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From f883ac209b0feea860354cb4ef7ff06dc8063fab Mon Sep 17 00:00:00 2001
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From: Mark Eggleston <markeggleston@gcc.gnu.org>
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Date: Fri, 22 Jan 2021 12:53:35 +0000
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Subject: [PATCH 03/10] Allow more than one character as argument to ICHAR
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Use -fdec to enable.
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---
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gcc/fortran/check.c | 2 +-
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gcc/fortran/simplify.c | 4 ++--
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.../gfortran.dg/dec_ichar_with_string_1.f | 21 +++++++++++++++++++
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3 files changed, 24 insertions(+), 3 deletions(-)
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create mode 100644 gcc/testsuite/gfortran.dg/dec_ichar_with_string_1.f
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diff --git a/gcc/fortran/check.c b/gcc/fortran/check.c
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index 82db8e4e1b2..623c1cc470e 100644
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--- a/gcc/fortran/check.c
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+++ b/gcc/fortran/check.c
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@@ -3157,7 +3157,7 @@ gfc_check_ichar_iachar (gfc_expr *c, gfc_expr *kind)
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else
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return true;
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- if (i != 1)
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+ if (i != 1 && !flag_dec)
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{
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gfc_error ("Argument of %s at %L must be of length one",
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gfc_current_intrinsic, &c->where);
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diff --git a/gcc/fortran/simplify.c b/gcc/fortran/simplify.c
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index 23317a2e2d9..9900572424f 100644
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--- a/gcc/fortran/simplify.c
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+++ b/gcc/fortran/simplify.c
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@@ -3261,7 +3261,7 @@ gfc_simplify_iachar (gfc_expr *e, gfc_expr *kind)
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if (e->expr_type != EXPR_CONSTANT)
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return NULL;
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- if (e->value.character.length != 1)
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+ if (e->value.character.length != 1 && !flag_dec)
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{
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gfc_error ("Argument of IACHAR at %L must be of length one", &e->where);
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return &gfc_bad_expr;
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@@ -3459,7 +3459,7 @@ gfc_simplify_ichar (gfc_expr *e, gfc_expr *kind)
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if (e->expr_type != EXPR_CONSTANT)
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return NULL;
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- if (e->value.character.length != 1)
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+ if (e->value.character.length != 1 && !flag_dec)
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{
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gfc_error ("Argument of ICHAR at %L must be of length one", &e->where);
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return &gfc_bad_expr;
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diff --git a/gcc/testsuite/gfortran.dg/dec_ichar_with_string_1.f b/gcc/testsuite/gfortran.dg/dec_ichar_with_string_1.f
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new file mode 100644
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index 00000000000..85efccecc0f
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--- /dev/null
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+++ b/gcc/testsuite/gfortran.dg/dec_ichar_with_string_1.f
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@@ -0,0 +1,21 @@
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+! { dg-do run }
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+! { dg-options "-fdec" }
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+!
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+! Test ICHAR and IACHAR with more than one character as argument
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+!
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+! Test case contributed by Jim MacArthur <jim.macarthur@codethink.co.uk>
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+! Modified by Mark Eggleston <mark.eggleston@codethink.com>
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+!
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+ PROGRAM ichar_more_than_one_character
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+ CHARACTER*4 st/'Test'/
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+ INTEGER i
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+
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+ i = ICHAR(st)
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+ if (i.NE.84) STOP 1
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+ i = IACHAR(st)
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+ if (i.NE.84) STOP 2
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+ i = ICHAR('Test')
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+ if (i.NE.84) STOP 3
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+ i = IACHAR('Test')
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+ if (i.NE.84) STOP 4
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+ END
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--
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2.27.0
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