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From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: tommusta@gmail.com, agraf@suse.de
Subject: [Qemu-devel] [PATCH 07/14] ppc: reorganize gen_compute_fprf
Date: Mon, 15 Sep 2014 17:03:34 +0200	[thread overview]
Message-ID: <1410793421-6453-8-git-send-email-pbonzini@redhat.com> (raw)
In-Reply-To: <1410793421-6453-1-git-send-email-pbonzini@redhat.com>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
	v1->v2: fixed leak of temporaries

 target-ppc/translate.c | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index c28bddf..a8b6b7c 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -252,23 +252,22 @@ static inline void gen_reset_fpstatus(void)
 
 static inline void gen_compute_fprf(TCGv_i64 arg, int set_fprf, int set_rc)
 {
-    TCGv_i32 t0 = tcg_temp_new_i32();
+    TCGv_i32 t0;
 
-    if (set_fprf != 0) {
-        /* This case might be optimized later */
-        tcg_gen_movi_i32(t0, 1);
-        gen_helper_compute_fprf(t0, cpu_env, arg, t0);
-        if (unlikely(set_rc)) {
-            tcg_gen_mov_i32(cpu_crf[1], t0);
-        }
-        gen_helper_float_check_status(cpu_env);
-    } else if (unlikely(set_rc)) {
-        /* We always need to compute fpcc */
-        tcg_gen_movi_i32(t0, 0);
-        gen_helper_compute_fprf(t0, cpu_env, arg, t0);
+    if (set_fprf == 0 && !set_rc) {
+        return;
+    }
+
+    t0 = tcg_temp_new_i32();
+    tcg_gen_movi_i32(t0, set_fprf != 0);
+    gen_helper_compute_fprf(t0, cpu_env, arg, t0);
+    if (set_rc) {
         tcg_gen_mov_i32(cpu_crf[1], t0);
     }
 
+    if (set_fprf != 0) {
+        gen_helper_float_check_status(cpu_env);
+    }
     tcg_temp_free_i32(t0);
 }
 
-- 
1.8.3.1

  parent reply	other threads:[~2014-09-15 15:04 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-15 15:03 [Qemu-devel] [PATCH v2 00/14] TCG ppc speedups Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 01/14] ppc: do not look at the MMU index to detect PR/HV mode Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 02/14] softmmu: support up to 12 MMU modes Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes Paolo Bonzini
2014-09-16 17:20   ` Tom Musta
2014-09-16 18:02     ` Richard Henderson
2014-09-16 18:27       ` Paolo Bonzini
2014-09-16 18:41         ` Richard Henderson
2014-09-16 22:23           ` Richard Henderson
2014-09-17  6:22             ` Paolo Bonzini
2014-09-17  8:53               ` Paolo Bonzini
2014-09-17 15:33                 ` Richard Henderson
2014-09-17 15:50                   ` Paolo Bonzini
2014-09-17 15:55                     ` Richard Henderson
2014-09-16 18:49     ` Peter Maydell
2014-09-16 22:13       ` Richard Henderson
2014-09-15 15:03 ` [Qemu-devel] [PATCH 04/14] ppc: introduce ppc_get_cr and ppc_set_cr Paolo Bonzini
2014-09-18 19:24   ` Tom Musta
2014-09-15 15:03 ` [Qemu-devel] [PATCH 05/14] ppc: use CRF_* in fpu_helper.c Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 06/14] ppc: introduce helpers for mfocrf/mtocrf Paolo Bonzini
2014-09-18 19:32   ` Tom Musta
2014-09-18 21:01   ` Richard Henderson
2014-09-15 15:03 ` Paolo Bonzini [this message]
2014-09-18 19:48   ` [Qemu-devel] [PATCH 07/14] ppc: reorganize gen_compute_fprf Tom Musta
2014-09-15 15:03 ` [Qemu-devel] [PATCH 08/14] ppc: introduce gen_op_mfcr/gen_op_mtcr Paolo Bonzini
2014-09-18 19:49   ` Tom Musta
2014-09-18 21:38   ` Richard Henderson
2014-09-19 13:31     ` Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 09/14] ppc: introduce ppc_get_crf and ppc_set_crf Paolo Bonzini
2014-09-18 19:51   ` Tom Musta
2014-09-19 14:52     ` Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 10/14] ppc: use movcond for isel Paolo Bonzini
2014-09-18 20:05   ` Tom Musta
2014-09-15 15:03 ` [Qemu-devel] [PATCH 11/14] ppc: store CR registers in 32 1-bit registers Paolo Bonzini
2014-09-18 20:25   ` Tom Musta
2014-09-19 13:53     ` Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 12/14] ppc: use movcond to implement evsel Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 13/14] ppc: inline ppc_set_crf when clearer Paolo Bonzini
2014-09-18 20:33   ` Tom Musta
2014-09-19 13:51     ` Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 14/14] ppc: dump all 32 CR bits Paolo Bonzini
2014-09-18 20:43 ` [Qemu-devel] [PATCH v2 00/14] TCG ppc speedups Tom Musta
2014-09-19 15:16   ` Paolo Bonzini
2014-11-03 11:56 ` Alexander Graf

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