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authorMatheus Ferst <matheus.ferst@eldorado.org.br>2022-03-02 06:51:38 +0100
committerCédric Le Goater <clg@kaod.org>2022-03-02 06:51:38 +0100
commit9620ae01b888e7d7ffd084782ac4edaa857413b2 (patch)
tree979b78b758449f51db17d29df2b437f2905046ac /tcg
parent41c2877f524c7715867c20b4936cf729ccc30996 (diff)
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tcg/tcg-op-gvec.c: Introduce tcg_gen_gvec_4i
Following the implementation of tcg_gen_gvec_3i, add a four-vector and immediate operand expansion method. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220225210936.1749575-34-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/tcg-op-gvec.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/tcg/tcg-op-gvec.c b/tcg/tcg-op-gvec.c
index ffe55e9..079a761 100644
--- a/tcg/tcg-op-gvec.c
+++ b/tcg/tcg-op-gvec.c
@@ -836,6 +836,30 @@ static void expand_4_i32(uint32_t dofs, uint32_t aofs, uint32_t bofs,
tcg_temp_free_i32(t0);
}
+static void expand_4i_i32(uint32_t dofs, uint32_t aofs, uint32_t bofs,
+ uint32_t cofs, uint32_t oprsz, int32_t c,
+ void (*fni)(TCGv_i32, TCGv_i32, TCGv_i32, TCGv_i32,
+ int32_t))
+{
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ TCGv_i32 t1 = tcg_temp_new_i32();
+ TCGv_i32 t2 = tcg_temp_new_i32();
+ TCGv_i32 t3 = tcg_temp_new_i32();
+ uint32_t i;
+
+ for (i = 0; i < oprsz; i += 4) {
+ tcg_gen_ld_i32(t1, cpu_env, aofs + i);
+ tcg_gen_ld_i32(t2, cpu_env, bofs + i);
+ tcg_gen_ld_i32(t3, cpu_env, cofs + i);
+ fni(t0, t1, t2, t3, c);
+ tcg_gen_st_i32(t0, cpu_env, dofs + i);
+ }
+ tcg_temp_free_i32(t3);
+ tcg_temp_free_i32(t2);
+ tcg_temp_free_i32(t1);
+ tcg_temp_free_i32(t0);
+}
+
/* Expand OPSZ bytes worth of two-operand operations using i64 elements. */
static void expand_2_i64(uint32_t dofs, uint32_t aofs, uint32_t oprsz,
bool load_dest, void (*fni)(TCGv_i64, TCGv_i64))
@@ -971,6 +995,30 @@ static void expand_4_i64(uint32_t dofs, uint32_t aofs, uint32_t bofs,
tcg_temp_free_i64(t0);
}
+static void expand_4i_i64(uint32_t dofs, uint32_t aofs, uint32_t bofs,
+ uint32_t cofs, uint32_t oprsz, int64_t c,
+ void (*fni)(TCGv_i64, TCGv_i64, TCGv_i64, TCGv_i64,
+ int64_t))
+{
+ TCGv_i64 t0 = tcg_temp_new_i64();
+ TCGv_i64 t1 = tcg_temp_new_i64();
+ TCGv_i64 t2 = tcg_temp_new_i64();
+ TCGv_i64 t3 = tcg_temp_new_i64();
+ uint32_t i;
+
+ for (i = 0; i < oprsz; i += 8) {
+ tcg_gen_ld_i64(t1, cpu_env, aofs + i);
+ tcg_gen_ld_i64(t2, cpu_env, bofs + i);
+ tcg_gen_ld_i64(t3, cpu_env, cofs + i);
+ fni(t0, t1, t2, t3, c);
+ tcg_gen_st_i64(t0, cpu_env, dofs + i);
+ }
+ tcg_temp_free_i64(t3);
+ tcg_temp_free_i64(t2);
+ tcg_temp_free_i64(t1);
+ tcg_temp_free_i64(t0);
+}
+
/* Expand OPSZ bytes worth of two-operand operations using host vectors. */
static void expand_2_vec(unsigned vece, uint32_t dofs, uint32_t aofs,
uint32_t oprsz, uint32_t tysz, TCGType type,
@@ -1121,6 +1169,35 @@ static void expand_4_vec(unsigned vece, uint32_t dofs, uint32_t aofs,
tcg_temp_free_vec(t0);
}
+/*
+ * Expand OPSZ bytes worth of four-vector operands and an immediate operand
+ * using host vectors.
