tcg: Add generic vector ops for multiplication
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/tcg/README b/tcg/README
index 90d4de7..bb2ea51 100644
--- a/tcg/README
+++ b/tcg/README
@@ -538,6 +538,10 @@
Similarly, v0 = v1 - v2.
+* mul_vec v0, v1, v2
+
+ Similarly, v0 = v1 * v2.
+
* neg_vec v0, v1
Similarly, v0 = -v1.
diff --git a/tcg/tcg-op-gvec.c b/tcg/tcg-op-gvec.c
index 094c69d..49c77e3 100644
--- a/tcg/tcg-op-gvec.c
+++ b/tcg/tcg-op-gvec.c
@@ -1280,6 +1280,35 @@
tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
}
+void tcg_gen_gvec_mul(unsigned vece, uint32_t dofs, uint32_t aofs,
+ uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
+{
+ static const GVecGen3 g[4] = {
+ { .fniv = tcg_gen_mul_vec,
+ .fno = gen_helper_gvec_mul8,
+ .opc = INDEX_op_mul_vec,
+ .vece = MO_8 },
+ { .fniv = tcg_gen_mul_vec,
+ .fno = gen_helper_gvec_mul16,
+ .opc = INDEX_op_mul_vec,
+ .vece = MO_16 },
+ { .fni4 = tcg_gen_mul_i32,
+ .fniv = tcg_gen_mul_vec,
+ .fno = gen_helper_gvec_mul32,
+ .opc = INDEX_op_mul_vec,
+ .vece = MO_32 },
+ { .fni8 = tcg_gen_mul_i64,
+ .fniv = tcg_gen_mul_vec,
+ .fno = gen_helper_gvec_mul64,
+ .opc = INDEX_op_mul_vec,
+ .prefer_i64 = TCG_TARGET_REG_BITS == 64,
+ .vece = MO_64 },
+ };
+
+ tcg_debug_assert(vece <= MO_64);
+ tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
+}
+
/* Perform a vector negation using normal negation and a mask.
Compare gen_subv_mask above. */
static void gen_negv_mask(TCGv_i64 d, TCGv_i64 b, TCGv_i64 m)
diff --git a/tcg/tcg-op-gvec.h b/tcg/tcg-op-gvec.h
index 60a17ee..abe909d 100644
--- a/tcg/tcg-op-gvec.h
+++ b/tcg/tcg-op-gvec.h
@@ -176,6 +176,8 @@
uint32_t bofs, uint32_t oprsz, uint32_t maxsz);
void tcg_gen_gvec_sub(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz);
+void tcg_gen_gvec_mul(unsigned vece, uint32_t dofs, uint32_t aofs,
+ uint32_t bofs, uint32_t oprsz, uint32_t maxsz);
void tcg_gen_gvec_and(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t bofs, uint32_t oprsz, uint32_t maxsz);
diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c
index 4a6f92f..70ec889 100644
--- a/tcg/tcg-op-vec.c
+++ b/tcg/tcg-op-vec.c
@@ -365,3 +365,25 @@
tcg_expand_vec_op(INDEX_op_cmp_vec, type, vece, ri, ai, bi, cond);
}
}
+
+void tcg_gen_mul_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
+{
+ TCGTemp *rt = tcgv_vec_temp(r);
+ TCGTemp *at = tcgv_vec_temp(a);
+ TCGTemp *bt = tcgv_vec_temp(b);
+ TCGArg ri = temp_arg(rt);
+ TCGArg ai = temp_arg(at);
+ TCGArg bi = temp_arg(bt);
+ TCGType type = rt->base_type;
+ int can;
+
+ tcg_debug_assert(at->base_type == type);
+ tcg_debug_assert(bt->base_type == type);
+ can = tcg_can_emit_vec_op(INDEX_op_mul_vec, type, vece);
+ if (can > 0) {
+ vec_gen_3(INDEX_op_mul_vec, type, vece, ri, ai, bi);
+ } else {
+ tcg_debug_assert(can < 0);
+ tcg_expand_vec_op(INDEX_op_mul_vec, type, vece, ri, ai, bi);
+ }
+}
diff --git a/tcg/tcg-op.h b/tcg/tcg-op.h
index 113d9a6..75bb55a 100644
--- a/tcg/tcg-op.h
+++ b/tcg/tcg-op.h
@@ -917,6 +917,7 @@
void tcg_gen_dupi_vec(unsigned vece, TCGv_vec, uint64_t);
void tcg_gen_add_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b);
void tcg_gen_sub_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b);
+void tcg_gen_mul_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b);
void tcg_gen_and_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b);
void tcg_gen_or_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b);
void tcg_gen_xor_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b);
diff --git a/tcg/tcg-opc.h b/tcg/tcg-opc.h
index 13c0eed..d81a6c4 100644
--- a/tcg/tcg-opc.h
+++ b/tcg/tcg-opc.h
@@ -219,6 +219,7 @@
DEF(add_vec, 1, 2, 0, IMPLVEC)
DEF(sub_vec, 1, 2, 0, IMPLVEC)
+DEF(mul_vec, 1, 2, 0, IMPLVEC | IMPL(TCG_TARGET_HAS_mul_vec))
DEF(neg_vec, 1, 1, 0, IMPLVEC | IMPL(TCG_TARGET_HAS_neg_vec))
DEF(and_vec, 1, 2, 0, IMPLVEC)
diff --git a/tcg/tcg.c b/tcg/tcg.c
index de70983..bb24526 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1403,6 +1403,8 @@
return have_vec && TCG_TARGET_HAS_andc_vec;
case INDEX_op_orc_vec:
return have_vec && TCG_TARGET_HAS_orc_vec;
+ case INDEX_op_mul_vec:
+ return have_vec && TCG_TARGET_HAS_mul_vec;
case INDEX_op_shli_vec:
case INDEX_op_shri_vec:
case INDEX_op_sari_vec:
diff --git a/tcg/tcg.h b/tcg/tcg.h
index 8c19a1f..9e2d909 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -181,6 +181,7 @@
#define TCG_TARGET_HAS_shi_vec 0
#define TCG_TARGET_HAS_shs_vec 0
#define TCG_TARGET_HAS_shv_vec 0
+#define TCG_TARGET_HAS_mul_vec 0
#else
#define TCG_TARGET_MAYBE_vec 1
#endif
