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2020-09-07 Jakub Jelinek <jakub@redhat.com>
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PR target/96939
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* config/arm/arm.c (arm_override_options_after_change): Don't call
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arm_configure_build_target here.
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(arm_set_current_function): Call arm_override_options_after_change_1
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at the end.
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* gcc.target/arm/lto/pr96939_0.c: New test.
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* gcc.target/arm/lto/pr96939_1.c: New file.
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--- gcc/config/arm/arm.c.jj 2020-07-30 15:04:38.136293101 +0200
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+++ gcc/config/arm/arm.c 2020-09-07 10:43:54.809561852 +0200
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@@ -3037,10 +3037,6 @@ arm_override_options_after_change_1 (str
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static void
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arm_override_options_after_change (void)
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{
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- arm_configure_build_target (&arm_active_target,
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- TREE_TARGET_OPTION (target_option_default_node),
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- &global_options_set, false);
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-
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arm_override_options_after_change_1 (&global_options);
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}
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@@ -32338,6 +32334,8 @@ arm_set_current_function (tree fndecl)
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cl_target_option_restore (&global_options, TREE_TARGET_OPTION (new_tree));
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save_restore_target_globals (new_tree);
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+
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+ arm_override_options_after_change_1 (&global_options);
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}
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/* Implement TARGET_OPTION_PRINT. */
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--- gcc/testsuite/gcc.target/arm/lto/pr96939_0.c.jj 2020-09-07 11:26:45.909937609 +0200
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+++ gcc/testsuite/gcc.target/arm/lto/pr96939_0.c 2020-09-07 11:29:18.722706535 +0200
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@@ -0,0 +1,15 @@
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+/* PR target/96939 */
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+/* { dg-lto-do link } */
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+/* { dg-require-effective-target arm_arch_v8a_ok } */
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+/* { dg-lto-options { { -flto -O2 } } } */
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+
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+extern unsigned crc (unsigned, const void *);
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+typedef unsigned (*fnptr) (unsigned, const void *);
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+volatile fnptr fn;
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+
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+int
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+main ()
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+{
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+ fn = crc;
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+ return 0;
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+}
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--- gcc/testsuite/gcc.target/arm/lto/pr96939_1.c.jj 2020-09-07 11:26:49.365887153 +0200
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+++ gcc/testsuite/gcc.target/arm/lto/pr96939_1.c 2020-09-07 11:25:13.885281180 +0200
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@@ -0,0 +1,10 @@
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+/* PR target/96939 */
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+/* { dg-options "-march=armv8-a+crc" } */
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+
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+#include <arm_acle.h>
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+
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+unsigned
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+crc (unsigned x, const void *y)
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+{
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+ return __crc32cw (x, *(unsigned *) y);
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+}
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