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From: juzhe.zhong@rivai.ai
To: gcc-patches@gcc.gnu.org
Cc: richard.sandiford@arm.com, kito.cheng@gmail.com,
	zhongjuzhe <juzhe.zhong@rivai.ai>
Subject: [PATCH] middle-end: Fix issue of poly_uint16 (1, 1) in self test
Date: Mon, 22 Aug 2022 17:09:41 +0800	[thread overview]
Message-ID: <20220822090941.131517-1-juzhe.zhong@rivai.ai> (raw)

From: zhongjuzhe <juzhe.zhong@rivai.ai>

This patch fix issue of poly_uint16 (1, 1) in machine mode self test.

gcc/ChangeLog:

        * simplify-rtx.cc (test_vector_subregs_fore_back): Make first value and repeat value different.

---
 gcc/simplify-rtx.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/simplify-rtx.cc b/gcc/simplify-rtx.cc
index 7d09bf7103d..fc0d6c3ca2a 100644
--- a/gcc/simplify-rtx.cc
+++ b/gcc/simplify-rtx.cc
@@ -8434,7 +8434,7 @@ test_vector_subregs_fore_back (machine_mode inner_mode)
   for (unsigned int i = 0; i < count; ++i)
     builder.quick_push (gen_int_mode (i, int_mode));
   for (unsigned int i = 0; i < count; ++i)
-    builder.quick_push (gen_int_mode (-(int) i, int_mode));
+    builder.quick_push (gen_int_mode (-1 - (int) i, int_mode));
   rtx x = builder.build ();
 
   test_vector_subregs_modes (x);
-- 
2.36.1


             reply	other threads:[~2022-08-22  9:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-22  9:09 juzhe.zhong [this message]
2022-08-22  9:16 ` Richard Sandiford

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