From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, Taylor Simpson <tsimpson@quicinc.com>
Subject: [PULL 07/31] Hexagon (target/hexagon) cleanup gen_log_predicated_reg_write_pair
Date: Sat, 1 May 2021 11:43:00 -0700 [thread overview]
Message-ID: <20210501184324.1338186-8-richard.henderson@linaro.org> (raw)
In-Reply-To: <20210501184324.1338186-1-richard.henderson@linaro.org>
From: Taylor Simpson <tsimpson@quicinc.com>
Similar to previous cleanup of gen_log_predicated_reg_write
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-3-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/hexagon/genptr.c | 27 +++++++++++++--------------
1 file changed, 13 insertions(+), 14 deletions(-)
diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c
index 87f5d92994..07d970fc6c 100644
--- a/target/hexagon/genptr.c
+++ b/target/hexagon/genptr.c
@@ -69,36 +69,35 @@ static inline void gen_log_reg_write(int rnum, TCGv val)
static void gen_log_predicated_reg_write_pair(int rnum, TCGv_i64 val, int slot)
{
TCGv val32 = tcg_temp_new();
- TCGv one = tcg_const_tl(1);
TCGv zero = tcg_const_tl(0);
TCGv slot_mask = tcg_temp_new();
tcg_gen_andi_tl(slot_mask, hex_slot_cancelled, 1 << slot);
/* Low word */
tcg_gen_extrl_i64_i32(val32, val);
- tcg_gen_movcond_tl(TCG_COND_EQ, hex_new_value[rnum], slot_mask, zero,
- val32, hex_new_value[rnum]);
-#if HEX_DEBUG
- /* Do this so HELPER(debug_commit_end) will know */
- tcg_gen_movcond_tl(TCG_COND_EQ, hex_reg_written[rnum],
+ tcg_gen_movcond_tl(TCG_COND_EQ, hex_new_value[rnum],
slot_mask, zero,
- one, hex_reg_written[rnum]);
-#endif
-
+ val32, hex_new_value[rnum]);
/* High word */
tcg_gen_extrh_i64_i32(val32, val);
tcg_gen_movcond_tl(TCG_COND_EQ, hex_new_value[rnum + 1],
slot_mask, zero,
val32, hex_new_value[rnum + 1]);
#if HEX_DEBUG
- /* Do this so HELPER(debug_commit_end) will know */
- tcg_gen_movcond_tl(TCG_COND_EQ, hex_reg_written[rnum + 1],
- slot_mask, zero,
- one, hex_reg_written[rnum + 1]);
+ /*
+ * Do this so HELPER(debug_commit_end) will know
+ *
+ * Note that slot_mask indicates the value is not written
+ * (i.e., slot was cancelled), so we create a true/false value before
+ * or'ing with hex_reg_written[rnum].
