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| author | Philippe Mathieu-Daudé | 2019-03-09 22:42:54 +0100 |
|---|---|---|
| committer | David Gibson | 2019-03-12 04:33:05 +0100 |
| commit | cde0a41c12cd03e860b8d13d0a0452397415c9ce (patch) | |
| tree | 9f7abd63378449c8e18859c2d51a5c1001f6e82d /target | |
| parent | target/ppc: add HV support for POWER9 (diff) | |
| download | qemu-cde0a41c12cd03e860b8d13d0a0452397415c9ce.tar.gz qemu-cde0a41c12cd03e860b8d13d0a0452397415c9ce.tar.xz qemu-cde0a41c12cd03e860b8d13d0a0452397415c9ce.zip | |
target/ppc: Optimize xviexpdp() using deposit_i64()
The t0 tcg_temp register is now unused, remove it.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20190309214255.9952-2-f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target')
| -rw-r--r-- | target/ppc/translate/vsx-impl.inc.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c index 95a269fff0..30d8aabd92 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -1695,7 +1695,6 @@ static void gen_xviexpdp(DisasContext *ctx) TCGv_i64 xal; TCGv_i64 xbh; TCGv_i64 xbl; - TCGv_i64 t0; if (unlikely(!ctx->vsx_enabled)) { gen_exception(ctx, POWERPC_EXCP_VSXU); @@ -1711,20 +1710,13 @@ static void gen_xviexpdp(DisasContext *ctx) get_cpu_vsrl(xal, xA(ctx->opcode)); get_cpu_vsrh(xbh, xB(ctx->opcode)); get_cpu_vsrl(xbl, xB(ctx->opcode)); - t0 = tcg_temp_new_i64(); - tcg_gen_andi_i64(xth, xah, 0x800FFFFFFFFFFFFF); - tcg_gen_andi_i64(t0, xbh, 0x7FF); - tcg_gen_shli_i64(t0, t0, 52); - tcg_gen_or_i64(xth, xth, t0); + tcg_gen_deposit_i64(xth, xah, xbh, 52, 11); set_cpu_vsrh(xT(ctx->opcode), xth); - tcg_gen_andi_i64(xtl, xal, 0x800FFFFFFFFFFFFF); - tcg_gen_andi_i64(t0, xbl, 0x7FF); - tcg_gen_shli_i64(t0, t0, 52); - tcg_gen_or_i64(xtl, xtl, t0); + + tcg_gen_deposit_i64(xtl, xal, xbl, 52, 11); set_cpu_vsrl(xT(ctx->opcode), xtl); - tcg_temp_free_i64(t0); tcg_temp_free_i64(xth); tcg_temp_free_i64(xtl); tcg_temp_free_i64(xah); |