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author | Song Gao <gaosong@loongson.cn> | 2022-09-30 10:45:08 +0800 |
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committer | Song Gao <gaosong@loongson.cn> | 2022-10-17 10:28:35 +0800 |
commit | 68e35a2b75eaf1a55a83bb0b102aeb017ab44e06 (patch) | |
tree | 096391c33a0f667b37987e7a950c33ce7e5055b8 | |
parent | 5c2439a92ce4a1c5a53070bd803d6f7647e702ca (diff) | |
download | qemu-68e35a2b75eaf1a55a83bb0b102aeb017ab44e06.zip qemu-68e35a2b75eaf1a55a83bb0b102aeb017ab44e06.tar.gz qemu-68e35a2b75eaf1a55a83bb0b102aeb017ab44e06.tar.bz2 |
target/loongarch: bstrins.w src register need EXT_NONE
use gen_bstrins/gen_bstrpic to replace gen_rr_ms_ls.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220930024510.800005-2-gaosong@loongson.cn>
-rw-r--r-- | target/loongarch/insn_trans/trans_bit.c.inc | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/target/loongarch/insn_trans/trans_bit.c.inc b/target/loongarch/insn_trans/trans_bit.c.inc index 9337714..b01e4ae 100644 --- a/target/loongarch/insn_trans/trans_bit.c.inc +++ b/target/loongarch/insn_trans/trans_bit.c.inc @@ -27,26 +27,34 @@ static void gen_bytepick_d(TCGv dest, TCGv src1, TCGv src2, target_long sa) tcg_gen_extract2_i64(dest, src1, src2, (64 - sa * 8)); } -static void gen_bstrins(TCGv dest, TCGv src1, - unsigned int ls, unsigned int len) +static bool gen_bstrins(DisasContext *ctx, arg_rr_ms_ls *a, + DisasExtend dst_ext) { - tcg_gen_deposit_tl(dest, dest, src1, ls, len); + TCGv src1 = gpr_src(ctx, a->rd, EXT_NONE); + TCGv src2 = gpr_src(ctx, a->rj, EXT_NONE); + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + + if (a->ls > a->ms) { + return false; + } + + tcg_gen_deposit_tl(dest, src1, src2, a->ls, a->ms - a->ls + 1); + gen_set_gpr(a->rd, dest, dst_ext); + return true; } -static bool gen_rr_ms_ls(DisasContext *ctx, arg_rr_ms_ls *a, - DisasExtend src_ext, DisasExtend dst_ext, - void (*func)(TCGv, TCGv, unsigned int, unsigned int)) +static bool gen_bstrpick(DisasContext *ctx, arg_rr_ms_ls *a, + DisasExtend dst_ext) { - TCGv dest = gpr_dst(ctx, a->rd, dst_ext); - TCGv src1 = gpr_src(ctx, a->rj, src_ext); + TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE); + TCGv src1 = gpr_src(ctx, a->rj, EXT_NONE); if (a->ls > a->ms) { return false; } - func(dest, src1, a->ls, a->ms - a->ls + 1); + tcg_gen_extract_tl(dest, src1, a->ls, a->ms - a->ls + 1); gen_set_gpr(a->rd, dest, dst_ext); - return true; } @@ -206,7 +214,7 @@ TRANS(maskeqz, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_maskeqz) TRANS(masknez, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_masknez) TRANS(bytepick_w, gen_rrr_sa, EXT_NONE, EXT_NONE, gen_bytepick_w) TRANS(bytepick_d, gen_rrr_sa, EXT_NONE, EXT_NONE, gen_bytepick_d) -TRANS(bstrins_w, gen_rr_ms_ls, EXT_NONE, EXT_NONE, gen_bstrins) -TRANS(bstrins_d, gen_rr_ms_ls, EXT_NONE, EXT_NONE, gen_bstrins) -TRANS(bstrpick_w, gen_rr_ms_ls, EXT_NONE, EXT_SIGN, tcg_gen_extract_tl) -TRANS(bstrpick_d, gen_rr_ms_ls, EXT_NONE, EXT_NONE, tcg_gen_extract_tl) +TRANS(bstrins_w, gen_bstrins, EXT_SIGN) +TRANS(bstrins_d, gen_bstrins, EXT_NONE) +TRANS(bstrpick_w, gen_bstrpick, EXT_SIGN) +TRANS(bstrpick_d, gen_bstrpick, EXT_NONE) |