctx, TCGCond cond,
 static DisasJumpType gen_bcond(DisasContext *ctx, TCGCond cond, int ra,
                                int32_t disp, int mask)
 {
-    if (mask) {
-        TCGv tmp = tcg_temp_new();
-        DisasJumpType ret;
-
-        tcg_gen_andi_i64(tmp, load_gpr(ctx, ra), 1);
-        ret = gen_bcond_internal(ctx, cond, tmp, disp);
-        return ret;
-    }
-    return gen_bcond_internal(ctx, cond, load_gpr(ctx, ra), disp);
+    return gen_bcond_internal(ctx, cond, load_gpr(ctx, ra),
+                              !!mask, disp);
 }
 
 /* Fold -0.0 for comparison with COND.  */
@@ -533,7 +526,7 @@ static DisasJumpType gen_fbcond(DisasContext *ctx, TCGCond cond, int ra,
     DisasJumpType ret;
 
     gen_fold_mzero(cond, cmp_tmp, load_fpr(ctx, ra));
-    ret = gen_bcond_internal(ctx, cond, cmp_tmp, disp);
+    ret = gen_bcond_internal(ctx, cond, cmp_tmp, 0, disp);
     return ret;
 }
 
-- 
2.41.0



  reply	other threads:[~2023-11-08 20:53 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-28 19:44 [PATCH v2 00/35] tcg: Introduce TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-28 19:44 ` [PATCH v2 01/35] " Richard Henderson
2023-11-06 15:26   ` Philippe Mathieu-Daudé
2023-10-28 19:44 ` [PATCH v2 02/35] tcg/optimize: Split out arg_is_const_val Richard Henderson
2023-11-06 15:28   ` Philippe Mathieu-Daudé
2023-10-28 19:44 ` [PATCH v2 03/35] tcg/optimize: Split out do_constant_folding_cond1 Richard Henderson
2023-11-06 15:33   ` Philippe Mathieu-Daudé
2023-10-28 19:44 ` [PATCH v2 04/35] tcg/optimize: Do swap_commutative2 in do_constant_folding_cond2 Richard Henderson
2023-11-06 21:27   ` Philippe Mathieu-Daudé
2023-10-28 19:44 ` [PATCH v2 05/35] tcg/optimize: Split out arg_new_constant Richard Henderson
2023-11-06 15:34   ` Philippe Mathieu-Daudé
2023-10-28 19:44 ` [PATCH v2 06/35] tcg/optimize: Handle TCG_COND_TST{EQ,NE} Richard Henderson
2023-11-06 21:20   ` Philippe Mathieu-Daudé
2023-10-28 19:44 ` [PATCH v2 07/35] tcg: Add TCGConst argument to tcg_target_const_match Richard Henderson
2023-11-06 18:47   ` Philippe Mathieu-Daudé
2023-10-28 19:44 ` [PATCH v2 08/35] tcg/aarch64: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-28 19:44 ` [PATCH v2 09/35] tcg/aarch64: Generate TBZ, TBNZ Richard Henderson
2023-10-28 19:44 ` [PATCH v2 10/35] tcg/aarch64: Generate CBNZ for TSTNE of UINT32_MAX Richard Henderson
2023-10-28 19:44 ` [PATCH v2 11/35] tcg/arm: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-11-08 14:52   ` [PATCH v2 11/35 1/2] tcg/arm: Factor tcg_out_cmp() out Philippe Mathieu-Daudé
2023-11-08 14:52   ` [PATCH v2 11/35 2/2] tcg/arm: Support TCG_COND_TST{EQ,NE} Philippe Mathieu-Daudé
2023-11-08 17:59     ` Philippe Mathieu-Daudé
2023-10-28 19:44 ` [PATCH v2 12/35] tcg/i386: Pass x86 condition codes to tcg_out_cmov Richard Henderson
2023-11-06 20:55   ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 13/35] tcg/i386: Move tcg_cond_to_jcc[] into tcg_out_cmp Richard Henderson
2023-11-06 19:46   ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 14/35] tcg/i386: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-11-08 18:16   ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 15/35] tcg/i386: Improve TSTNE/TESTEQ vs powers of two Richard Henderson
2023-10-28 19:45 ` [PATCH v2 16/35] tcg/loongarch64: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-11-17  7:48   ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 17/35] tcg/mips: " Richard Henderson
