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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: philmd@linaro.org, pbonzini@redhat.com
Subject: [PATCH v3 08/38] target/alpha: Pass immediate value to gen_bcond_internal()
Date: Thu, 11 Jan 2024 09:43:38 +1100	[thread overview]
Message-ID: <20240110224408.10444-9-richard.henderson@linaro.org> (raw)
In-Reply-To: <20240110224408.10444-1-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>
Message-Id: <20231108205247.83234-1-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..89e630a7cc 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;
 }
 
-- 
2.34.1



  parent reply	other threads:[~2024-01-10 22:48 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-10 22:43 [PATCH v3 00/38] tcg: Introduce TCG_COND_TST{EQ,NE} Richard Henderson
2024-01-10 22:43 ` [PATCH v3 01/38] " Richard Henderson
2024-01-10 22:43 ` [PATCH v3 02/38] tcg: Introduce TCG_TARGET_HAS_tst Richard Henderson
2024-01-16 21:42   ` Philippe Mathieu-Daudé
2024-01-10 22:43 ` [PATCH v3 03/38] tcg/optimize: Split out arg_is_const_val Richard Henderson
2024-01-10 22:43 ` [PATCH v3 04/38] tcg/optimize: Split out do_constant_folding_cond1 Richard Henderson
2024-01-10 22:43 ` [PATCH v3 05/38] tcg/optimize: Do swap_commutative2 in do_constant_folding_cond2 Richard Henderson
2024-01-10 22:43 ` [PATCH v3 06/38] tcg/optimize: Handle TCG_COND_TST{EQ,NE} Richard Henderson
2024-01-10 22:43 ` [PATCH v3 07/38] tcg/optimize: Lower TCG_COND_TST{EQ, NE} if unsupported Richard Henderson
2024-01-16 22:02   ` [PATCH v3 07/38] tcg/optimize: Lower TCG_COND_TST{EQ,NE} " Philippe Mathieu-Daudé
2024-01-10 22:43 ` Richard Henderson [this message]
2024-01-16 22:02   ` [PATCH v3 08/38] target/alpha: Pass immediate value to gen_bcond_internal() Philippe Mathieu-Daudé
2024-01-10 22:43 ` [PATCH v3 09/38] target/alpha: Use TCG_COND_TST{EQ,NE} for BLB{C,S} Richard Henderson
2024-01-16 22:03   ` Philippe Mathieu-Daudé
2024-01-10 22:43 ` [PATCH v3 10/38] target/alpha: Use TCG_COND_TST{EQ, NE} for CMOVLB{C, S} Richard Henderson
2024-01-10 22:43 ` [PATCH v3 11/38] target/alpha: Use TCG_COND_TSTNE for gen_fold_mzero Richard Henderson
2024-01-10 22:43 ` [PATCH v3 12/38] target/m68k: Use TCG_COND_TST{EQ, NE} in gen_fcc_cond Richard Henderson
2024-01-16 22:06   ` [PATCH v3 12/38] target/m68k: Use TCG_COND_TST{EQ,NE} " Philippe Mathieu-Daudé
2024-01-10 22:43 ` [PATCH v3 13/38] target/sparc: Use TCG_COND_TSTEQ in gen_op_mulscc Richard Henderson
2024-01-16 21:44   ` Philippe Mathieu-Daudé
2024-01-10 22:43 ` [PATCH v3 14/38] target/s390x: Use TCG_COND_TSTNE for CC_OP_{TM,ICM} Richard Henderson
2024-01-19 21:59   ` Philippe Mathieu-Daudé
2024-01-10 22:43 ` [PATCH v3 15/38] target/s390x: Improve general case of disas_jcc Richard Henderson
2024-01-16 22:19   ` Philippe Mathieu-Daudé
2024-01-17  3:19     ` Richard Henderson
2024-01-19 23:27       ` Philippe Mathieu-Daudé
2024-01-19 23:22   ` [PATCH v3 15/38 1/6] target/s390x: Reorder CC_OP_STATIC switch case in disas_jcc (1/5) Philippe Mathieu-Daudé
2024-01-19 23:22   ` [PATCH v3 15/38 2/6] target/s390x: Reorder CC_OP_STATIC switch case in disas_jcc (2/5) Philippe Mathieu-Daudé
2024-01-19 23:22   ` [PATCH v3 15/38 3/6] target/s390x: Reorder CC_OP_STATIC switch case in disas_jcc (3/5) Philippe Mathieu-Daudé
