[gcc r14-9791] x86: Define __APX_F__ for -mapxf

[H.J. Lu via Gcc-cvs]

https://gcc.gnu.org/g:1df56719bd868c58466a549b25d7064dac3eb456

commit r14-9791-g1df56719bd868c58466a549b25d7064dac3eb456
Author: H.J. Lu <hjl.to...@gmail.com>
Date:   Thu Apr 4 08:05:58 2024 -0700

    x86: Define __APX_F__ for -mapxf
    
    Define __APX_F__ when APX is enabled.
    
    gcc/
    
            PR target/114587
            * config/i386/i386-c.cc (ix86_target_macros_internal): Define
            __APX_F__ when APX is enabled.
    
    gcc/testsuite/
    
            PR target/114587
            * gcc.target/i386/apx-2.c: New test.

Diff:
---
 gcc/config/i386/i386-c.cc             | 2 ++
 gcc/testsuite/gcc.target/i386/apx-2.c | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/gcc/config/i386/i386-c.cc b/gcc/config/i386/i386-c.cc
index 114908c7ec0..226d277676c 100644
--- a/gcc/config/i386/i386-c.cc
+++ b/gcc/config/i386/i386-c.cc
@@ -749,6 +749,8 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
     }
   if (isa_flag2 & OPTION_MASK_ISA2_AVX10_1_512)
     def_or_undef (parse_in, "__AVX10_1_512__");
+  if (isa_flag2 & OPTION_MASK_ISA2_APX_F)
+    def_or_undef (parse_in, "__APX_F__");
   if (TARGET_IAMCU)
     {
       def_or_undef (parse_in, "__iamcu");
diff --git a/gcc/testsuite/gcc.target/i386/apx-2.c 
b/gcc/testsuite/gcc.target/i386/apx-2.c
new file mode 100644
index 00000000000..2f6439e4b23
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/apx-2.c
@@ -0,0 +1,6 @@
+/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-options "-mapxf" } */
+
+#ifndef __APX_F__
+# error __APX_F__ not defined
+#endif