2023-11-17  7:46   ` Philippe Mathieu-Daudé
2023-11-17 16:36     ` Richard Henderson
2023-12-13 14:06       ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 18/35] tcg/riscv: " Richard Henderson
2023-11-06 20:59   ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 19/35] tcg/sparc64: Implement tcg_out_extrl_i64_i32 Richard Henderson
2023-11-06 15:05   ` Philippe Mathieu-Daudé
2023-11-06 18:07     ` Richard Henderson
2023-10-28 19:45 ` [PATCH v2 20/35] tcg/sparc64: Hoist read of tcg_cond_to_rcond Richard Henderson
2023-11-06 21:02   ` Philippe Mathieu-Daudé
2023-11-08 20:57     ` Richard Henderson
2023-11-09  8:35       ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 21/35] tcg/sparc64: Pass TCGCond to tcg_out_cmp Richard Henderson
2023-11-09 11:29   ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 22/35] tcg/sparc64: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-11-06 21:07   ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 23/35] tcg/ppc: Sink tcg_to_bc usage into tcg_out_bc Richard Henderson
2023-11-06 18:54   ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 24/35] tcg/ppc: Use cr0 in tcg_to_bc and tcg_to_isel Richard Henderson
2023-10-28 19:45 ` [PATCH v2 25/35] tcg/ppc: Tidy up tcg_target_const_match Richard Henderson
2023-11-06 21:08   ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 26/35] tcg/ppc: Add TCG_CT_CONST_CMP Richard Henderson
2023-10-28 19:45 ` [PATCH v2 27/35] tcg/ppc: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-11-08 20:40   ` Philippe Mathieu-Daudé
2023-11-08 21:27     ` Richard Henderson
2023-11-09  8:42   ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 28/35] tcg/s390x: Split constraint A into J+U Richard Henderson
2023-10-28 19:45 ` [PATCH v2 29/35] tcg/s390x: Add TCG_CT_CONST_CMP Richard Henderson
2023-10-28 19:45 ` [PATCH v2 30/35] tcg/s390x: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-28 19:45 ` [PATCH v2 31/35] tcg/tci: " Richard Henderson
2023-11-06 18:48   ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 32/35] target/alpha: Use TCG_COND_TST{EQ,NE} for BLB{C,S} Richard Henderson
2023-11-08 20:52   ` Philippe Mathieu-Daudé [this message]
2023-11-08 20:55     ` [PATCH v2 32/35 1/2] target/alpha: Pass immediate value to gen_bcond_internal() Philippe Mathieu-Daudé
2023-11-08 20:52   ` [PATCH v2 32/35 2/2] target/alpha: Use TCG_COND_TST{EQ, NE} for BLB{C, S} Philippe Mathieu-Daudé
2023-11-08 20:56   ` [PATCH v2 32/35] target/alpha: Use TCG_COND_TST{EQ,NE} for BLB{C,S} Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 33/35] target/alpha: Use TCG_COND_TST{EQ, NE} for CMOVLB{C, S} Richard Henderson
2023-11-08 20:54   ` [PATCH v2 33/35] target/alpha: Use TCG_COND_TST{EQ,NE} for CMOVLB{C,S} Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 34/35] target/alpha: Use TCG_COND_TSTNE for gen_fold_mzero Richard Henderson
2023-11-08 21:03   ` Philippe Mathieu-Daudé
2023-10-28 19:45 ` [PATCH v2 35/35] target/m68k: Use TCG_COND_TST{EQ, NE} in gen_fcc_cond Richard Henderson
2023-11-02 22:17 ` [PATCH v2 00/35] tcg: Introduce TCG_COND_TST{EQ,NE} Richard Henderson
2024-01-06 17:43 ` Paolo Bonzini
2024-01-08 21:45   ` Richard Henderson
2024-01-08 22:55     ` Paolo Bonzini
2024-01-09  8:36       ` Richard Henderson

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