+ */
+ tcg_gen_setcond_tl(TCG_COND_EQ, slot_mask, slot_mask, zero);
+ tcg_gen_or_tl(hex_reg_written[rnum], hex_reg_written[rnum], slot_mask);
+ tcg_gen_or_tl(hex_reg_written[rnum + 1], hex_reg_written[rnum + 1],
+ slot_mask);
#endif
tcg_temp_free(val32);
- tcg_temp_free(one);
tcg_temp_free(zero);
tcg_temp_free(slot_mask);
}
--
2.25.1
next prev parent reply other threads:[~2021-05-01 18:46 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-01 18:42 [PULL 00/31] target/hexagon patch queue Richard Henderson
2021-05-01 18:42 ` [PULL 01/31] target/hexagon: translation changes Richard Henderson
2021-05-01 18:42 ` [PULL 02/31] target/hexagon: remove unnecessary checks in find_iclass_slots Richard Henderson
2021-05-01 18:42 ` [PULL 03/31] target/hexagon: Change DECODE_MAPPED_REG operand name to OPNUM Richard Henderson
2021-05-01 18:42 ` [PULL 04/31] target/hexagon: fix typo in comment Richard Henderson
2021-05-01 18:42 ` [PULL 05/31] target/hexagon: remove unnecessary semicolons Richard Henderson
2021-05-01 18:42 ` [PULL 06/31] Hexagon (target/hexagon) TCG generation cleanup Richard Henderson
2021-05-01 18:43 ` Richard Henderson [this message]
2021-05-01 18:43 ` [PULL 08/31] Hexagon (target/hexagon) remove unnecessary inline directives Richard Henderson
2021-05-01 18:43 ` [PULL 09/31] Hexagon (target/hexagon) use env_archcpu and env_cpu Richard Henderson
2021-05-01 18:43 ` [PULL 10/31] Hexagon (target/hexagon) properly generate TB end for DISAS_NORETURN Richard Henderson
2021-05-01 18:43 ` [PULL 11/31] Hexagon (target/hexagon) decide if pred has been written at TCG gen time Richard Henderson
2021-05-01 18:43 ` [PULL 12/31] Hexagon (target/hexagon) change variables from int to bool when appropriate Richard Henderson
2021-05-01 18:43 ` [PULL 13/31] Hexagon (target/hexagon) remove unused carry_from_add64 function Richard Henderson
2021-05-01 18:43 ` [PULL 14/31] Hexagon (target/hexagon) change type of softfloat_roundingmodes Richard Henderson
2021-05-01 18:43 ` [PULL 15/31] Hexagon (target/hexagon) use softfloat default NaN and tininess Richard Henderson
2021-05-01 18:43 ` [PULL 16/31] Hexagon (target/hexagon) replace float32_mul_pow2 with float32_scalbn Richard Henderson
2021-05-01 18:43 ` [PULL 17/31] Hexagon (target/hexagon) use softfloat for float-to-int conversions Richard Henderson
2021-05-01 18:43 ` [PULL 18/31] Hexagon (target/hexagon) cleanup ternary operators in semantics Richard Henderson
2021-05-01 18:43 ` [PULL 19/31] Hexagon (target/hexagon) cleanup reg_field_info definition Richard Henderson
2021-05-01 18:43 ` [PULL 20/31] Hexagon (target/hexagon) move QEMU_GENERATE to only be on during macros.h Richard Henderson
2021-05-01 18:43 ` [PULL 21/31] Hexagon (target/hexagon) compile all debug code Richard Henderson
2021-05-01 18:43 ` [PULL 22/31] Hexagon (target/hexagon) add F2_sfrecipa instruction Richard Henderson
2021-05-01 18:43 ` [PULL 23/31] Hexagon (target/hexagon) add F2_sfinvsqrta Richard Henderson
2021-05-01 18:43 ` [PULL 24/31] Hexagon (target/hexagon) add A5_ACS (vacsh) Richard Henderson
2021-05-01 18:43 ` [PULL 25/31] Hexagon (target/hexagon) add A6_vminub_RdP Richard Henderson
2021-05-01 18:43 ` [PULL 26/31] Hexagon (target/hexagon) add A4_addp_c/A4_subp_c Richard Henderson
2021-05-01 18:43 ` [PULL 27/31] Hexagon (target/hexagon) circular addressing Richard Henderson
2021-05-01 18:43 ` [PULL 28/31] Hexagon (target/hexagon) bit reverse (brev) addressing Richard Henderson
2021-05-01 18:43 ` [PULL 29/31] Hexagon (target/hexagon) load and unpack bytes instructions Richard Henderson
2021-05-01 18:43 ` [PULL 30/31] Hexagon (target/hexagon) load into shifted register instructions Richard Henderson
2021-05-01 18:43 ` [PULL 31/31] Hexagon (target/hexagon) CABAC decode bin Richard Henderson
2021-05-01 20:40 ` [PULL 00/31] target/hexagon patch queue Peter Maydell
2021-05-01 22:31 ` Richard Henderson
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