2024-01-19 23:23   ` [PATCH v3 15/38 4/6] target/s390x: Reorder CC_OP_STATIC switch case in disas_jcc (4/5) Philippe Mathieu-Daudé
2024-01-19 23:23   ` [PATCH v3 15/38 5/6] target/s390x: Reorder CC_OP_STATIC switch case in disas_jcc (5/5) Philippe Mathieu-Daudé
2024-01-19 23:23   ` [PATCH v3 15/38 6/6] target/s390x: Improve general case of disas_jcc Philippe Mathieu-Daudé
2024-01-19 23:27     ` Philippe Mathieu-Daudé
2024-01-22 21:38     ` Ilya Leoshkevich
2024-01-10 22:43 ` [PATCH v3 16/38] tcg: Add TCGConst argument to tcg_target_const_match Richard Henderson
2024-01-10 22:43 ` [PATCH v3 17/38] tcg/aarch64: Support TCG_COND_TST{EQ,NE} Richard Henderson
2024-01-19 22:09   ` Philippe Mathieu-Daudé
2024-01-10 22:43 ` [PATCH v3 18/38] tcg/aarch64: Generate TBZ, TBNZ Richard Henderson
2024-01-19 22:47   ` [PATCH v3 18/38 1/2] tcg/aarch64: Massage tcg_out_brcond() Philippe Mathieu-Daudé
2024-01-19 22:47   ` [PATCH v3 18/38 2/2] tcg/aarch64: Generate TBZ, TBNZ Philippe Mathieu-Daudé
2024-01-10 22:43 ` [PATCH v3 19/38] tcg/aarch64: Generate CBNZ for TSTNE of UINT32_MAX Richard Henderson
2024-01-22 14:20   ` Philippe Mathieu-Daudé
2024-01-10 22:43 ` [PATCH v3 20/38] tcg/arm: Factor tcg_out_cmp() out Richard Henderson
2024-01-16 22:22   ` Philippe Mathieu-Daudé
2024-01-10 22:43 ` [PATCH v3 21/38] tcg/arm: Support TCG_COND_TST{EQ,NE} Richard Henderson
2024-01-16 22:26   ` Philippe Mathieu-Daudé
2024-01-10 22:43 ` [PATCH v3 22/38] tcg/i386: Pass x86 condition codes to tcg_out_cmov Richard Henderson
2024-01-10 22:43 ` [PATCH v3 23/38] tcg/i386: Move tcg_cond_to_jcc[] into tcg_out_cmp Richard Henderson
2024-01-10 22:43 ` [PATCH v3 24/38] tcg/i386: Support TCG_COND_TST{EQ,NE} Richard Henderson
2024-01-10 22:43 ` [PATCH v3 25/38] tcg/i386: Improve TSTNE/TESTEQ vs powers of two Richard Henderson
2024-01-10 22:43 ` [PATCH v3 26/38] tcg/i386: Use TEST r,r to test 8/16/32 bits Richard Henderson
2024-01-20 11:02   ` Philippe Mathieu-Daudé
2024-01-10 22:43 ` [PATCH v3 27/38] tcg/sparc64: Hoist read of tcg_cond_to_rcond Richard Henderson
2024-01-10 22:43 ` [PATCH v3 28/38] tcg/sparc64: Pass TCGCond to tcg_out_cmp Richard Henderson
2024-01-10 22:43 ` [PATCH v3 29/38] tcg/sparc64: Support TCG_COND_TST{EQ,NE} Richard Henderson
2024-01-10 22:44 ` [PATCH v3 30/38] tcg/ppc: Sink tcg_to_bc usage into tcg_out_bc Richard Henderson
2024-01-10 22:44 ` [PATCH v3 31/38] tcg/ppc: Use cr0 in tcg_to_bc and tcg_to_isel Richard Henderson
2024-01-16 21:51   ` Philippe Mathieu-Daudé
2024-01-10 22:44 ` [PATCH v3 32/38] tcg/ppc: Tidy up tcg_target_const_match Richard Henderson
2024-01-10 22:44 ` [PATCH v3 33/38] tcg/ppc: Add TCG_CT_CONST_CMP Richard Henderson
2024-01-19 22:12   ` Philippe Mathieu-Daudé
2024-01-10 22:44 ` [PATCH v3 34/38] tcg/ppc: Support TCG_COND_TST{EQ,NE} Richard Henderson
2024-01-19 22:20   ` Philippe Mathieu-Daudé
2024-01-10 22:44 ` [PATCH v3 35/38] tcg/s390x: Split constraint A into J+U Richard Henderson
2024-01-16 21:55   ` Philippe Mathieu-Daudé
2024-01-10 22:44 ` [PATCH v3 36/38] tcg/s390x: Add TCG_CT_CONST_CMP Richard Henderson
2024-01-16 21:57   ` Philippe Mathieu-Daudé
2024-01-10 22:44 ` [PATCH v3 37/38] tcg/s390x: Support TCG_COND_TST{EQ,NE} Richard Henderson
2024-01-23  5:36   ` Philippe Mathieu-Daudé
2024-01-10 22:44 ` [PATCH v3 38/38] tcg/tci: " Richard Henderson

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