Signed-off-by: Taylor Simpson <tsimp...@quicinc.com>
---
target/hexagon/genptr.c | 1 +
target/hexagon/genptr_helpers.h | 189 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 190 insertions(+)
diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c
index 30319b5..3da0018 100644
--- a/target/hexagon/genptr.c
+++ b/target/hexagon/genptr.c
@@ -26,6 +26,7 @@
#include "opcodes.h"
#include "translate.h"
#include "macros.h"
+#include "mmvec/macros.h"
#include "genptr_helpers.h"
#include "helper_overrides.h"
diff --git a/target/hexagon/genptr_helpers.h b/target/hexagon/genptr_helpers.h
index b8bdcf4..66f67e5 100644
--- a/target/hexagon/genptr_helpers.h
+++ b/target/hexagon/genptr_helpers.h
@@ -830,4 +830,193 @@ static inline void gen_lshiftr_4_4u(TCGv dst, TCGv src,
int32_t shift_amt)
}
}
+static inline uint32_t new_temp_vreg_offset(DisasContext *ctx, int num)
+{
+ uint32_t offset =
+ offsetof(CPUHexagonState, temp_vregs[ctx->ctx_temp_vregs_idx]);
+
+ HEX_DEBUG_LOG("new_temp_vreg_offset: %d\n", ctx->ctx_temp_vregs_idx);
+ g_assert(ctx->ctx_temp_vregs_idx + num - 1 < TEMP_VECTORS_MAX);
+ ctx->ctx_temp_vregs_idx += num;
+ return offset;
+}
+
+static inline uint32_t new_temp_qreg_offset(DisasContext *ctx)
+{
+ uint32_t offset =
+ offsetof(CPUHexagonState, temp_qregs[ctx->ctx_temp_qregs_idx]);
+
+ HEX_DEBUG_LOG("new_temp_qreg_offset: %d\n", ctx->ctx_temp_qregs_idx);
+ g_assert(ctx->ctx_temp_qregs_idx < TEMP_VECTORS_MAX);
+ ctx->ctx_temp_qregs_idx++;
+ return offset;
+}
+
+static inline void gen_read_qreg(TCGv_ptr var, int num, int vtmp)
+{
+ uint32_t offset = offsetof(CPUHexagonState, QRegs[(num)]);
+ TCGv_ptr src = tcg_temp_new_ptr();
+ tcg_gen_addi_ptr(src, cpu_env, offset);
+ gen_memcpy(var, src, sizeof(mmqreg_t));
+ tcg_temp_free_ptr(src);
+}
+
+static inline void gen_read_vreg(TCGv_ptr var, int num, int vtmp)
+{
+ TCGv zero = tcg_const_tl(0);
+ TCGv offset_future =
+ tcg_const_tl(offsetof(CPUHexagonState, future_VRegs[num]));
+ TCGv offset_vregs =
+ tcg_const_tl(offsetof(CPUHexagonState, VRegs[num]));
+ TCGv offset_tmp_vregs =
+ tcg_const_tl(offsetof(CPUHexagonState, tmp_VRegs[num]));
+ TCGv offset = tcg_temp_new();
+ TCGv_ptr offset_ptr = tcg_temp_new_ptr();
+ TCGv_ptr ptr_src = tcg_temp_new_ptr();
+ TCGv new_written = tcg_temp_new();
+ TCGv tmp_written = tcg_temp_new();
+
+ /*
+ * new_written = (hex_VRegs_select >> num) & 1;
+ * offset = new_written ? offset_future, offset_vregs;
+ */
+ tcg_gen_shri_tl(new_written, hex_VRegs_select, num);
+ tcg_gen_andi_tl(new_written, new_written, 1);
+ tcg_gen_movcond_tl(TCG_COND_NE, offset, new_written, zero,
+ offset_future, offset_vregs);
+
+ /*
+ * tmp_written = (hex_VRegs_updated_tmp >> num) & 1;
+ * if (tmp_written) offset = offset_tmp_vregs;
+ */
+ tcg_gen_shri_tl(tmp_written, hex_VRegs_updated_tmp, num);
+ tcg_gen_andi_tl(tmp_written, tmp_written, 1);
+ tcg_gen_movcond_tl(TCG_COND_NE, offset, tmp_written, zero,
+ offset_tmp_vregs, offset);
+
+ if (vtmp == EXT_TMP) {
+ TCGv vregs_updated = tcg_temp_new();
+ TCGv temp = tcg_temp_new();
+
+ /*
+ * vregs_updated = hex_VRegs_updates & (1 << num);
+ * if (vregs_updated) {
+ * offset = offset_future;
+ * hex_VRegs_updated ^= (1 << num);
+ * }
+ */
+ tcg_gen_andi_tl(vregs_updated, hex_VRegs_updated, 1 << num);
+ tcg_gen_movcond_tl(TCG_COND_NE, offset, vregs_updated, zero,
+ offset_future, offset);
+ tcg_gen_xori_tl(temp, hex_VRegs_updated, 1 << num);
