From: Niels Möller <nisse@lysator.liu.se>
Date: Thu, 24 Sep 2020 17:53:24 +0000 (+0200)
Subject: Prefer to use ppc register names, if assembler supports it.
X-Git-Tag: nettle_3.7rc1~60
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=567d0e9f44b8c64e7c3aa8a3822cbfefe7bd21d0;p=thirdparty%2Fnettle.git

Prefer to use ppc register names, if assembler supports it.
---

diff --git a/ChangeLog b/ChangeLog
index f3426ef7..f1fc7e9b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2020-09-24  Niels Möller  <nisse@obsidian>
+
+	* aclocal.m4 (GMP_ASM_POWERPC_R_REGISTERS): Prefer to use register
+	names. Can be tested by configuring with CC='gcc -Wa,-mregnames'.
+
 2020-09-21  Niels Möller  <nisse@obsidian>
 
 	* m4-utils.m4: New file with m4 utilities, copied from GMP's
diff --git a/aclocal.m4 b/aclocal.m4
index 29aa5c3e..68154a72 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -570,12 +570,12 @@ AC_DEFUN([GMP_ASM_POWERPC_R_REGISTERS],
                gmp_cv_asm_powerpc_r_registers,
 [GMP_TRY_ASSEMBLE(
 [	$gmp_cv_asm_text
-	mtctr	6],
-[gmp_cv_asm_powerpc_r_registers=no],
-[GMP_TRY_ASSEMBLE(
-[	.text
 	mtctr	r6],
 [gmp_cv_asm_powerpc_r_registers=yes],
+[GMP_TRY_ASSEMBLE(
+[	.text
+	mtctr	6],
+[gmp_cv_asm_powerpc_r_registers=no],
 [AC_MSG_ERROR([neither "mtctr 6" nor "mtctr r6" works])])])])
 ASM_PPC_WANT_R_REGISTERS="$gmp_cv_asm_powerpc_r_registers"
 ])