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authorRichard Henderson <richard.henderson@linaro.org>2023-04-25 17:04:53 +0100
committerRichard Henderson <richard.henderson@linaro.org>2023-05-25 13:57:53 +0000
commit7b4d5274279dbca4b9a83a0a64bc7fb10d7e3970 (patch)
treed458ec7d5dd15a2f405c4ae52008945d224b9a99 /tcg/riscv
parent19d016ad9730dd9f04689a65c442b806d941f3a5 (diff)
tcg/riscv: Support REV8 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/riscv')
-rw-r--r--tcg/riscv/tcg-target.c.inc29
-rw-r--r--tcg/riscv/tcg-target.h10
2 files changed, 34 insertions, 5 deletions
diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc
index cc96425413..cb4afb4733 100644
--- a/tcg/riscv/tcg-target.c.inc
+++ b/tcg/riscv/tcg-target.c.inc
@@ -1487,6 +1487,30 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
}
break;
+ case INDEX_op_bswap64_i64:
+ tcg_out_opc_imm(s, OPC_REV8, a0, a1, 0);
+ break;
+ case INDEX_op_bswap32_i32:
+ a2 = 0;
+ /* fall through */
+ case INDEX_op_bswap32_i64:
+ tcg_out_opc_imm(s, OPC_REV8, a0, a1, 0);
+ if (a2 & TCG_BSWAP_OZ) {
+ tcg_out_opc_imm(s, OPC_SRLI, a0, a0, 32);
+ } else {
+ tcg_out_opc_imm(s, OPC_SRAI, a0, a0, 32);
+ }
+ break;
+ case INDEX_op_bswap16_i64:
+ case INDEX_op_bswap16_i32:
+ tcg_out_opc_imm(s, OPC_REV8, a0, a1, 0);
+ if (a2 & TCG_BSWAP_OZ) {
+ tcg_out_opc_imm(s, OPC_SRLI, a0, a0, 48);
+ } else {
+ tcg_out_opc_imm(s, OPC_SRAI, a0, a0, 48);
+ }
+ 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);
@@ -1608,6 +1632,11 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
case INDEX_op_extrl_i64_i32:
case INDEX_op_extrh_i64_i32:
case INDEX_op_ext_i32_i64:
+ case INDEX_op_bswap16_i32:
+ case INDEX_op_bswap32_i32:
+ case INDEX_op_bswap16_i64:
+ case INDEX_op_bswap32_i64:
+ case INDEX_op_bswap64_i64:
return C_O1_I1(r, r);
case INDEX_op_st8_i32:
diff --git a/tcg/riscv/tcg-target.h b/tcg/riscv/tcg-target.h
index 317d385924..8e327afc3a 100644
--- a/tcg/riscv/tcg-target.h
+++ b/tcg/riscv/tcg-target.h
@@ -116,8 +116,8 @@ extern bool have_zbb;
#define TCG_TARGET_HAS_ext16s_i32 1
#define TCG_TARGET_HAS_ext8u_i32 1
#define TCG_TARGET_HAS_ext16u_i32 1
-#define TCG_TARGET_HAS_bswap16_i32 0
-#define TCG_TARGET_HAS_bswap32_i32 0
+#define TCG_TARGET_HAS_bswap16_i32 have_zbb
+#define TCG_TARGET_HAS_bswap32_i32 have_zbb
#define TCG_TARGET_HAS_not_i32 1
#define TCG_TARGET_HAS_neg_i32 1
#define TCG_TARGET_HAS_andc_i32 have_zbb
@@ -149,9 +149,9 @@ extern bool have_zbb;
#define TCG_TARGET_HAS_ext8u_i64 1
#define TCG_TARGET_HAS_ext16u_i64 1
#define TCG_TARGET_HAS_ext32u_i64 1
-#define TCG_TARGET_HAS_bswap16_i64 0
-#define TCG_TARGET_HAS_bswap32_i64 0
-#define TCG_TARGET_HAS_bswap64_i64 0
+#define TCG_TARGET_HAS_bswap16_i64 have_zbb
+#define TCG_TARGET_HAS_bswap32_i64 have_zbb
+#define TCG_TARGET_HAS_bswap64_i64 have_zbb
#define TCG_TARGET_HAS_not_i64 1
#define TCG_TARGET_HAS_neg_i64 1
#define TCG_TARGET_HAS_andc_i64 have_zbb