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From: Laurent Vivier <laurent@vivier.eu>
To: qemu-devel@nongnu.org
Cc: schwab@linux-m68k.org, agraf@suse.de,
	Richard Henderson <rth@twiddle.net>,
	gerg@uclinux.org, Laurent Vivier <laurent@vivier.eu>
Subject: [Qemu-devel] [PULL 11/23] target-m68k: Replace helper_xflag_lt with setcond
Date: Tue, 25 Oct 2016 21:03:07 +0200	[thread overview]
Message-ID: <1477422199-11208-12-git-send-email-laurent@vivier.eu> (raw)
In-Reply-To: <1477422199-11208-1-git-send-email-laurent@vivier.eu>

From: Richard Henderson <rth@twiddle.net>

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 target-m68k/helper.c    |  5 -----
 target-m68k/helper.h    |  1 -
 target-m68k/translate.c | 14 +++++++-------
 3 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/target-m68k/helper.c b/target-m68k/helper.c
index 4fe36b8..dc55a7a 100644
--- a/target-m68k/helper.c
+++ b/target-m68k/helper.c
@@ -464,11 +464,6 @@ uint32_t HELPER(addx_cc)(CPUM68KState *env, uint32_t op1, uint32_t op2)
     return res;
 }
 
-uint32_t HELPER(xflag_lt)(uint32_t a, uint32_t b)
-{
-    return a < b;
-}
-
 void HELPER(set_sr)(CPUM68KState *env, uint32_t val)
 {
     env->sr = val & 0xffff;
diff --git a/target-m68k/helper.h b/target-m68k/helper.h
index f4e5fdf..c24ace5 100644
--- a/target-m68k/helper.h
+++ b/target-m68k/helper.h
@@ -8,7 +8,6 @@ DEF_HELPER_3(subx_cc, i32, env, i32, i32)
 DEF_HELPER_3(shl_cc, i32, env, i32, i32)
 DEF_HELPER_3(shr_cc, i32, env, i32, i32)
 DEF_HELPER_3(sar_cc, i32, env, i32, i32)
-DEF_HELPER_2(xflag_lt, i32, i32, i32)
 DEF_HELPER_2(set_sr, void, env, i32)
 DEF_HELPER_3(movec, void, env, i32, i32)
 
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index e2f176e..650c141 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -1032,10 +1032,10 @@ DISAS_INSN(addsub)
     }
     if (add) {
         tcg_gen_add_i32(dest, tmp, src);
-        gen_helper_xflag_lt(QREG_CC_X, dest, src);
+        tcg_gen_setcond_i32(TCG_COND_LTU, QREG_CC_X, dest, src);
         s->cc_op = CC_OP_ADD;
     } else {
-        gen_helper_xflag_lt(QREG_CC_X, tmp, src);
+        tcg_gen_setcond_i32(TCG_COND_LTU, QREG_CC_X, tmp, src);
         tcg_gen_sub_i32(dest, tmp, src);
         s->cc_op = CC_OP_SUB;
     }
@@ -1248,7 +1248,7 @@ DISAS_INSN(arith_im)
         break;
     case 2: /* subi */
         tcg_gen_mov_i32(dest, src1);
-        gen_helper_xflag_lt(QREG_CC_X, dest, tcg_const_i32(im));
+        tcg_gen_setcond_i32(TCG_COND_LTU, QREG_CC_X, dest, tcg_const_i32(im));
         tcg_gen_subi_i32(dest, dest, im);
         gen_update_cc_add(dest, tcg_const_i32(im));
         s->cc_op = CC_OP_SUB;
@@ -1257,7 +1257,7 @@ DISAS_INSN(arith_im)
         tcg_gen_mov_i32(dest, src1);
         tcg_gen_addi_i32(dest, dest, im);
         gen_update_cc_add(dest, tcg_const_i32(im));
-        gen_helper_xflag_lt(QREG_CC_X, dest, tcg_const_i32(im));
+        tcg_gen_setcond_i32(TCG_COND_LTU, QREG_CC_X, dest, tcg_const_i32(im));
         s->cc_op = CC_OP_ADD;
         break;
     case 5: /* eori */
@@ -1387,7 +1387,7 @@ DISAS_INSN(neg)
     tcg_gen_neg_i32(reg, src1);
     s->cc_op = CC_OP_SUB;
     gen_update_cc_add(reg, src1);
-    gen_helper_xflag_lt(QREG_CC_X, tcg_const_i32(0), src1);
+    tcg_gen_setcond_i32(TCG_COND_LTU, QREG_CC_X, tcg_const_i32(0), src1);
     s->cc_op = CC_OP_SUB;
 }
 
