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tcg/loongarch64: Implement deposit/extract ops 

Signed-off-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211221054105.178795-14-git@xen0n.name>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
staging
WANG Xuerui 2021-12-21 13:40:47 +08:00 committed by Richard Henderson
parent 97b2fafbf7
commit 7257809f62
3 changed files with 26 additions and 4 deletions
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1
tcg/loongarch64/tcg-target-con-set.h
View File

@ -18,3 +18,4 @@ C_O0_I1(r)
C_O1_I1(r, r)
C_O1_I2(r, r, rC)
C_O1_I2(r, r, rU)
C_O1_I2(r, 0, rZ)

21
tcg/loongarch64/tcg-target.c.inc
View File

@ -531,6 +531,20 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
}
break;
case INDEX_op_extract_i32:
tcg_out_opc_bstrpick_w(s, a0, a1, a2, a2 + args[3] - 1);
break;
case INDEX_op_extract_i64:
tcg_out_opc_bstrpick_d(s, a0, a1, a2, a2 + args[3] - 1);
break;
case INDEX_op_deposit_i32:
tcg_out_opc_bstrins_w(s, a0, a2, args[3], args[3] + args[4] - 1);
break;
case INDEX_op_deposit_i64:
tcg_out_opc_bstrins_d(s, a0, a2, args[3], args[3] + args[4] - 1);
break;
case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
case INDEX_op_mov_i64:
default:
@ -560,6 +574,8 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
case INDEX_op_ext_i32_i64:
case INDEX_op_not_i32:
case INDEX_op_not_i64:
case INDEX_op_extract_i32:
case INDEX_op_extract_i64:
return C_O1_I1(r, r);
case INDEX_op_andc_i32:
@ -584,6 +600,11 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
/* LoongArch reg-imm bitops have their imms ZERO-extended */
return C_O1_I2(r, r, rU);
case INDEX_op_deposit_i32:
case INDEX_op_deposit_i64:
/* Must deposit into the same register as input */
return C_O1_I2(r, 0, rZ);
default:
g_assert_not_reached();
}

8
tcg/loongarch64/tcg-target.h
View File

@ -97,8 +97,8 @@ typedef enum {
#define TCG_TARGET_HAS_rem_i32 0
#define TCG_TARGET_HAS_div2_i32 0
#define TCG_TARGET_HAS_rot_i32 0
#define TCG_TARGET_HAS_deposit_i32 0
#define TCG_TARGET_HAS_extract_i32 0
#define TCG_TARGET_HAS_deposit_i32 1
#define TCG_TARGET_HAS_extract_i32 1
#define TCG_TARGET_HAS_sextract_i32 0
#define TCG_TARGET_HAS_extract2_i32 0
#define TCG_TARGET_HAS_add2_i32 0
@ -134,8 +134,8 @@ typedef enum {
#define TCG_TARGET_HAS_rem_i64 0
#define TCG_TARGET_HAS_div2_i64 0
#define TCG_TARGET_HAS_rot_i64 0
#define TCG_TARGET_HAS_deposit_i64 0
#define TCG_TARGET_HAS_extract_i64 0
#define TCG_TARGET_HAS_deposit_i64 1
#define TCG_TARGET_HAS_extract_i64 1
#define TCG_TARGET_HAS_sextract_i64 0
#define TCG_TARGET_HAS_extract2_i64 0
#define TCG_TARGET_HAS_extrl_i64_i32 1