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[Qemu-devel] [PATCH for-4.1 v3 05/17] tcg: Allow add_vec, sub_vec, neg_v
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH for-4.1 v3 05/17] tcg: Allow add_vec, sub_vec, neg_vec, not_vec to be expanded |
Date: |
Tue, 19 Mar 2019 10:21:14 -0700 |
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/tcg-op-vec.c | 49 ++++++++++++++++++++++++++++++++----------------
1 file changed, 33 insertions(+), 16 deletions(-)
diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c
index 27f65600c3..cfb18682b1 100644
--- a/tcg/tcg-op-vec.c
+++ b/tcg/tcg-op-vec.c
@@ -226,16 +226,6 @@ void tcg_gen_stl_vec(TCGv_vec r, TCGv_ptr b, TCGArg o,
TCGType low_type)
vec_gen_3(INDEX_op_st_vec, low_type, 0, ri, bi, o);
}
-void tcg_gen_add_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
-{
- vec_gen_op3(INDEX_op_add_vec, vece, r, a, b);
-}
-
-void tcg_gen_sub_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
-{
- vec_gen_op3(INDEX_op_sub_vec, vece, r, a, b);
-}
-
void tcg_gen_and_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
{
vec_gen_op3(INDEX_op_and_vec, 0, r, a, b);
@@ -296,11 +286,30 @@ void tcg_gen_eqv_vec(unsigned vece, TCGv_vec r, TCGv_vec
a, TCGv_vec b)
tcg_gen_not_vec(0, r, r);
}
+static bool do_op2(unsigned vece, TCGv_vec r, TCGv_vec a, TCGOpcode opc)
+{
+ TCGTemp *rt = tcgv_vec_temp(r);
+ TCGTemp *at = tcgv_vec_temp(a);
+ TCGArg ri = temp_arg(rt);
+ TCGArg ai = temp_arg(at);
+ TCGType type = rt->base_type;
+ int can;
+
+ tcg_debug_assert(at->base_type >= type);
+ can = tcg_can_emit_vec_op(opc, type, vece);
+ if (can > 0) {
+ vec_gen_2(opc, type, vece, ri, ai);
+ } else if (can < 0) {
+ tcg_expand_vec_op(opc, type, vece, ri, ai);
+ } else {
+ return false;
+ }
+ return true;
+}
+
void tcg_gen_not_vec(unsigned vece, TCGv_vec r, TCGv_vec a)
{
- if (TCG_TARGET_HAS_not_vec) {
- vec_gen_op2(INDEX_op_not_vec, 0, r, a);
- } else {
+ if (!TCG_TARGET_HAS_not_vec || !do_op2(vece, r, a, INDEX_op_not_vec)) {
TCGv_vec t = tcg_const_ones_vec_matching(r);
tcg_gen_xor_vec(0, r, a, t);
tcg_temp_free_vec(t);
@@ -309,9 +318,7 @@ void tcg_gen_not_vec(unsigned vece, TCGv_vec r, TCGv_vec a)
void tcg_gen_neg_vec(unsigned vece, TCGv_vec r, TCGv_vec a)
{
- if (TCG_TARGET_HAS_neg_vec) {
- vec_gen_op2(INDEX_op_neg_vec, vece, r, a);
- } else {
+ if (!TCG_TARGET_HAS_neg_vec || !do_op2(vece, r, a, INDEX_op_neg_vec)) {
TCGv_vec t = tcg_const_zeros_vec_matching(r);
tcg_gen_sub_vec(vece, r, t, a);
tcg_temp_free_vec(t);
@@ -409,6 +416,16 @@ static void do_op3(unsigned vece, TCGv_vec r, TCGv_vec a,
}
}
+void tcg_gen_add_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
+{
+ do_op3(vece, r, a, b, INDEX_op_add_vec);
+}
+
+void tcg_gen_sub_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
+{
+ do_op3(vece, r, a, b, INDEX_op_sub_vec);
+}
+
void tcg_gen_mul_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
{
do_op3(vece, r, a, b, INDEX_op_mul_vec);
--
2.17.2
- [Qemu-devel] [PATCH for-4.1 v3 00/17] tcg/ppc: Add vector opcodes, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 01/17] target/arm: Fill in .opc for cmtst_op, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 02/17] tcg: Assert fixed_reg is read-only, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 04/17] tcg: Support cross-class moves without instruction support, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 03/17] tcg: Return bool success from tcg_out_mov, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 05/17] tcg: Allow add_vec, sub_vec, neg_vec, not_vec to be expanded,
Richard Henderson <=
- [Qemu-devel] [PATCH for-4.1 v3 06/17] tcg: Promote tcg_out_{dup, dupi}_vec to backend interface, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 08/17] tcg: Add tcg_out_dupm_vec to the backend interface, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 09/17] tcg/i386: Implement tcg_out_dupm_vec, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 07/17] tcg: Manually expand INDEX_op_dup_vec, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 10/17] tcg/aarch64: Implement tcg_out_dupm_vec, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 11/17] tcg: Add INDEX_op_dup_mem_vec, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 13/17] tcg/ppc: Support vector shift by immediate, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 14/17] tcg/ppc: Support vector multiply, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 15/17] tcg/ppc: Update vector support to v2.06, Richard Henderson, 2019/03/19
- [Qemu-devel] [PATCH for-4.1 v3 16/17] tcg/ppc: Update vector support to v2.07, Richard Henderson, 2019/03/19