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authorThomas Schwinge <thomas@codesourcery.com>2022-06-11 12:28:36 +0200
committerThomas Schwinge <thomas@codesourcery.com>2022-09-26 16:19:26 +0200
commit74ddd1ec9d8d7b91790962faed0a5e23b5d1bbcb (patch)
tree72e4c6c5c0b5890fbe193434fdc0b9e37bee2eab /gcc
parent38a225f9d39f494f5dba718befef39631eb5768c (diff)
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nvptx: Introduce dummy multilib option for default '-misa=sm_30'
... primarily in preparation for later changes. gcc/ * config.gcc (TM_MULTILIB_CONFIG) [nvptx]: Set to '$with_arch'. * config/nvptx/t-nvptx (MULTILIB_OPTIONS, MULTILIB_MATCHES) (MULTILIB_EXCEPTIONS): Handle it. (cherry picked from commit 4d94582e0dcbf5fed9d61213715bfff877bf5ecf)
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog.omp9
-rw-r--r--gcc/config.gcc1
-rw-r--r--gcc/config/nvptx/t-nvptx20
3 files changed, 29 insertions, 1 deletions
diff --git a/gcc/ChangeLog.omp b/gcc/ChangeLog.omp
index 7f5f932..43fa051 100644
--- a/gcc/ChangeLog.omp
+++ b/gcc/ChangeLog.omp
@@ -3,6 +3,15 @@
Backported from master:
2022-09-26 Thomas Schwinge <thomas@codesourcery.com>
+ * config.gcc (TM_MULTILIB_CONFIG) [nvptx]: Set to '$with_arch'.
+ * config/nvptx/t-nvptx (MULTILIB_OPTIONS, MULTILIB_MATCHES)
+ (MULTILIB_EXCEPTIONS): Handle it.
+
+2022-09-26 Thomas Schwinge <thomas@codesourcery.com>
+
+ Backported from master:
+ 2022-09-26 Thomas Schwinge <thomas@codesourcery.com>
+
* config.gcc (with_arch) [nvptx]: Set to 'sm_30'.
* config/nvptx/nvptx.cc (nvptx_option_override): Assert that
'-misa' appeared.
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 3b1bde7..d492b77 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -5441,6 +5441,7 @@ case "${target}" in
nvptx-*)
supported_defaults=arch
+ TM_MULTILIB_CONFIG=$with_arch
case $with_arch in
sm_30 )
# OK; default.
diff --git a/gcc/config/nvptx/t-nvptx b/gcc/config/nvptx/t-nvptx
index 2b68149..c797d57 100644
--- a/gcc/config/nvptx/t-nvptx
+++ b/gcc/config/nvptx/t-nvptx
@@ -31,4 +31,22 @@ s-nvptx-gen-opt: $(srcdir)/config/nvptx/nvptx-sm.def \
tmp-nvptx-gen.opt $(srcdir)/config/nvptx/nvptx-gen.opt
$(STAMP) s-nvptx-gen-opt
-MULTILIB_OPTIONS = mgomp mptx=3.1
+
+# Multilib setup.
+
+MULTILIB_OPTIONS =
+MULTILIB_MATCHES =
+MULTILIB_EXCEPTIONS =
+
+MULTILIB_OPTIONS += mgomp
+
+multilib_options_isa_list := $(TM_MULTILIB_CONFIG)
+multilib_options_isa_default := $(word 1,$(multilib_options_isa_list))
+# Add the default '-misa' as a multilib option:
+MULTILIB_OPTIONS += misa=$(multilib_options_isa_default)
+# ..., but don't handle it specially (remap to default):
+MULTILIB_MATCHES += .=misa?$(multilib_options_isa_default)
+# ..., and don't actually build it:
+MULTILIB_EXCEPTIONS += *misa=$(multilib_options_isa_default)*
+
+MULTILIB_OPTIONS += mptx=3.1