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[Qemu-ppc] [PATCH 7/8] target/ppc: optimize various functions using extr
From: |
Philippe Mathieu-Daudé |
Subject: |
[Qemu-ppc] [PATCH 7/8] target/ppc: optimize various functions using extract op |
Date: |
Wed, 10 May 2017 17:05:34 -0300 |
Applied using Coccinelle script.
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
target/ppc/translate.c | 9 +++------
target/ppc/translate/vsx-impl.inc.c | 21 +++++++--------------
2 files changed, 10 insertions(+), 20 deletions(-)
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index f40b5a1abf..64ab412bf3 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -868,8 +868,7 @@ static inline void gen_op_arith_add(DisasContext *ctx, TCGv
ret, TCGv arg1,
}
tcg_gen_xor_tl(cpu_ca, t0, t1); /* bits changed w/ carry */
tcg_temp_free(t1);
- tcg_gen_shri_tl(cpu_ca, cpu_ca, 32); /* extract bit 32 */
- tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
+ tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
if (is_isa300(ctx)) {
tcg_gen_mov_tl(cpu_ca32, cpu_ca);
}
@@ -1399,8 +1398,7 @@ static inline void gen_op_arith_subf(DisasContext *ctx,
TCGv ret, TCGv arg1,
tcg_temp_free(inv1);
tcg_gen_xor_tl(cpu_ca, t0, t1); /* bits changes w/ carry */
tcg_temp_free(t1);
- tcg_gen_shri_tl(cpu_ca, cpu_ca, 32); /* extract bit 32 */
- tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
+ tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
if (is_isa300(ctx)) {
tcg_gen_mov_tl(cpu_ca32, cpu_ca);
}
@@ -5383,8 +5381,7 @@ static void gen_mfsri(DisasContext *ctx)
CHK_SV;
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
- tcg_gen_shri_tl(t0, t0, 28);
- tcg_gen_andi_tl(t0, t0, 0xF);
+ tcg_gen_extract_tl(t0, t0, 28, 0xF);
gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
tcg_temp_free(t0);
if (ra != 0 && ra != rd)
diff --git a/target/ppc/translate/vsx-impl.inc.c
b/target/ppc/translate/vsx-impl.inc.c
index 7f12908029..354a6b113a 100644
--- a/target/ppc/translate/vsx-impl.inc.c
+++ b/target/ppc/translate/vsx-impl.inc.c
@@ -1262,8 +1262,7 @@ static void gen_xsxexpqp(DisasContext *ctx)
gen_exception(ctx, POWERPC_EXCP_VSXU);
return;
}
- tcg_gen_shri_i64(xth, xbh, 48);
- tcg_gen_andi_i64(xth, xth, 0x7FFF);
+ tcg_gen_extract_i64(xth, xbh, 48, 0x7FFF);
tcg_gen_movi_i64(xtl, 0);
}
@@ -1431,10 +1430,8 @@ static void gen_xvxexpsp(DisasContext *ctx)
gen_exception(ctx, POWERPC_EXCP_VSXU);
return;
}
- tcg_gen_shri_i64(xth, xbh, 23);
- tcg_gen_andi_i64(xth, xth, 0xFF000000FF);
- tcg_gen_shri_i64(xtl, xbl, 23);
- tcg_gen_andi_i64(xtl, xtl, 0xFF000000FF);
+ tcg_gen_extract_i64(xth, xbh, 23, 0xFF000000FF);
+ tcg_gen_extract_i64(xtl, xbl, 23, 0xFF000000FF);
}
static void gen_xvxexpdp(DisasContext *ctx)
@@ -1448,10 +1445,8 @@ static void gen_xvxexpdp(DisasContext *ctx)
gen_exception(ctx, POWERPC_EXCP_VSXU);
return;
}
- tcg_gen_shri_i64(xth, xbh, 52);
- tcg_gen_andi_i64(xth, xth, 0x7FF);
- tcg_gen_shri_i64(xtl, xbl, 52);
- tcg_gen_andi_i64(xtl, xtl, 0x7FF);
+ tcg_gen_extract_i64(xth, xbh, 52, 0x7FF);
+ tcg_gen_extract_i64(xtl, xbl, 52, 0x7FF);
}
GEN_VSX_HELPER_2(xvxsigsp, 0x00, 0x04, 0, PPC2_ISA300)
@@ -1474,16 +1469,14 @@ static void gen_xvxsigdp(DisasContext *ctx)
zr = tcg_const_i64(0);
nan = tcg_const_i64(2047);
- tcg_gen_shri_i64(exp, xbh, 52);
- tcg_gen_andi_i64(exp, exp, 0x7FF);
+ tcg_gen_extract_i64(exp, xbh, 52, 0x7FF);
tcg_gen_movi_i64(t0, 0x0010000000000000);
tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, zr, zr, t0);
tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0);
tcg_gen_andi_i64(xth, xbh, 0x000FFFFFFFFFFFFF);
tcg_gen_or_i64(xth, xth, t0);
- tcg_gen_shri_i64(exp, xbl, 52);
- tcg_gen_andi_i64(exp, exp, 0x7FF);
+ tcg_gen_extract_i64(exp, xbl, 52, 0x7FF);
tcg_gen_movi_i64(t0, 0x0010000000000000);
tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, zr, zr, t0);
tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0);
--
2.11.0
- [Qemu-ppc] [PATCH 7/8] target/ppc: optimize various functions using extract op,
Philippe Mathieu-Daudé <=