@@ -1633,12 +1633,12 @@ DISAS_INSN(addsubq)
     } else {
         src2 = tcg_const_i32(val);
         if (insn & 0x0100) {
-            gen_helper_xflag_lt(QREG_CC_X, dest, src2);
+            tcg_gen_setcond_i32(TCG_COND_LTU, QREG_CC_X, dest, src2);
             tcg_gen_subi_i32(dest, dest, val);
             s->cc_op = CC_OP_SUB;
         } else {
             tcg_gen_addi_i32(dest, dest, val);
-            gen_helper_xflag_lt(QREG_CC_X, dest, src2);
+            tcg_gen_setcond_i32(TCG_COND_LTU, QREG_CC_X, dest, src2);
             s->cc_op = CC_OP_ADD;
         }
         gen_update_cc_add(dest, src2);
-- 
2.7.4

  parent reply	other threads:[~2016-10-25 19:03 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-25 19:02 [Qemu-devel] [PULL 00/23] M68k part1 patches Laurent Vivier
2016-10-25 19:02 ` [Qemu-devel] [PULL 01/23] target-m68k: fix DEBUG_DISPATCH Laurent Vivier
2016-10-25 19:02 ` [Qemu-devel] [PULL 02/23] target-m68k: Build the opcode table only once to avoid multithreading issues Laurent Vivier
2016-10-25 19:02 ` [Qemu-devel] [PULL 03/23] target-m68k: define m680x0 CPUs and features Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 04/23] target-m68k: manage scaled index Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 05/23] target-m68k: introduce read_imXX() functions Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 06/23] target-m68k: set disassembler mode to 680x0 or coldfire Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 07/23] target-m68k: define operand sizes Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 08/23] target-m68k: set PAGE_BITS to 12 for m68k Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 09/23] target-m68k: REG() macro cleanup Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 10/23] target-m68k: allow to update flags with operation on words and bytes Laurent Vivier
2016-10-25 19:03 ` Laurent Vivier [this message]
2016-10-25 19:03 ` [Qemu-devel] [PULL 12/23] target-m68k: remove m68k_cpu_exec_enter() and m68k_cpu_exec_exit() Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 13/23] target-m68k: update move to/from ccr/sr Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 14/23] target-m68k: don't update cc_dest in helpers Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 15/23] target-m68k: update CPU flags management Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 16/23] target-m68k: Print flags properly Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 17/23] target-m68k: Some fixes to SR and flags management Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 18/23] target-m68k: Remove incorrect clearing of cc_x Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 19/23] target-m68k: Reorg flags handling Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 20/23] target-m68k: Introduce DisasCompare Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 21/23] target-m68k: Use setcond for scc Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 22/23] target-m68k: Optimize some comparisons Laurent Vivier
2016-10-25 19:03 ` [Qemu-devel] [PULL 23/23] target-m68k: Optimize gen_flush_flags Laurent Vivier
2016-10-27 11:45 ` [Qemu-devel] [PULL 00/23] M68k part1 patches Peter Maydell
2016-10-27 11:47   ` Laurent Vivier
2016-10-27 11:50     ` Peter Maydell

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