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[Qemu-ppc] [PATCH 2/2] target/ppc: Optimize x[sv]xsigdp using deposit_i6
From: |
Philippe Mathieu-Daudé |
Subject: |
[Qemu-ppc] [PATCH 2/2] target/ppc: Optimize x[sv]xsigdp using deposit_i64() |
Date: |
Sat, 9 Mar 2019 22:42:55 +0100 |
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
target/ppc/translate/vsx-impl.inc.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/target/ppc/translate/vsx-impl.inc.c
b/target/ppc/translate/vsx-impl.inc.c
index 48c58deb14..3203165f49 100644
--- a/target/ppc/translate/vsx-impl.inc.c
+++ b/target/ppc/translate/vsx-impl.inc.c
@@ -1618,8 +1618,7 @@ static void gen_xsxsigdp(DisasContext *ctx)
tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, zr, zr, t0);
tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0);
get_cpu_vsrh(t1, xB(ctx->opcode));
- tcg_gen_andi_i64(rt, t1, 0x000FFFFFFFFFFFFF);
- tcg_gen_or_i64(rt, rt, t0);
+ tcg_gen_deposit_i64(rt, t0, t1, 0, 52);
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
@@ -1655,8 +1654,7 @@ static void gen_xsxsigqp(DisasContext *ctx)
tcg_gen_movi_i64(t0, 0x0001000000000000);
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, 0x0000FFFFFFFFFFFF);
- tcg_gen_or_i64(xth, xth, t0);
+ tcg_gen_deposit_i64(xth, t0, xbh, 0, 48);
set_cpu_vsrh(rD(ctx->opcode) + 32, xth);
tcg_gen_mov_i64(xtl, xbl);
set_cpu_vsrl(rD(ctx->opcode) + 32, xtl);
@@ -1845,16 +1843,14 @@ static void gen_xvxsigdp(DisasContext *ctx)
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_deposit_i64(xth, t0, xbh, 0, 52);
set_cpu_vsrh(xT(ctx->opcode), xth);
tcg_gen_extract_i64(exp, xbl, 52, 11);
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(xtl, xbl, 0x000FFFFFFFFFFFFF);
- tcg_gen_or_i64(xtl, xtl, t0);
+ tcg_gen_deposit_i64(xth, t0, xbl, 0, 52);
set_cpu_vsrl(xT(ctx->opcode), xtl);
tcg_temp_free_i64(t0);
--
2.19.1