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From: Richard Henderson <rth@twiddle.net>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, mark.cave-ayland@ilande.co.uk
Subject: [Qemu-devel] [PULL 04/24] target-sparc: Create gen_exception
Date: Tue, 12 Jul 2016 12:01:58 -0700	[thread overview]
Message-ID: <1468350138-9736-5-git-send-email-rth@twiddle.net> (raw)
In-Reply-To: <1468350138-9736-1-git-send-email-rth@twiddle.net>

This unifies quite a few duplicate code fragments.

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 target-sparc/translate.c | 75 +++++++++++++-----------------------------------
 1 file changed, 20 insertions(+), 55 deletions(-)

diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 9000e9b..4fb26e7 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -1043,6 +1043,17 @@ static inline void save_state(DisasContext *dc)
     save_npc(dc);
 }
 
+static void gen_exception(DisasContext *dc, int which)
+{
+    TCGv_i32 t;
+
+    save_state(dc);
+    t = tcg_const_i32(which);
+    gen_helper_raise_exception(cpu_env, t);
+    tcg_temp_free_i32(t);
+    dc->is_br = 1;
+}
+
 static inline void gen_mov_pc_npc(DisasContext *dc)
 {
     if (dc->npc == JUMP_PC) {
@@ -1633,28 +1644,18 @@ static inline void gen_op_fcmpeq(int fccno)
 }
 #endif
 
-static inline void gen_op_fpexception_im(int fsr_flags)
+static void gen_op_fpexception_im(DisasContext *dc, int fsr_flags)
 {
-    TCGv_i32 r_const;
-
     tcg_gen_andi_tl(cpu_fsr, cpu_fsr, FSR_FTT_NMASK);
     tcg_gen_ori_tl(cpu_fsr, cpu_fsr, fsr_flags);
-    r_const = tcg_const_i32(TT_FP_EXCP);
-    gen_helper_raise_exception(cpu_env, r_const);
-    tcg_temp_free_i32(r_const);
+    gen_exception(dc, TT_FP_EXCP);
 }
 
 static int gen_trap_ifnofpu(DisasContext *dc)
 {
 #if !defined(CONFIG_USER_ONLY)
     if (!dc->fpu_enabled) {
-        TCGv_i32 r_const;
-
-        save_state(dc);
-        r_const = tcg_const_i32(TT_NFPU_INSN);
-        gen_helper_raise_exception(cpu_env, r_const);
-        tcg_temp_free_i32(r_const);
-        dc->is_br = 1;
+        gen_exception(dc, TT_NFPU_INSN);
         return 1;
     }
 #endif
@@ -5155,63 +5156,27 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
  jmp_insn:
     goto egress;
  illegal_insn:
-    {
-        TCGv_i32 r_const;
-
-        save_state(dc);
-        r_const = tcg_const_i32(TT_ILL_INSN);
-        gen_helper_raise_exception(cpu_env, r_const);
-        tcg_temp_free_i32(r_const);
-        dc->is_br = 1;
-    }
+    gen_exception(dc, TT_ILL_INSN);
     goto egress;
  unimp_flush:
-    {
-        TCGv_i32 r_const;
-
-        save_state(dc);
-        r_const = tcg_const_i32(TT_UNIMP_FLUSH);
-        gen_helper_raise_exception(cpu_env, r_const);
-        tcg_temp_free_i32(r_const);
-        dc->is_br = 1;
-    }
+    gen_exception(dc, TT_UNIMP_FLUSH);
     goto egress;
 #if !defined(CONFIG_USER_ONLY)
  priv_insn:
-    {
-        TCGv_i32 r_const;
-
-        save_state(dc);
-        r_const = tcg_const_i32(TT_PRIV_INSN);
-        gen_helper_raise_exception(cpu_env, r_const);
-        tcg_temp_free_i32(r_const);
-        dc->is_br = 1;
-    }
+    gen_exception(dc, TT_PRIV_INSN);
     goto egress;
 #endif
  nfpu_insn:
-    save_state(dc);
-    gen_op_fpexception_im(FSR_FTT_UNIMPFPOP);
-    dc->is_br = 1;
+    gen_op_fpexception_im(dc, FSR_FTT_UNIMPFPOP);
     goto egress;
 #if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64)
  nfq_insn:
-    save_state(dc);
-    gen_op_fpexception_im(FSR_FTT_SEQ_ERROR);
-    dc->is_br = 1;
+    gen_op_fpexception_im(dc, FSR_FTT_SEQ_ERROR);
     goto egress;
 #endif
 #ifndef TARGET_SPARC64
  ncp_insn:
-    {
-        TCGv r_const;
-
-        save_state(dc);
-        r_const = tcg_const_i32(TT_NCP_INSN);
-        gen_helper_raise_exception(cpu_env, r_const);
-        tcg_temp_free(r_const);
-        dc->is_br = 1;
-    }
+    gen_exception(dc, TT_NCP_INSN);
     goto egress;
 #endif
  egress:
-- 
2.7.4

  parent reply	other threads:[~2016-07-12 19:03 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-12 19:01 [Qemu-devel] [PULL 00/24] target-sparc improvements Richard Henderson
2016-07-12 19:01 ` [Qemu-devel] [PULL 01/24] target-sparc: Mark more flags for helpers Richard Henderson
2016-07-12 19:01 ` [Qemu-devel] [PULL 02/24] target-sparc: Remove softint as a TCG global Richard Henderson
2016-07-12 19:01 ` [Qemu-devel] [PULL 03/24] target-sparc: Store mmu index in TB flags Richard Henderson
2016-07-12 19:01 ` Richard Henderson [this message]
2016-07-12 19:01 ` [Qemu-devel] [PULL 05/24] target-sparc: Unify asi handling between 32 and 64-bit Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 06/24] target-sparc: Store %asi in TB flags Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 07/24] target-sparc: Introduce get_asi Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 08/24] target-sparc: Pass TCGMemOp to gen_ld/st_asi Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 09/24] target-sparc: Import linux/arch/sparc/include/uapi/asm/asi.h Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 10/24] target-sparc: Add UA2005 defines to asi.h Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 11/24] target-sparc: Use defines from asi.h Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 12/24] target-sparc: Directly implement easy ld/st asis Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 13/24] target-sparc: Use QT0 to return results from ldda Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 14/24] target-sparc: Introduce gen_check_align Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 15/24] target-sparc: Directly implement easy ldd/std asis Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 16/24] target-sparc: Fix obvious error in ASI_M_BFILL Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 17/24] target-sparc: Pass TCGMemOp constants to helper_ld/st_asi Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 18/24] target-sparc: Directly implement easy ldf/stf asis Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 19/24] target-sparc: Directly implement block and short " Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 20/24] target-sparc: Remove helper_ldf_asi, helper_stf_asi Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 21/24] target-sparc: Use explicit writes to cpu_fsr Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 22/24] target-sparc: Use cpu_fsr in stfsr Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 23/24] target-sparc: Use cpu_loop_exit_restore from helper_check_ieee_exceptions Richard Henderson
2016-07-12 19:02 ` [Qemu-devel] [PULL 24/24] target-sparc: Elide duplicate updates to fprs Richard Henderson
2016-07-14 10:48 ` [Qemu-devel] [PULL 00/24] target-sparc improvements Peter Maydell

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