{"id":2224510,"url":"http://patchwork.ozlabs.org/api/patches/2224510/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/20260417135045.339632-1-tschwinge@baylibre.com/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/projects/17/?format=json","name":"GNU Compiler Collection","link_name":"gcc","list_id":"gcc-patches.gcc.gnu.org","list_email":"gcc-patches@gcc.gnu.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260417135045.339632-1-tschwinge@baylibre.com>","list_archive_url":null,"date":"2026-04-17T13:50:45","name":"[PUSHED] nvptx: Support '-mptx=4.0'","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"671ba3fec084e195070043c55e2476ccaf0eb286","submitter":{"id":87905,"url":"http://patchwork.ozlabs.org/api/people/87905/?format=json","name":"Thomas Schwinge","email":"tschwinge@baylibre.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/20260417135045.339632-1-tschwinge@baylibre.com/mbox/","series":[{"id":500344,"url":"http://patchwork.ozlabs.org/api/series/500344/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=500344","date":"2026-04-17T13:50:45","name":"[PUSHED] nvptx: Support '-mptx=4.0'","version":1,"mbox":"http://patchwork.ozlabs.org/series/500344/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2224510/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2224510/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=baylibre-com.20251104.gappssmtp.com\n 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","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"},"content":"gcc/\n\t* config/nvptx/nvptx-opts.h (enum ptx_version): Add\n\t'PTX_VERSION_4_0'.\n\t* config/nvptx/nvptx.cc (ptx_version_to_string)\n\t(ptx_version_to_number): Adjust.\n\t* config/nvptx/nvptx.h (TARGET_PTX_4_0): New.\n\t* config/nvptx/nvptx.opt (Enum(ptx_version)): Add 'EnumValue'\n\t'4.0' for 'PTX_VERSION_4_0'.\n\t* doc/invoke.texi (Nvidia PTX Options): Document '-mptx=4.0'.\n\tgcc/testsuite/\n\t* gcc.target/nvptx/mptx=4.0.c: New.\n---\n gcc/config/nvptx/nvptx-opts.h | 1 +\n gcc/config/nvptx/nvptx.cc | 4 ++++\n gcc/config/nvptx/nvptx.h | 1 +\n gcc/config/nvptx/nvptx.opt | 3 +++\n gcc/doc/invoke.texi | 2 +-\n gcc/testsuite/gcc.target/nvptx/mptx=4.0.c | 19 +++++++++++++++++++\n 6 files changed, 29 insertions(+), 1 deletion(-)\n create mode 100644 gcc/testsuite/gcc.target/nvptx/mptx=4.0.c","diff":"diff --git a/gcc/config/nvptx/nvptx-opts.h b/gcc/config/nvptx/nvptx-opts.h\nindex fd53df0861b3..08aea8b27b33 100644\n--- a/gcc/config/nvptx/nvptx-opts.h\n+++ b/gcc/config/nvptx/nvptx-opts.h\n@@ -38,6 +38,7 @@ enum ptx_version\n PTX_VERSION_unset,\n PTX_VERSION_default = PTX_VERSION_unset,\n PTX_VERSION_3_1,\n+ PTX_VERSION_4_0,\n PTX_VERSION_4_1,\n PTX_VERSION_4_2,\n PTX_VERSION_5_0,\ndiff --git a/gcc/config/nvptx/nvptx.cc b/gcc/config/nvptx/nvptx.cc\nindex 4cee096cca50..808dd9818ca4 100644\n--- a/gcc/config/nvptx/nvptx.cc\n+++ b/gcc/config/nvptx/nvptx.cc\n@@ -266,6 +266,8 @@ ptx_version_to_string (enum ptx_version v)\n {\n case PTX_VERSION_3_1:\n return \"3.1\";\n+ case PTX_VERSION_4_0:\n+ return \"4.0\";\n case PTX_VERSION_4_1:\n return \"4.1\";\n case PTX_VERSION_4_2:\n@@ -294,6 +296,8 @@ ptx_version_to_number (enum ptx_version v, bool major_p)\n {\n case PTX_VERSION_3_1:\n return major_p ? 