2009-12-10 Oza Pawandeep (paawan1982@yahoo.com

	* gdb.reverse/i387-env-reverse.c: New file.
	* gdb.reverse/i387-env-reverse.exp: New file.
	* gdb.reverse/i387-stack-reverse.c: New file.
	* gdb.reverse/i387-stack-reverse.exp: New file.

1 files changed, 60 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.reverse/i387-env-reverse.c b/gdb/testsuite/gdb.reverse/i387-env-reverse.c
new file mode 100644
index 0000000..c346879
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/i387-env-reverse.c
@@ -0,0 +1,60 @@
+#include <stdio.h>
+#include <math.h>
+#include <stdlib.h>
+
+
+float no1,no2,no3,no4,no5,no6,no7;
+float result,resultd,resultld; 
+float *float_memory;
+long double ldx = 88888888888888888888.88, ldy = 9999999999999999999.99;
+double x = 100.345, y = 25.7789;
+/* marks FPU stack as empty */
+void empty_fpu_stack()
+{
+  asm ("ffree %st(1) \n\t"
+       "ffree %st(2) \n\t"
+       "ffree %st(3) \n\t"
+       "ffree %st(4) \n\t"
+       "ffree %st(5) \n\t"
+       "ffree %st(6) \n\t"
+       "ffree %st(7)");
+}   
+
+/* initialization of floats */
+void init_floats()
+{
+  no1 = 10.45;
+  no2 = 20.77;
+  no3 = 156.89874646;
+  no4 = 14.56;
+  no5 = 11.11;
+  no6 = 66.77;
+  no7 = 88.88;
+  float_memory = malloc(sizeof(float) * 4);
+  *float_memory = 256.256;
+  *(float_memory + 1) = 356.356;
+  *(float_memory + 2) = 456.456;
+  *(float_memory + 3) = 556.556;
+}
+
+int main()
+{
+  init_floats();
+  empty_fpu_stack();    /* BEGIN I387-FLOAT-REVERSE */  
+  
+  asm("nop");   /* TEST ENV */
+  asm ("fsave %0" : "=m"(*float_memory) : );   
+  asm ("frstor %0" : : "m"(*float_memory));
+  asm ("fstsw %ax");     /* test eax register */
+
+  asm ("fld1");
+  asm ("fldl2t");
+  asm ("fldl2e");
+  asm ("fldpi");
+  asm ("fldlg2");
+  asm ("fldln2");
+  asm ("fldz");
+  asm ("nop");
+  
+  return 1;             /* END I387-FLOAT-REVERSE */
+}