[gcc r11-3550] i386: Define __LAHF_SAHF__ and __MOVBE__ macros, based on ISA flags

[Florian Weimer]

https://gcc.gnu.org/g:92e652d8c21bd7e66cbb0f9001542a2f55345af0

commit r11-3550-g92e652d8c21bd7e66cbb0f9001542a2f55345af0
Author: Florian Weimer <fweimer@redhat.com>
Date:   Tue Sep 29 17:28:22 2020 +0200

    i386: Define __LAHF_SAHF__ and __MOVBE__ macros, based on ISA flags
    
    gcc/
            * config/i386/i386-c.c (ix86_target_macros_internal): Define
            __LAHF_SAHF__ and __MOVBE__ based on ISA flags.

Diff:
---
 gcc/config/i386/i386-c.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gcc/config/i386/i386-c.c b/gcc/config/i386/i386-c.c
index 9da682ab05c..e647fce9ad4 100644
--- a/gcc/config/i386/i386-c.c
+++ b/gcc/config/i386/i386-c.c
@@ -594,6 +594,10 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
     def_or_undef (parse_in, "__AMX_INT8__");
   if (isa_flag2 & OPTION_MASK_ISA2_AMX_BF16)
     def_or_undef (parse_in, "__AMX_BF16__");
+  if (isa_flag & OPTION_MASK_ISA_SAHF)
+    def_or_undef (parse_in, "__LAHF_SAHF__");
+  if (isa_flag2 & OPTION_MASK_ISA2_MOVBE)
+    def_or_undef (parse_in, "__MOVBE__");
 
   if (TARGET_IAMCU)
     {