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[PATCH v2 12/23] target/loongarch: Scrutinise TCG bitops translation for
From: |
Jiaxun Yang |
Subject: |
[PATCH v2 12/23] target/loongarch: Scrutinise TCG bitops translation for 32 bit build |
Date: |
Thu, 26 Dec 2024 21:19:43 +0000 |
Use tl variant whenever possible.
Silent compiler warnings by performing casting for come consts.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
target/loongarch/tcg/insn_trans/trans_bit.c.inc | 34 ++++++++++++++-----------
1 file changed, 19 insertions(+), 15 deletions(-)
diff --git a/target/loongarch/tcg/insn_trans/trans_bit.c.inc
b/target/loongarch/tcg/insn_trans/trans_bit.c.inc
index
ee5fa003ce06a1910f826c3eb96d1d532c32e02c..a40346a670be31a123848e8ea5f7b94f8372976b
100644
--- a/target/loongarch/tcg/insn_trans/trans_bit.c.inc
+++ b/target/loongarch/tcg/insn_trans/trans_bit.c.inc
@@ -18,13 +18,17 @@ static bool gen_rr(DisasContext *ctx, arg_rr *a,
static void gen_bytepick_w(TCGv dest, TCGv src1, TCGv src2, target_long sa)
{
+#ifdef TARGET_LOONGARCH64
tcg_gen_concat_tl_i64(dest, src1, src2);
tcg_gen_sextract_i64(dest, dest, (32 - sa * 8), 32);
+#else
+ tcg_gen_extract2_tl(dest, src1, src2, (32 - sa * 8));
+#endif
}
static void gen_bytepick_d(TCGv dest, TCGv src1, TCGv src2, target_long sa)
{
- tcg_gen_extract2_i64(dest, src1, src2, (64 - sa * 8));
+ tcg_gen_extract2_tl(dest, src1, src2, (64 - sa * 8));
}
static bool gen_bstrins(DisasContext *ctx, arg_rr_ms_ls *a,
@@ -85,7 +89,7 @@ static void gen_cto_w(TCGv dest, TCGv src1)
static void gen_clz_d(TCGv dest, TCGv src1)
{
- tcg_gen_clzi_i64(dest, src1, TARGET_LONG_BITS);
+ tcg_gen_clzi_tl(dest, src1, TARGET_LONG_BITS);
}
static void gen_clo_d(TCGv dest, TCGv src1)
@@ -107,8 +111,8 @@ static void gen_cto_d(TCGv dest, TCGv src1)
static void gen_revb_2w(TCGv dest, TCGv src1)
{
- tcg_gen_bswap64_i64(dest, src1);
- tcg_gen_rotri_i64(dest, dest, 32);
+ tcg_gen_bswap_tl(dest, src1);
+ tcg_gen_rotri_tl(dest, dest, 32);
}
static void gen_revb_2h(TCGv dest, TCGv src1)
@@ -126,7 +130,7 @@ static void gen_revb_2h(TCGv dest, TCGv src1)
static void gen_revb_4h(TCGv dest, TCGv src1)
{
- TCGv mask = tcg_constant_tl(0x00FF00FF00FF00FFULL);
+ TCGv mask = tcg_constant_tl((target_ulong)0x00FF00FF00FF00FFULL);
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
@@ -139,22 +143,22 @@ static void gen_revb_4h(TCGv dest, TCGv src1)
static void gen_revh_2w(TCGv dest, TCGv src1)
{
- TCGv_i64 t0 = tcg_temp_new_i64();
- TCGv_i64 t1 = tcg_temp_new_i64();
- TCGv_i64 mask = tcg_constant_i64(0x0000ffff0000ffffull);
+ TCGv t0 = tcg_temp_new();
+ TCGv t1 = tcg_temp_new();
+ TCGv mask = tcg_constant_tl((target_ulong)0x0000ffff0000ffffull);
- tcg_gen_shri_i64(t0, src1, 16);
- tcg_gen_and_i64(t1, src1, mask);
- tcg_gen_and_i64(t0, t0, mask);
- tcg_gen_shli_i64(t1, t1, 16);
- tcg_gen_or_i64(dest, t1, t0);
+ tcg_gen_shri_tl(t0, src1, 16);
+ tcg_gen_and_tl(t1, src1, mask);
+ tcg_gen_and_tl(t0, t0, mask);
+ tcg_gen_shli_tl(t1, t1, 16);
+ tcg_gen_or_tl(dest, t1, t0);
}
static void gen_revh_d(TCGv dest, TCGv src1)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
- TCGv mask = tcg_constant_tl(0x0000FFFF0000FFFFULL);
+ TCGv mask = tcg_constant_tl((target_ulong)0x0000FFFF0000FFFFULL);
tcg_gen_shri_tl(t1, src1, 16);
tcg_gen_and_tl(t1, t1, mask);
@@ -191,7 +195,7 @@ TRANS(ctz_d, 64, gen_rr, EXT_NONE, EXT_NONE, gen_ctz_d)
TRANS(revb_2h, ALL, gen_rr, EXT_NONE, EXT_SIGN, gen_revb_2h)
TRANS(revb_4h, 64, gen_rr, EXT_NONE, EXT_NONE, gen_revb_4h)
TRANS(revb_2w, 64, gen_rr, EXT_NONE, EXT_NONE, gen_revb_2w)
-TRANS(revb_d, 64, gen_rr, EXT_NONE, EXT_NONE, tcg_gen_bswap64_i64)
+TRANS(revb_d, 64, gen_rr, EXT_NONE, EXT_NONE, tcg_gen_bswap_tl)
TRANS(revh_2w, 64, gen_rr, EXT_NONE, EXT_NONE, gen_revh_2w)
TRANS(revh_d, 64, gen_rr, EXT_NONE, EXT_NONE, gen_revh_d)
TRANS(bitrev_4b, ALL, gen_rr, EXT_ZERO, EXT_SIGN, gen_helper_bitswap)
--
2.43.0