Module Name:    src
Committed By:   kalvisd
Date:           Sun Sep 29 04:33:07 UTC 2024

Modified Files:
        src/external/gpl3/gcc/dist/gcc/config/vax: vax.cc vax.md

Log Message:
gcc: vax:

    Add a special case to the zero_extract instruction to handle the case
    where 32 bits are requested (i.e. the entire word).  When printing a
    mask operand, avoid generating values that might overflow a 32 bit
    word

    OK rin@


To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/external/gpl3/gcc/dist/gcc/config/vax/vax.cc
cvs rdiff -u -r1.19 -r1.20 src/external/gpl3/gcc/dist/gcc/config/vax/vax.md

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/external/gpl3/gcc/dist/gcc/config/vax/vax.cc
diff -u src/external/gpl3/gcc/dist/gcc/config/vax/vax.cc:1.4 src/external/gpl3/gcc/dist/gcc/config/vax/vax.cc:1.5
--- src/external/gpl3/gcc/dist/gcc/config/vax/vax.cc:1.4	Sun Sep 29 04:25:16 2024
+++ src/external/gpl3/gcc/dist/gcc/config/vax/vax.cc	Sun Sep 29 04:33:07 2024
@@ -569,7 +569,7 @@ print_operand (FILE *file, rtx x, int co
   else if (code == 'b' && CONST_INT_P (x))
     fprintf (file, "$%d", (int) (0xff & - INTVAL (x)));
   else if (code == 'M' && CONST_INT_P (x))
-    fprintf (file, "$%d", ~((1 << INTVAL (x)) - 1));
+    fprintf (file, "$%d", ((unsigned int)(~0) << (INTVAL (x))));
   else if (code == 'x' && CONST_INT_P (x))
     fprintf (file, HOST_WIDE_INT_PRINT_HEX, INTVAL (x));
   else if (REG_P (x))

Index: src/external/gpl3/gcc/dist/gcc/config/vax/vax.md
diff -u src/external/gpl3/gcc/dist/gcc/config/vax/vax.md:1.19 src/external/gpl3/gcc/dist/gcc/config/vax/vax.md:1.20
--- src/external/gpl3/gcc/dist/gcc/config/vax/vax.md:1.19	Sun Sep 29 04:25:16 2024
+++ src/external/gpl3/gcc/dist/gcc/config/vax/vax.md	Sun Sep 29 04:33:07 2024
@@ -2000,7 +2000,14 @@
   if (INTVAL (operands[3]) & 31)
     return \"rotl %R3,%1,%0\;bicl2 %M2,%0\";
   if (rtx_equal_p (operands[0], operands[1]))
-    return \"bicl2 %M2,%0\";
+    {
+      if (INTVAL (operands[2]) == 32)
+	return \"\";  /* no-op */
+      else
+	return \"bicl2 %M2,%0\";
+    }
+  if (INTVAL (operands[2]) == 32)
+    return \"movl %1,%0\";
   return \"bicl3 %M2,%1,%0\";
 }")
 

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