From c8697735abaca3b3dfe8ae4188a086d1fd7048eb Mon Sep 17 00:00:00 2001 From: Claudiu Zissulescu Date: Mon, 18 Jul 2022 14:54:38 +0300 Subject: libgcc/arc: Update udivmodsi4 and make the lib safe for rf16 The ARC soft udivmodsi4 algorithm and as well as using umodsi3 for reduced register set configurations are wrong. libgcc/ * config/arc/lib2funcs.c (udivmodsi4): Update AND mask. * config/arc/lib1funcs.S (umodsi3): Don't use it for RF16 configurations. --- libgcc/config/arc/lib2funcs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libgcc/config/arc/lib2funcs.c') diff --git a/libgcc/config/arc/lib2funcs.c b/libgcc/config/arc/lib2funcs.c index 70727b5..8cba451 100644 --- a/libgcc/config/arc/lib2funcs.c +++ b/libgcc/config/arc/lib2funcs.c @@ -59,7 +59,7 @@ udivmodsi4 (nint32_t num, nint32_t den, word_t modwanted) nint32_t bit = 1; nint32_t res = 0; - while (den < num && bit && !(den & (1LL << 63))) + while (den < num && bit && !(den & (1L << 31))) { den <<= 1; bit <<= 1; -- cgit v1.1