From: Lulu Cheng <chenglulu@loongson.cn>
Date: Wed, 12 Feb 2025 03:50:50 +0000 (+0800)
Subject: LoongArch: When -mfpu=none, '__loongarch_frecipe' shouldn't be defined [PR118843].
X-Git-Tag: releases/gcc-14.3.0~483
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=889fb66025cef4e434cc60e35add9f7406e38db7;p=thirdparty%2Fgcc.git

LoongArch: When -mfpu=none, '__loongarch_frecipe' shouldn't be defined [PR118843].

	PR target/118843

gcc/ChangeLog:

	* config/loongarch/loongarch-c.cc
	(loongarch_update_cpp_builtins): Fix macro definition issues.

gcc/testsuite/ChangeLog:

	* gcc.target/loongarch/pr118843.c: New test.

(cherry picked from commit ee579b7c257468b9032ab4583ec455fa871d4428)
---

diff --git a/gcc/config/loongarch/loongarch-c.cc b/gcc/config/loongarch/loongarch-c.cc
index c6763647cd1..591d1dabcdf 100644
--- a/gcc/config/loongarch/loongarch-c.cc
+++ b/gcc/config/loongarch/loongarch-c.cc
@@ -85,9 +85,6 @@ loongarch_cpu_cpp_builtins (cpp_reader *pfile)
   else
     builtin_define ("__loongarch_frlen=0");
 
-  if (TARGET_HARD_FLOAT && ISA_HAS_FRECIPE)
-    builtin_define ("__loongarch_frecipe");
-
   if (ISA_HAS_LSX)
     {
       builtin_define ("__loongarch_simd");
@@ -107,7 +104,9 @@ loongarch_cpu_cpp_builtins (cpp_reader *pfile)
   int max_v_major = 1, max_v_minor = 0;
 
   for (int i = 0; i < N_EVO_FEATURES; i++)
-    if (la_target.isa.evolution & la_evo_feature_masks[i])
+    if (la_target.isa.evolution & la_evo_feature_masks[i]
+	&& (la_evo_feature_masks[i] != OPTION_MASK_ISA_FRECIPE
+	    || TARGET_HARD_FLOAT))
       {
 	builtin_define (la_evo_macro_name[i]);
 
diff --git a/gcc/testsuite/gcc.target/loongarch/pr118843.c b/gcc/testsuite/gcc.target/loongarch/pr118843.c
new file mode 100644
index 00000000000..30372b8ffe6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/pr118843.c
@@ -0,0 +1,6 @@
+/* { dg-do preprocess } */
+/* { dg-options "-mfrecipe -mfpu=none" } */
+
+#ifdef __loongarch_frecipe
+#error __loongarch_frecipe should not be avaliable here
+#endif