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
next prev 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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