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* [PATCH] driver: drop flag_var_tracking_assignments flag
@ 2023-04-03  8:46 Martin Liška
  2023-04-11  8:26 ` Richard Biener
  0 siblings, 1 reply; 2+ messages in thread
From: Martin Liška @ 2023-04-03  8:46 UTC (permalink / raw)
  To: gcc-patches; +Cc: Richard Biener

The revision r13-259-g76db543db88727 moved a condition from one
file to another, but now we do not drop x_flag_var_tracking_assignments
as it was done before the mentioned revision.

Patch can bootstrap on x86_64-linux-gnu and survives regression tests.

Ready to be installed?
Thanks,
Martin

	PR driver/108241

gcc/ChangeLog:

	* opts.cc (finish_options): Drop also
	  x_flag_var_tracking_assignments.

gcc/testsuite/ChangeLog:

	* gcc.dg/pr108241.c: New test.
	* gcc.dg/pr79570.c: Add also -g option.
---
  gcc/opts.cc                     |  1 +
  gcc/testsuite/gcc.dg/pr108241.c | 63 +++++++++++++++++++++++++++++++++
  gcc/testsuite/gcc.dg/pr79570.c  |  2 +-
  3 files changed, 65 insertions(+), 1 deletion(-)
  create mode 100644 gcc/testsuite/gcc.dg/pr108241.c

diff --git a/gcc/opts.cc b/gcc/opts.cc
index f102c1328b9..fb2e5388ab1 100644
--- a/gcc/opts.cc
+++ b/gcc/opts.cc
@@ -1384,6 +1384,7 @@ finish_options (struct gcc_options *opts, struct gcc_options *opts_set,
  	}
        opts->x_flag_var_tracking = 0;
        opts->x_flag_var_tracking_uninit = 0;
+      opts->x_flag_var_tracking_assignments = 0;
      }
  
    /* One could use EnabledBy, but it would lead to a circular dependency.  */
diff --git a/gcc/testsuite/gcc.dg/pr108241.c b/gcc/testsuite/gcc.dg/pr108241.c
new file mode 100644
index 00000000000..06d210fae68
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr108241.c
@@ -0,0 +1,63 @@
+/* PR driver/108241 */
+/* { dg-options "-Os -frounding-math -fvar-tracking-assignments -fno-dce -fno-trapping-math -fno-tree-dce -fno-tree-dse" } */
+
+long int n1;
+int n2, n3, n4;
+char n5;
+
+void
+foo (long int x1, long int x2, int x3, int x4, int x5, char x6, char x7)
+{
+  char a01 = n2, a02 = x4, a03 = 0;
+  short int a04;
+  unsigned short int a05 = x5;
+  int a06, a07, a08 = a05, a09 = x3, a10 = 0;
+  long int a11, a12 = x4;
+
+  if (x1)
+    {
+      a07 = x6 + (float)0x1000001;
+      a03 = a12 = a01 = a06 = ~0;
+
+      if (x5)
+	a11 = n5;
+    }
+  else
+    {
+      a10 = x3 = n3;
+      if (n3)
+	a06 = a05 = x7;
+    }
+
+  if (n3 < n5)
+    {
+      n4 = (x2 == x4) + !n1;
+      if (n4 % (n1 % x3))
+	{
+	  a04 = n4;
+	  a02 = n2;
+	}
+
+      if (x3)
+	{
+	  a05 = !n1 % n2;
+	  a08 = n1;
+	  a04 = x5 + a06;
+	}
+
+      if (a12)
+	a09 = n3 + n4;
+
+      a12 = a07;
+      n3 = a11 % x1;
+      n5 += x6;
+      n1 = a04;
+    }
+
+  n4 = x2 % x5 % a11;
+  a06 = a10 + a08 % a02 == n4;
+  a09 = a09 == a01 * x7;
+  n4 = x4;
+  a12 += x4 / 0xc000000000000000 + !a03;
+  a03 = !a05;
+}
diff --git a/gcc/testsuite/gcc.dg/pr79570.c b/gcc/testsuite/gcc.dg/pr79570.c
index 00841b9487a..a15be9f201d 100644
--- a/gcc/testsuite/gcc.dg/pr79570.c
+++ b/gcc/testsuite/gcc.dg/pr79570.c
@@ -1,6 +1,6 @@
  /* PR target/79570 */
  /* { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } } */
-/* { dg-options "-O2 -fselective-scheduling2 -fvar-tracking-assignments" } */
+/* { dg-options "-O2 -fselective-scheduling2 -fvar-tracking-assignments -g" } */
  /* { dg-warning "changes selective scheduling" "" { target *-*-* } 0 } */
  
  #include "pr69956.c"
-- 
2.40.0


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] driver: drop flag_var_tracking_assignments flag
  2023-04-03  8:46 [PATCH] driver: drop flag_var_tracking_assignments flag Martin Liška
@ 2023-04-11  8:26 ` Richard Biener
  0 siblings, 0 replies; 2+ messages in thread
From: Richard Biener @ 2023-04-11  8:26 UTC (permalink / raw)
  To: Martin Liška; +Cc: gcc-patches

On Mon, Apr 3, 2023 at 10:46 AM Martin Liška <mliska@suse.cz> wrote:
>
> The revision r13-259-g76db543db88727 moved a condition from one
> file to another, but now we do not drop x_flag_var_tracking_assignments
> as it was done before the mentioned revision.
>
> Patch can bootstrap on x86_64-linux-gnu and survives regression tests.
>
> Ready to be installed?

