From: Lulu Cheng <chenglulu@loongson.cn>
Date: Wed, 21 Feb 2024 03:17:14 +0000 (+0800)
Subject: LoongArch: When checking whether the assembler supports conditional branch relaxation... 
X-Git-Tag: basepoints/gcc-15~997
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33abf74108f37fb7792572e538617fd15c8ade29;p=thirdparty%2Fgcc.git

LoongArch: When checking whether the assembler supports conditional branch relaxation, add compilation parameter "--fatal-warnings" to the assembler.

In binutils 2.40 and earlier versions, only a warning will be reported
when a relocation immediate value is out of bounds. As a result,
the value of the macro HAVE_AS_COND_BRANCH_RELAXATION will also be
defined as 1 when the assembler does not support conditional branch
relaxation. Therefore, add the compilation option "--fatal-warnings"
to avoid this problem.

gcc/ChangeLog:

	* configure: Regenerate.
	* configure.ac: Add parameter "--fatal-warnings" to assemble
	when checking whether the assemble support conditional branch
	relaxation.
---

diff --git a/gcc/configure b/gcc/configure
index 41b978b0380b..f1d434fede0f 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -31136,7 +31136,7 @@ else
        nop
        .endr
        beq $a0,$a1,a' > conftest.s
-    if { ac_try='$gcc_cv_as $gcc_cv_as_flags  -o conftest.o conftest.s >&5'
+    if { ac_try='$gcc_cv_as $gcc_cv_as_flags --fatal-warnings -o conftest.o conftest.s >&5'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
   (eval $ac_try) 2>&5
   ac_status=$?
diff --git a/gcc/configure.ac b/gcc/configure.ac
index 72012d61e671..9ebc578e4cc2 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -5486,7 +5486,7 @@ x:
 		[Define if your assembler supports -mrelax option.])])
     gcc_GAS_CHECK_FEATURE([conditional branch relaxation support],
       gcc_cv_as_loongarch_cond_branch_relax,
-      [],
+      [--fatal-warnings],
       [a:
        .rept 32769
        nop