From 567d0e9f44b8c64e7c3aa8a3822cbfefe7bd21d0 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
Date: Thu, 24 Sep 2020 19:53:24 +0200
Subject: [PATCH] Prefer to use ppc register names, if assembler supports it.

---
 ChangeLog  | 5 +++++
 aclocal.m4 | 8 ++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

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"
 ])
-- 
2.47.2