From: Lokesh Janghel <lokeshjanghel91@gmail.com>
To: JonY <10walls@gmail.com>
Cc: Uros Bizjak <ubizjak@gmail.com>, Jakub Jelinek <jakub@redhat.com>,
mateuszb@poczta.onet.pl,
"gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
Subject: Re: [Patch] Bug 88521 - gcc 9.0 from r266355 miscompile x265 for mingw-w64 target
Date: Wed, 26 Dec 2018 16:19:00 -0000 [thread overview]
Message-ID: <CACcU4_qAPCjELr-KTAiR3gZVa96zy5mQf_CUcCRvX1Umcr4Xwg@mail.gmail.com> (raw)
In-Reply-To: <378e40d9-01d3-0d28-f6d3-c982b0cd47d3@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 767 bytes --]
Hi,
Here is the patch for the issue.
Please let me know your thoughts.
On Fri, Dec 21, 2018 at 3:16 PM JonY <10walls@gmail.com> wrote:
>
> On 12/21/18 9:08 AM, Uros Bizjak wrote:
> > On Thu, Dec 20, 2018 at 1:09 PM Jakub Jelinek <jakub@redhat.com> wrote:
> >>
> >> On Thu, Dec 20, 2018 at 01:42:15PM +0530, Lokesh Janghel wrote:
> >>> Hi Mateuszb,
> >>>
> >>> I tested with your proposition patch and it is working right.
> >>> I also added the patch with test case.
> >>> Please let me know your thoughts/suggestions.
> >>
> >> ChangeLog entry is missing, please write it (and mention there
> >> Mateusz's name/mail as he wrote the i386.c part).
> >>
>
> Patch looks good to me, but please add a ChangeLog.
>
>
--
Thanks & Regards
Lokesh Janghel
+91-9752984749
[-- Attachment #2: 88521.patch --]
[-- Type: application/octet-stream, Size: 2158 bytes --]
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 12e8f05..21067f3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-12-26 Mateusz B <mateuszb@poczta.onet.pl>
+
+ PR target/88521
+ * config/i386/i386.c (function_value_ms_64): Return small sturct in
+ AX_REG and float/double in FIRST_SSE_REG for 4 or 8 byte modes.
+
2018-12-19 Bin Cheng <bin.cheng@linux.alibaba.com>
* auto-profile.c (afdo_indirect_call): Skip generating histogram
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index b3c8676..e54c489 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -9063,6 +9063,13 @@ function_value_ms_64 (machine_mode orig_mode, machine_mode mode,
&& !COMPLEX_MODE_P (mode))
regno = FIRST_SSE_REG;
break;
+ case 8:
+ case 4:
+ if (valtype != NULL_TREE && AGGREGATE_TYPE_P (valtype))
+ break;
+ if (mode == SFmode || mode == DFmode)
+ regno = FIRST_SSE_REG;
+ break;
default:
break;
}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 188b6c5..f4b3400 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-12-26 Mateusz B <mateuszb@poczta.onet.pl>
+
+ PR target/88521
+ * gcc.target/i386/pr88521.c: New testcase.
+
2018-12-18 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/87759
diff --git a/gcc/testsuite/gcc.target/i386/pr88521.c b/gcc/testsuite/gcc.target/i386/pr88521.c
new file mode 100644
index 0000000..f42703a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr88521.c
@@ -0,0 +1,30 @@
+/* { dg-do compile { target lp64 } } */
+/* { dg-options "-O2" } */
+/* { dg-final { scan-assembler-times "movl\[^\n\r]*, %eax|mov\[ \t]*eax," 1 } } */
+/* { dg-final { scan-assembler-times "movss\[^\n\r]*, %xmm" 1 } } */
+/* { dg-final { scan-assembler-times "movsd\[^\n\r]*, %xmm" 1 } } */
+typedef struct
+{
+ float x;
+} Float;
+
+Float __attribute__((ms_abi)) fn1()
+{
+ Float v;
+ v.x = 3.145F;
+ return v;
+}
+
+float __attribute__((ms_abi)) fn2 ()
+{
+ float v;
+ v = 3.145F;
+ return v;
+}
+
+double __attribute__((ms_abi)) fn3 ()
+{
+ double v;
+ v = 3.145;
+ return v;
+}
next prev parent reply other threads:[~2018-12-26 13:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-20 8:12 Lokesh Janghel
2018-12-20 8:31 ` Mateusz
2018-12-20 12:16 ` Jakub Jelinek
2018-12-21 9:14 ` Uros Bizjak
2018-12-21 9:15 ` Jakub Jelinek
2018-12-21 10:05 ` JonY
2018-12-26 16:19 ` Lokesh Janghel [this message]
2018-12-29 2:34 ` JonY
2019-01-07 7:31 ` Martin Liška
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