OK.

> Thanks,
> Martin
>
>         PR driver/108241
>
> gcc/ChangeLog:
>
>         * opts.cc (finish_options): Drop also
>           x_flag_var_tracking_assignments.
>
> gcc/testsuite/ChangeLog:
>
>         * gcc.dg/pr108241.c: New test.
>         * gcc.dg/pr79570.c: Add also -g option.
> ---
>   gcc/opts.cc                     |  1 +
>   gcc/testsuite/gcc.dg/pr108241.c | 63 +++++++++++++++++++++++++++++++++
>   gcc/testsuite/gcc.dg/pr79570.c  |  2 +-
>   3 files changed, 65 insertions(+), 1 deletion(-)
>   create mode 100644 gcc/testsuite/gcc.dg/pr108241.c
>
> diff --git a/gcc/opts.cc b/gcc/opts.cc
> index f102c1328b9..fb2e5388ab1 100644
> --- a/gcc/opts.cc
> +++ b/gcc/opts.cc
> @@ -1384,6 +1384,7 @@ finish_options (struct gcc_options *opts, struct gcc_options *opts_set,
>         }
>         opts->x_flag_var_tracking = 0;
>         opts->x_flag_var_tracking_uninit = 0;
> +      opts->x_flag_var_tracking_assignments = 0;
>       }
>
>     /* One could use EnabledBy, but it would lead to a circular dependency.  */
> diff --git a/gcc/testsuite/gcc.dg/pr108241.c b/gcc/testsuite/gcc.dg/pr108241.c
> new file mode 100644
> index 00000000000..06d210fae68
> --- /dev/null
> +++ b/gcc/testsuite/gcc.dg/pr108241.c
> @@ -0,0 +1,63 @@
> +/* PR driver/108241 */
> +/* { dg-options "-Os -frounding-math -fvar-tracking-assignments -fno-dce -fno-trapping-math -fno-tree-dce -fno-tree-dse" } */
> +
> +long int n1;
> +int n2, n3, n4;
> +char n5;
> +
> +void
> +foo (long int x1, long int x2, int x3, int x4, int x5, char x6, char x7)
> +{
> +  char a01 = n2, a02 = x4, a03 = 0;
> +  short int a04;
> +  unsigned short int a05 = x5;
> +  int a06, a07, a08 = a05, a09 = x3, a10 = 0;
> +  long int a11, a12 = x4;
> +
> +  if (x1)
> +    {
> +      a07 = x6 + (float)0x1000001;
> +      a03 = a12 = a01 = a06 = ~0;
> +
> +      if (x5)
> +       a11 = n5;
> +    }
> +  else
> +    {
> +      a10 = x3 = n3;
> +      if (n3)
> +       a06 = a05 = x7;
> +    }
> +
> +  if (n3 < n5)
> +    {
> +      n4 = (x2 == x4) + !n1;
> +      if (n4 % (n1 % x3))
> +       {
> +         a04 = n4;
> +         a02 = n2;
> +       }
> +
> +      if (x3)
> +       {
> +         a05 = !n1 % n2;
> +         a08 = n1;
> +         a04 = x5 + a06;
> +       }
> +
> +      if (a12)
> +       a09 = n3 + n4;
> +
> +      a12 = a07;
> +      n3 = a11 % x1;
> +      n5 += x6;
> +      n1 = a04;
> +    }
> +
> +  n4 = x2 % x5 % a11;
> +  a06 = a10 + a08 % a02 == n4;
> +  a09 = a09 == a01 * x7;
> +  n4 = x4;
> +  a12 += x4 / 0xc000000000000000 + !a03;
> +  a03 = !a05;
> +}
> diff --git a/gcc/testsuite/gcc.dg/pr79570.c b/gcc/testsuite/gcc.dg/pr79570.c
> index 00841b9487a..a15be9f201d 100644
> --- a/gcc/testsuite/gcc.dg/pr79570.c
> +++ b/gcc/testsuite/gcc.dg/pr79570.c
> @@ -1,6 +1,6 @@
>   /* PR target/79570 */
>   /* { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } } */
> -/* { dg-options "-O2 -fselective-scheduling2 -fvar-tracking-assignments" } */
> +/* { dg-options "-O2 -fselective-scheduling2 -fvar-tracking-assignments -g" } */
>   /* { dg-warning "changes selective scheduling" "" { target *-*-* } 0 } */
>
>   #include "pr69956.c"
> --
> 2.40.0
>

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2023-04-03  8:46 [PATCH] driver: drop flag_var_tracking_assignments flag Martin Liška
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