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* [gcc r13-4446] amdgcn: Add preprocessor builtins for every processor type
@ 2022-12-01 14:57 Paul-Antoine Arras
  0 siblings, 0 replies; only message in thread
From: Paul-Antoine Arras @ 2022-12-01 14:57 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:e41b243302e9964e642924329826448afb21d28e

commit r13-4446-ge41b243302e9964e642924329826448afb21d28e
Author: Paul-Antoine Arras <pa@codesourcery.com>
Date:   Thu Dec 1 15:09:54 2022 +0100

    amdgcn: Add preprocessor builtins for every processor type
    
    Provide a specific builtin for each possible value of '-march'.
    
    gcc/ChangeLog:
    
            * config/gcn/gcn-opts.h (TARGET_FIJI): -march=fiji.
            (TARGET_VEGA10): -march=gfx900.
            (TARGET_VEGA20): -march=gfx906.
            (TARGET_GFX908): -march=gfx908.
            (TARGET_GFX90a): -march=gfx90a.
            * config/gcn/gcn.h (TARGET_CPU_CPP_BUILTINS): Define a builtin that
            uniquely maps to '-march'.

Diff:
---
 gcc/config/gcn/gcn-opts.h |  6 ++++++
 gcc/config/gcn/gcn.h      | 40 ++++++++++++++++++++++++++--------------
 2 files changed, 32 insertions(+), 14 deletions(-)

diff --git a/gcc/config/gcn/gcn-opts.h b/gcc/config/gcn/gcn-opts.h
index b62dfb45f59..b54eae79faf 100644
--- a/gcc/config/gcn/gcn-opts.h
+++ b/gcc/config/gcn/gcn-opts.h
@@ -27,6 +27,12 @@ enum processor_type
   PROCESSOR_GFX90a
 };
 
+#define TARGET_FIJI (gcn_arch == PROCESSOR_FIJI)
+#define TARGET_VEGA10 (gcn_arch == PROCESSOR_VEGA10)
+#define TARGET_VEGA20 (gcn_arch == PROCESSOR_VEGA20)
+#define TARGET_GFX908 (gcn_arch == PROCESSOR_GFX908)
+#define TARGET_GFX90a (gcn_arch == PROCESSOR_GFX90a)
+
 /* Set in gcn_option_override.  */
 extern enum gcn_isa {
   ISA_UNKNOWN,
diff --git a/gcc/config/gcn/gcn.h b/gcc/config/gcn/gcn.h
index 38f7212db59..1cc5981d904 100644
--- a/gcc/config/gcn/gcn.h
+++ b/gcc/config/gcn/gcn.h
@@ -16,20 +16,32 @@
 
 #include "config/gcn/gcn-opts.h"
 
-#define TARGET_CPU_CPP_BUILTINS()	\
-  do					\
-    {					\
-      builtin_define ("__AMDGCN__");	\
-      if (TARGET_GCN3)			\
-	builtin_define ("__GCN3__");	\
-      else if (TARGET_GCN5)		\
-	builtin_define ("__GCN5__");	\
-      else if (TARGET_CDNA1)		\
-	builtin_define ("__CDNA1__");	\
-      else if (TARGET_CDNA2)		\
-	builtin_define ("__CDNA2__");	\
-    }					\
-  while(0)
+#define TARGET_CPU_CPP_BUILTINS()                                              \
+  do                                                                           \
+    {                                                                          \
+      builtin_define ("__AMDGCN__");                                           \
+      if (TARGET_GCN3)                                                         \
+	builtin_define ("__GCN3__");                                           \
+      else if (TARGET_GCN5)                                                    \
+	builtin_define ("__GCN5__");                                           \
+      else if (TARGET_CDNA1)                                                   \
+	builtin_define ("__CDNA1__");                                          \
+      else if (TARGET_CDNA2)                                                   \
+	builtin_define ("__CDNA2__");                                          \
+      if (TARGET_FIJI)                                                         \
+	{                                                                      \
+	  builtin_define ("__fiji__");                                         \
+	  builtin_define ("__gfx803__");                                       \
+	}                                                                      \
+      else if (TARGET_VEGA10)                                                  \
+	builtin_define ("__gfx900__");                                         \
+      else if (TARGET_VEGA20)                                                  \
+	builtin_define ("__gfx906__");                                         \
+      else if (TARGET_GFX908)                                                  \
+	builtin_define ("__gfx908__");                                         \
+      else if (TARGET_GFX90a)                                                  \
+	builtin_define ("__gfx90a__");                                         \
+  } while (0)
 
 /* Support for a compile-time default architecture and tuning.
    The rules are:

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