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authorTaylor Simpson <tsimpson@quicinc.com>2021-04-08 20:07:30 -0500
committerRichard Henderson <richard.henderson@linaro.org>2021-05-01 08:31:43 -0700
commitedf26ade436f69c170e7eec77d4b5d1d2db78d3f (patch)
tree0700ea4a9a994e234b28cd9de01b727544511a35 /target/hexagon
parentd799f8ad08742e9c042e208d970febf87a2c4901 (diff)
Hexagon (target/hexagon) cleanup gen_log_predicated_reg_write_pair
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>
Diffstat (limited to 'target/hexagon')
-rw-r--r--target/hexagon/genptr.c27
1 files 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);
}