From cad136a40be14f1a286bbdfa8008909d262c551c Mon Sep 17 00:00:00 2001 From: Tom de Vries Date: Thu, 3 Aug 2017 11:18:09 +0000 Subject: [PATCH] Error out on nvptx for fpatchable-function-entry 2017-08-03 Tom de Vries PR target/81662 * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if function_entry_patch_area_size > 0. * gcc.target/nvptx/patchable_function_entry-default.c: New test. From-SVN: r250851 --- gcc/ChangeLog | 6 ++++++ gcc/config/nvptx/nvptx.c | 4 ++++ gcc/testsuite/ChangeLog | 5 +++++ .../nvptx/patchable_function_entry-default.c | 15 +++++++++++++++ 4 files changed, 30 insertions(+) create mode 100644 gcc/testsuite/gcc.target/nvptx/patchable_function_entry-default.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f7b620c4d0d..0449bfc13d6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-08-03 Tom de Vries + + PR target/81662 + * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if + function_entry_patch_area_size > 0. + 2017-08-03 Jakub Jelinek PR driver/81650 diff --git a/gcc/config/nvptx/nvptx.c b/gcc/config/nvptx/nvptx.c index 0d21eb1406c..dddb9522dfa 100644 --- a/gcc/config/nvptx/nvptx.c +++ b/gcc/config/nvptx/nvptx.c @@ -180,6 +180,10 @@ nvptx_option_override (void) if (!global_options_set.x_flag_no_common) flag_no_common = 1; + /* The patch area requires nops, which we don't have. */ + if (function_entry_patch_area_size > 0) + sorry ("not generating patch area, nops not supported"); + /* Assumes that it will see only hard registers. */ flag_var_tracking = 0; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 53829f7e779..760a454c0b0 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-08-03 Tom de Vries + + PR target/81662 + * gcc.target/nvptx/patchable_function_entry-default.c: New test. + 2017-08-03 Jakub Jelinek PR driver/81650 diff --git a/gcc/testsuite/gcc.target/nvptx/patchable_function_entry-default.c b/gcc/testsuite/gcc.target/nvptx/patchable_function_entry-default.c new file mode 100644 index 00000000000..42544562725 --- /dev/null +++ b/gcc/testsuite/gcc.target/nvptx/patchable_function_entry-default.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fpatchable-function-entry=3,1" } */ + +extern int a; + +int f3 (void); + +int +__attribute__((noinline)) +f3 (void) +{ + return 5*a; +} + +/* { dg-excess-errors "sorry, unimplemented: not generating patch area, nops not supported" } */ -- 2.30.2