From: Matthias Braun <matze@braunis.de>
Date: Wed, 1 Aug 2007 13:01:17 +0000 (+0000)
Subject: we can't pass 64bit values in a single register
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=bf27182dad1cb8762178a0cd18a9c473e046c2f2;p=libfirm

we can't pass 64bit values in a single register

[r15408]
---

diff --git a/ir/be/ia32/ia32_map_regs.c b/ir/be/ia32/ia32_map_regs.c
index 5bec80b93..2083d2566 100644
--- a/ir/be/ia32/ia32_map_regs.c
+++ b/ir/be/ia32/ia32_map_regs.c
@@ -179,6 +179,9 @@ const arch_register_t *ia32_get_RegParam_reg(ia32_code_gen_t *cg, unsigned cc,
 		}
 		return fpreg_sse_param_reg_std[nr];
 	} else if(mode_is_int(mode) || mode_is_reference(mode)) {
+		if(get_mode_size_bits(mode) > 32)
+			return NULL;
+
 		if(nr >= MAXNUM_GPREG_ARGS)
 			return NULL;