From: Christoph Mallon <christoph.mallon@gmx.de>
Date: Mon, 16 Jul 2007 10:06:21 +0000 (+0000)
Subject: Do not unconditionally set the unsigned pnc flag, but only for floating point compari... 
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=09238e3267b92817737eddb215d85787301f12fa;p=libfirm

Do not unconditionally set the unsigned pnc flag, but only for floating point comparisons. This fixes r15142.

[r15153]
---

diff --git a/ir/be/ia32/ia32_emitter.c b/ir/be/ia32/ia32_emitter.c
index 715f6a41e..c3dd30128 100644
--- a/ir/be/ia32/ia32_emitter.c
+++ b/ir/be/ia32/ia32_emitter.c
@@ -813,7 +813,10 @@ void finish_CondJmp(ia32_emit_env_t *env, const ir_node *node, ir_mode *mode,
 	}
 
 	be_emit_cstring(env, "\tj");
-	ia32_emit_cmp_suffix(env, pnc | ia32_pn_Cmp_Unsigned);
+	// The bits set by floating point compares correspond to unsigned comparisons
+	if (mode_is_float(mode))
+		pnc |= ia32_pn_Cmp_Unsigned;
+	ia32_emit_cmp_suffix(env, pnc);
 	be_emit_char(env, ' ');
 	ia32_emit_cfop_target(env, proj_true);
 	be_emit_finish_line_gas(env, proj_true);