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authorRichard Henderson <richard.henderson@linaro.org>2023-04-25 16:34:07 +0100
committerRichard Henderson <richard.henderson@linaro.org>2023-05-25 13:57:53 +0000
commit19d016ad9730dd9f04689a65c442b806d941f3a5 (patch)
treed7e0c9f973533494d4944486954938483140ab6b /tcg
parenteda151599654e3981967052defd49945e7879596 (diff)
tcg/riscv: Support rotates from Zbb
Acked-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/riscv/tcg-target.c.inc34
-rw-r--r--tcg/riscv/tcg-target.h4
2 files changed, 36 insertions, 2 deletions
diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc
index 2fdd450da3..cc96425413 100644
--- a/tcg/riscv/tcg-target.c.inc
+++ b/tcg/riscv/tcg-target.c.inc
@@ -1457,6 +1457,36 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
}
break;
+ case INDEX_op_rotl_i32:
+ if (c2) {
+ tcg_out_opc_imm(s, OPC_RORIW, a0, a1, -a2 & 0x1f);
+ } else {
+ tcg_out_opc_reg(s, OPC_ROLW, a0, a1, a2);
+ }
+ break;
+ case INDEX_op_rotl_i64:
+ if (c2) {
+ tcg_out_opc_imm(s, OPC_RORI, a0, a1, -a2 & 0x3f);
+ } else {
+ tcg_out_opc_reg(s, OPC_ROL, a0, a1, a2);
+ }
+ break;
+
+ case INDEX_op_rotr_i32:
+ if (c2) {
+ tcg_out_opc_imm(s, OPC_RORIW, a0, a1, a2 & 0x1f);
+ } else {
+ tcg_out_opc_reg(s, OPC_RORW, a0, a1, a2);
+ }
+ break;
+ case INDEX_op_rotr_i64:
+ if (c2) {
+ tcg_out_opc_imm(s, OPC_RORI, a0, a1, a2 & 0x3f);
+ } else {
+ tcg_out_opc_reg(s, OPC_ROR, a0, a1, a2);
+ }
+ break;
+
case INDEX_op_add2_i32:
tcg_out_addsub2(s, a0, a1, a2, args[3], args[4], args[5],
const_args[4], const_args[5], false, true);
@@ -1632,9 +1662,13 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
case INDEX_op_shl_i32:
case INDEX_op_shr_i32:
case INDEX_op_sar_i32:
+ case INDEX_op_rotl_i32:
+ case INDEX_op_rotr_i32:
case INDEX_op_shl_i64:
case INDEX_op_shr_i64:
case INDEX_op_sar_i64:
+ case INDEX_op_rotl_i64:
+ case INDEX_op_rotr_i64:
return C_O1_I2(r, r, ri);
case INDEX_op_brcond_i32:
diff --git a/tcg/riscv/tcg-target.h b/tcg/riscv/tcg-target.h
index 9f58d46208..317d385924 100644
--- a/tcg/riscv/tcg-target.h
+++ b/tcg/riscv/tcg-target.h
@@ -101,7 +101,7 @@ extern bool have_zbb;
#define TCG_TARGET_HAS_div_i32 1
#define TCG_TARGET_HAS_rem_i32 1
#define TCG_TARGET_HAS_div2_i32 0
-#define TCG_TARGET_HAS_rot_i32 0
+#define TCG_TARGET_HAS_rot_i32 have_zbb
#define TCG_TARGET_HAS_deposit_i32 0
#define TCG_TARGET_HAS_extract_i32 0
#define TCG_TARGET_HAS_sextract_i32 0
@@ -136,7 +136,7 @@ extern bool have_zbb;
#define TCG_TARGET_HAS_div_i64 1
#define TCG_TARGET_HAS_rem_i64 1
#define TCG_TARGET_HAS_div2_i64 0
-#define TCG_TARGET_HAS_rot_i64 0
+#define TCG_TARGET_HAS_rot_i64 have_zbb
#define TCG_TARGET_HAS_deposit_i64 0
#define TCG_TARGET_HAS_extract_i64 0
#define TCG_TARGET_HAS_sextract_i64 0