x86/TCC: add `fprem`

3 files changed, 14 insertions, 1 deletions

diff --git a/miasm2/ir/translators/C.py b/miasm2/ir/translators/C.py
index a2beee54..23f44b30 100644
--- a/miasm2/ir/translators/C.py
+++ b/miasm2/ir/translators/C.py
@@ -103,7 +103,8 @@ class TranslatorC(Translator):
                                                    size2mask(expr.args[0].size))
             elif (expr.op.startswith('cpuid') or
                   expr.op.startswith("fcom")  or
-                  expr.op in ["fadd", "fsub", "fdiv", 'fmul', "fscale"]):
+                  expr.op in ["fadd", "fsub", "fdiv", 'fmul', "fscale",
+                              "fprem"]):
                 return "%s(%s, %s)" % (expr.op, self.from_expr(expr.args[0]),
                                        self.from_expr(expr.args[1]))
             elif expr.op == "segm":
diff --git a/miasm2/jitter/vm_mngr.c b/miasm2/jitter/vm_mngr.c
index a2c29127..c9fb3eb3 100644
--- a/miasm2/jitter/vm_mngr.c
+++ b/miasm2/jitter/vm_mngr.c
@@ -1243,6 +1243,17 @@ double fabs(double a)
 	return b;
 }
 
+double fprem(double a, double b)
+{
+	double c;
+	c = fmod(a, b);
+#ifdef DEBUG_MIASM_DOUBLE
+	dump_float();
+	printf("%e %% %e -> %e\n", a, b, c);
+#endif
+	return c;
+}
+
 double fchs(double a)
 {
 	double b;
diff --git a/miasm2/jitter/vm_mngr.h b/miasm2/jitter/vm_mngr.h
index 175f000c..1c8f2ca4 100644
--- a/miasm2/jitter/vm_mngr.h
+++ b/miasm2/jitter/vm_mngr.h
@@ -370,6 +370,7 @@ double fscale(double a, double b);
 double f2xm1(double a);
 double fsqrt(double a);
 double fabs(double a);
+double fprem(double a, double b);
 double fchs(double a);
 unsigned int fcom_c0(double a, double b);
 unsigned int fcom_c1(double a, double b);