Do not unconditionally set the unsigned pnc flag, but only for floating point compari...

[r15153]

diff --git a/ir/be/ia32/ia32_emitter.c b/ir/be/ia32/ia32_emitter.c
index 715f6a4..c3dd301 100644 (file)
--- 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);