3 : 1;\n+ case PTX_VERSION_4_0:\n+ return major_p ? 4 : 0;\n case PTX_VERSION_4_1:\n return major_p ? 4 : 1;\n case PTX_VERSION_4_2:\ndiff --git a/gcc/config/nvptx/nvptx.h b/gcc/config/nvptx/nvptx.h\nindex dd5a66a1a716..35af5ad45659 100644\n--- a/gcc/config/nvptx/nvptx.h\n+++ b/gcc/config/nvptx/nvptx.h\n@@ -99,6 +99,7 @@\n \n /* There are no 'TARGET_PTX_3_1' and smaller conditionals: our baseline is\n PTX ISA Version 3.1. */\n+#define TARGET_PTX_4_0 (ptx_version_option >= PTX_VERSION_4_0)\n #define TARGET_PTX_4_1 (ptx_version_option >= PTX_VERSION_4_1)\n #define TARGET_PTX_4_2 (ptx_version_option >= PTX_VERSION_4_2)\n #define TARGET_PTX_5_0 (ptx_version_option >= PTX_VERSION_5_0)\ndiff --git a/gcc/config/nvptx/nvptx.opt b/gcc/config/nvptx/nvptx.opt\nindex c3b128d3e04d..a1c8edb70df2 100644\n--- a/gcc/config/nvptx/nvptx.opt\n+++ b/gcc/config/nvptx/nvptx.opt\n@@ -172,6 +172,9 @@ Known PTX ISA versions (for use with the -mptx= option):\n EnumValue\n Enum(ptx_version) String(3.1) Value(PTX_VERSION_3_1)\n \n+EnumValue\n+Enum(ptx_version) String(4.0) Value(PTX_VERSION_4_0)\n+\n EnumValue\n Enum(ptx_version) String(4.1) Value(PTX_VERSION_4_1)\n \ndiff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi\nindex dc83623d48ba..e917338f6c91 100644\n--- a/gcc/doc/invoke.texi\n+++ b/gcc/doc/invoke.texi\n@@ -30620,7 +30620,7 @@ capable. For instance, for @option{-march-map=sm_50} select\n Generate code for the specified PTX ISA version.\n Valid version strings are\n @samp{3.1},\n-@samp{4.1}, @samp{4.2},\n+@samp{4.0}, @samp{4.1}, @samp{4.2},\n @samp{5.0},\n @samp{6.0}, @samp{6.3},\n @samp{7.0}, @samp{7.3}, and @samp{7.8}.\ndiff --git a/gcc/testsuite/gcc.target/nvptx/mptx=4.0.c b/gcc/testsuite/gcc.target/nvptx/mptx=4.0.c\nnew file mode 100644\nindex 000000000000..0c6bf4dba7e1\n--- /dev/null\n+++ b/gcc/testsuite/gcc.target/nvptx/mptx=4.0.c\n@@ -0,0 +1,19 @@\n+/* { dg-do assemble } */\n+/* { dg-options {-march=sm_30 -mptx=4.0} } */\n+/* { dg-additional-options -save-temps } */\n+/* { dg-final { scan-assembler-times {(?n)^\t\\.version\t4\\.0$} 1 } } */\n+/* { dg-final { scan-assembler-times {(?n)^\t\\.target\tsm_30$} 1 } } */\n+\n+#if __PTX_ISA_VERSION_MAJOR__ != 4\n+#error wrong value for __PTX_ISA_VERSION_MAJOR__\n+#endif\n+\n+#if __PTX_ISA_VERSION_MINOR__ != 0\n+#error wrong value for __PTX_ISA_VERSION_MINOR__\n+#endif\n+\n+#if __PTX_SM__ != 300\n+#error wrong value for __PTX_SM__\n+#endif\n+\n+int dummy;\n","prefixes":["PUSHED"]}