+ */
+static void expand_4i_vec(unsigned vece, uint32_t dofs, uint32_t aofs,
+ uint32_t bofs, uint32_t cofs, uint32_t oprsz,
+ uint32_t tysz, TCGType type, int64_t c,
+ void (*fni)(unsigned, TCGv_vec, TCGv_vec,
+ TCGv_vec, TCGv_vec, int64_t))
+{
+ TCGv_vec t0 = tcg_temp_new_vec(type);
+ TCGv_vec t1 = tcg_temp_new_vec(type);
+ TCGv_vec t2 = tcg_temp_new_vec(type);
+ TCGv_vec t3 = tcg_temp_new_vec(type);
+ uint32_t i;
+
+ for (i = 0; i < oprsz; i += tysz) {
+ tcg_gen_ld_vec(t1, cpu_env, aofs + i);
+ tcg_gen_ld_vec(t2, cpu_env, bofs + i);
+ tcg_gen_ld_vec(t3, cpu_env, cofs + i);
+ fni(vece, t0, t1, t2, t3, c);
+ tcg_gen_st_vec(t0, cpu_env, dofs + i);
+ }
+ tcg_temp_free_vec(t3);
+ tcg_temp_free_vec(t2);
+ tcg_temp_free_vec(t1);
+ tcg_temp_free_vec(t0);
+}
+
/* Expand a vector two-operand operation. */
void tcg_gen_gvec_2(uint32_t dofs, uint32_t aofs,
uint32_t oprsz, uint32_t maxsz, const GVecGen2 *g)
@@ -1533,6 +1610,75 @@ void tcg_gen_gvec_4(uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t cofs,
}
}
+/* Expand a vector four-operand operation. */
+void tcg_gen_gvec_4i(uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t cofs,
+ uint32_t oprsz, uint32_t maxsz, int64_t c,
+ const GVecGen4i *g)
+{
+ const TCGOpcode *this_list = g->opt_opc ? : vecop_list_empty;
+ const TCGOpcode *hold_list = tcg_swap_vecop_list(this_list);
+ TCGType type;
+ uint32_t some;
+
+ check_size_align(oprsz, maxsz, dofs | aofs | bofs | cofs);
+ check_overlap_4(dofs, aofs, bofs, cofs, maxsz);
+
+ type = 0;
+ if (g->fniv) {
+ type = choose_vector_type(g->opt_opc, g->vece, oprsz, g->prefer_i64);
+ }
+ switch (type) {
+ case TCG_TYPE_V256:
+ /*
+ * Recall that ARM SVE allows vector sizes that are not a
+ * power of 2, but always a multiple of 16. The intent is
+ * that e.g. size == 80 would be expanded with 2x32 + 1x16.
+ */
+ some = QEMU_ALIGN_DOWN(oprsz, 32);
+ expand_4i_vec(g->vece, dofs, aofs, bofs, cofs, some,
+ 32, TCG_TYPE_V256, c, g->fniv);
+ if (some == oprsz) {
+ break;
+ }
+ dofs += some;
+ aofs += some;
+ bofs += some;
+ cofs += some;
+ oprsz -= some;
+ maxsz -= some;
+ /* fallthru */
+ case TCG_TYPE_V128:
+ expand_4i_vec(g->vece, dofs, aofs, bofs, cofs, oprsz,
+ 16, TCG_TYPE_V128, c, g->fniv);
+ break;
+ case TCG_TYPE_V64:
+ expand_4i_vec(g->vece, dofs, aofs, bofs, cofs, oprsz,
+ 8, TCG_TYPE_V64, c, g->fniv);
+ break;
+
+ case 0:
+ if (g->fni8 && check_size_impl(oprsz, 8)) {
+ expand_4i_i64(dofs, aofs, bofs, cofs, oprsz, c, g->fni8);
+ } else if (g->fni4 && check_size_impl(oprsz, 4)) {
+ expand_4i_i32(dofs, aofs, bofs, cofs, oprsz, c, g->fni4);
+ } else {
+ assert(g->fno != NULL);
+ tcg_gen_gvec_4_ool(dofs, aofs, bofs, cofs,
+ oprsz, maxsz, c, g->fno);
+ oprsz = maxsz;
+ }
+ break;
+
+ default:
+ g_assert_not_reached();
+ }
+ tcg_swap_vecop_list(hold_list);
+
+ if (oprsz < maxsz) {
+ expand_clr(dofs + oprsz, maxsz - oprsz);
+ }
+}
+
/*
* Expand specific vector operations.
*/