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authorFeiyang Chen <chris.chenfeiyang@gmail.com>2024-06-28 13:33:57 +1000
committerSong Gao <gaosong@loongson.cn>2024-07-12 09:41:18 +0800
commit785875874da1f419c09016b0fcea5e756caaa00c (patch)
tree9d47ab93745c527717224ce3cc944c51a7e4e6e4
parentd38e31ef740d102020d1b14b5a2becd4336b462d (diff)
downloadfocaccia-qemu-785875874da1f419c09016b0fcea5e756caaa00c.tar.gz
focaccia-qemu-785875874da1f419c09016b0fcea5e756caaa00c.zip
target/loongarch: Remove avail_64 in trans_srai_w() and simplify it
Since srai.w is a valid instruction on la32, remove the avail_64 check
and simplify trans_srai_w().

Fixes: c0c0461e3a06 ("target/loongarch: Add avail_64 to check la64-only instructions")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Feiyang Chen <chris.chenfeiyang@gmail.com>
Message-Id: <20240628033357.50027-1-chris.chenfeiyang@gmail.com>
Signed-off-by: Song Gao <gaosong@loongson.cn>
-rw-r--r--target/loongarch/tcg/insn_trans/trans_shift.c.inc15
1 files changed, 3 insertions, 12 deletions
diff --git a/target/loongarch/tcg/insn_trans/trans_shift.c.inc b/target/loongarch/tcg/insn_trans/trans_shift.c.inc
index 2f4bd6ff28..377307785a 100644
--- a/target/loongarch/tcg/insn_trans/trans_shift.c.inc
+++ b/target/loongarch/tcg/insn_trans/trans_shift.c.inc
@@ -67,19 +67,9 @@ static void gen_rotr_d(TCGv dest, TCGv src1, TCGv src2)
     tcg_gen_rotr_tl(dest, src1, t0);
 }
 
-static bool trans_srai_w(DisasContext *ctx, arg_srai_w *a)
+static void gen_sari_w(TCGv dest, TCGv src1, target_long imm)
 {
-    TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE);
-    TCGv src1 = gpr_src(ctx, a->rj, EXT_ZERO);
-
-    if (!avail_64(ctx)) {
-        return false;
-    }
-
-    tcg_gen_sextract_tl(dest, src1, a->imm, 32 - a->imm);
-    gen_set_gpr(a->rd, dest, EXT_NONE);
-
-    return true;
+    tcg_gen_sextract_tl(dest, src1, imm, 32 - imm);
 }
 
 TRANS(sll_w, ALL, gen_rrr, EXT_ZERO, EXT_NONE, EXT_SIGN, gen_sll_w)
@@ -94,6 +84,7 @@ TRANS(slli_w, ALL, gen_rri_c, EXT_NONE, EXT_SIGN, tcg_gen_shli_tl)
 TRANS(slli_d, 64, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_shli_tl)
 TRANS(srli_w, ALL, gen_rri_c, EXT_ZERO, EXT_SIGN, tcg_gen_shri_tl)
 TRANS(srli_d, 64, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_shri_tl)
+TRANS(srai_w, ALL, gen_rri_c, EXT_NONE, EXT_NONE, gen_sari_w)
 TRANS(srai_d, 64, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_sari_tl)
 TRANS(rotri_w, 64, gen_rri_v, EXT_NONE, EXT_NONE, gen_rotr_w)
 TRANS(rotri_d, 64, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_rotri_tl)