+ tcg_gen_movcond_tl(TCG_COND_NE, hex_VRegs_updated, vregs_updated, zero,
+ temp, hex_VRegs_updated);
+
+ tcg_temp_free(vregs_updated);
+ tcg_temp_free(temp);
+ }
+
+ tcg_gen_ext_i32_ptr(offset_ptr, offset);
+ tcg_gen_add_ptr(ptr_src, cpu_env, offset_ptr);
+ gen_memcpy(var, ptr_src, sizeof(mmvector_t));
+
+ tcg_temp_free(zero);
+ tcg_temp_free(offset_future);
+ tcg_temp_free(offset_vregs);
+ tcg_temp_free(offset_tmp_vregs);
+ tcg_temp_free(offset);
+ tcg_temp_free_ptr(offset_ptr);
+ tcg_temp_free_ptr(ptr_src);
+ tcg_temp_free(new_written);
+ tcg_temp_free(tmp_written);
+}
+
+static inline void gen_read_vreg_pair(TCGv_ptr var, int num, int vtmp)
+{
+ TCGv_ptr v0 = tcg_temp_new_ptr();
+ TCGv_ptr v1 = tcg_temp_new_ptr();
+ tcg_gen_addi_ptr(v0, var, offsetof(mmvector_pair_t, v[0]));
+ gen_read_vreg(v0, num ^ 0, vtmp);
+ tcg_gen_addi_ptr(v1, var, offsetof(mmvector_pair_t, v[1]));
+ gen_read_vreg(v1, num ^ 1, vtmp);
+ tcg_temp_free_ptr(v0);
+ tcg_temp_free_ptr(v1);
+}
+
+static inline void gen_log_vreg_write(TCGv_ptr var, int num, int vnew,
+ int slot_num)
+{
+ TCGv cancelled = tcg_temp_local_new();
+ TCGLabel *label_end = gen_new_label();
+
+ /* Don't do anything if the slot was cancelled */
+ gen_slot_cancelled_check(cancelled, slot_num);
+ tcg_gen_brcondi_tl(TCG_COND_NE, cancelled, 0, label_end);
+ {
+ TCGv mask = tcg_const_tl(1 << num);
+ TCGv_ptr dst = tcg_temp_new_ptr();
+ if (vnew != EXT_TMP) {
+ tcg_gen_or_tl(hex_VRegs_updated, hex_VRegs_updated, mask);
+ }
+ if (vnew == EXT_NEW) {
+ tcg_gen_or_tl(hex_VRegs_select, hex_VRegs_select, mask);
+ }
+ if (vnew == EXT_TMP) {
+ tcg_gen_or_tl(hex_VRegs_updated_tmp, hex_VRegs_updated_tmp, mask);
+ }
+ tcg_gen_addi_ptr(dst, cpu_env,
+ offsetof(CPUHexagonState, future_VRegs[num]));
+ gen_memcpy(dst, var, sizeof(mmvector_t));
+ if (vnew == EXT_TMP) {
+ TCGv_ptr src = tcg_temp_new_ptr();
+ tcg_gen_addi_ptr(dst, cpu_env,
+ offsetof(CPUHexagonState, tmp_VRegs[num]));
+ tcg_gen_addi_ptr(src, cpu_env,
+ offsetof(CPUHexagonState, future_VRegs[num]));
+ gen_memcpy(dst, src, sizeof(mmvector_t));
+ tcg_temp_free_ptr(src);
+ }
+ tcg_temp_free(mask);
+ tcg_temp_free_ptr(dst);
+ }
+ gen_set_label(label_end);
+
+ tcg_temp_free(cancelled);
+}
+
+static inline void gen_log_vreg_write_pair(TCGv_ptr var, int num, int vnew,
+ int slot_num)
+{
+ TCGv_ptr v0 = tcg_temp_local_new_ptr();
+ TCGv_ptr v1 = tcg_temp_local_new_ptr();
+ tcg_gen_addi_ptr(v0, var, offsetof(mmvector_pair_t, v[0]));
+ gen_log_vreg_write(v0, num ^ 0, vnew, slot_num);
+ tcg_gen_addi_ptr(v1, var, offsetof(mmvector_pair_t, v[1]));
+ gen_log_vreg_write(v1, num ^ 1, vnew, slot_num);
+ tcg_temp_free_ptr(v0);
+ tcg_temp_free_ptr(v1);
+}
+
+static inline void gen_log_qreg_write(TCGv_ptr var, int num, int vnew,
+ int slot_num)
+{
+ TCGv cancelled = tcg_temp_local_new();
+ TCGLabel *label_end = gen_new_label();
+
+ /* Don't do anything if the slot was cancelled */
+ gen_slot_cancelled_check(cancelled, slot_num);
+ tcg_gen_brcondi_tl(TCG_COND_NE, cancelled, 0, label_end);
+ {
+ TCGv_ptr dst = tcg_temp_new_ptr();
+ tcg_gen_addi_ptr(dst, cpu_env,
+ offsetof(CPUHexagonState, future_QRegs[num]));
+ gen_memcpy(dst, var, sizeof(mmqreg_t));
+ tcg_gen_ori_tl(hex_QRegs_updated, hex_QRegs_updated, 1 << num);
+ tcg_temp_free_ptr(dst);
+ }
+ gen_set_label(label_end);
+
+ tcg_temp_free(cancelled);
+}
+
#endif
--
2.7.4
