[SPARC] Fix PR target/115608

[Eric Botcazou]

This passes -m32 when -mv8plus is specified on Linux (like on Solaris).

Applied to mainline and 14 branch.



2024-06-25  Eric Botcazou  <ebotca...@adacore.com>

        PR target/115608
        * config/sparc/linux64.h (CC1_SPEC): Pass -m32 for -mv8plus.

-- 
Eric Botcazou
diff --git a/gcc/config/sparc/linux64.h b/gcc/config/sparc/linux64.h
index 1e2e4aef2ad..83e0d6874d9 100644
--- a/gcc/config/sparc/linux64.h
+++ b/gcc/config/sparc/linux64.h
@@ -162,7 +162,7 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
 "%{m32:%{m64:%emay not use both -m32 and -m64}} \
 %{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
   %{!mcpu*:-mcpu=cypress}} \
-%{mv8plus:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
+%{mv8plus:-m32 -mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
   %{!mcpu*:-mcpu=v9}} \
 %{!m32:%{!mcpu*:-mcpu=ultrasparc}} \
 %{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}}"