[x265] [PATCH 1 of 3] testbench: support float ret value

[Min Chen]

# HG changeset patch
# User Min Chen <chenm003 at 163.com>
# Date 1398394872 -28800
# Node ID 9505724b11bc944eaaefd35d396f92f4c2c3f88f
# Parent  c630b0b393eec3a2e2bedf137fba0d56764672ef
testbench: support float ret value

diff -r c630b0b393ee -r 9505724b11bc source/test/checkasm-a.asm
--- a/source/test/checkasm-a.asm	Thu Apr 24 15:59:05 2014 -0500
+++ b/source/test/checkasm-a.asm	Fri Apr 25 11:01:12 2014 +0800
@@ -87,6 +87,7 @@
 ;-----------------------------------------------------------------------------
 ; intptr_t x265_checkasm_call( intptr_t (*func)(), int *ok, ... )
 ;-----------------------------------------------------------------------------
+cglobal checkasm_call_float
 INIT_XMM
 cglobal checkasm_call, 2,15,16,max_args*8+8
     mov  r6, r0
@@ -170,6 +171,7 @@
 ;-----------------------------------------------------------------------------
 ; intptr_t x264_checkasm_call( intptr_t (*func)(), int *ok, ... )
 ;-----------------------------------------------------------------------------
+cglobal checkasm_call_float
 cglobal checkasm_call, 1,7
     mov  r3, n3
     mov  r4, n4
diff -r c630b0b393ee -r 9505724b11bc source/test/pixelharness.cpp
--- a/source/test/pixelharness.cpp	Thu Apr 24 15:59:05 2014 -0500
+++ b/source/test/pixelharness.cpp	Fri Apr 25 11:01:12 2014 +0800
@@ -915,7 +915,7 @@
 
         int width = (rand() % 4) + 1; // range[1-4]
         float cres = ref(sum0, sum1, width);
-        float vres = (float)checked(opt, sum0, sum1, width);
+        float vres = (float)checked_float(opt, sum0, sum1, width);
         if (fabs(vres - cres) > 0.00001)
             return false;
 
diff -r c630b0b393ee -r 9505724b11bc source/test/testharness.h
--- a/source/test/testharness.h	Thu Apr 24 15:59:05 2014 -0500
+++ b/source/test/testharness.h	Fri Apr 25 11:01:12 2014 +0800
@@ -121,6 +121,7 @@
 /* detect when callee-saved regs aren't saved
  * needs an explicit asm check because it only sometimes crashes in normal use. */
 intptr_t x265_checkasm_call(intptr_t (*func)(), int *ok, ...);
+float x265_checkasm_call_float(intptr_t (*func)(), int *ok, ...);
 #else
 #define x265_stack_pagealign( func, align ) func()
 #endif
@@ -143,12 +144,21 @@
                                 m_rand,m_rand,m_rand,m_rand,m_rand,m_rand,m_rand,m_rand,\
                                 m_rand,m_rand,m_rand,m_rand,m_rand), /* max_args+6 */ \
     x265_checkasm_call((intptr_t(*)())func, &m_ok, 0, 0, 0, 0, __VA_ARGS__))
+
+#define checked_float(func,...) ( \
+    m_ok = 1, m_rand = (rand() & 0xffff) * 0x0001000100010001ULL, \
+    x265_checkasm_stack_clobber(m_rand,m_rand,m_rand,m_rand,m_rand,m_rand,m_rand,m_rand,\
+                                m_rand,m_rand,m_rand,m_rand,m_rand,m_rand,m_rand,m_rand,\
+                                m_rand,m_rand,m_rand,m_rand,m_rand), /* max_args+6 */ \
+    x265_checkasm_call_float((intptr_t(*)())func, &m_ok, 0, 0, 0, 0, __VA_ARGS__))
 #define reportfail() if (!m_ok) { fprintf(stderr, "stack clobber check failed at %s:%d", __FILE__, __LINE__); abort(); }
 #elif ARCH_X86
 #define checked(func,...) x265_checkasm_call((intptr_t(*)())func, &m_ok, __VA_ARGS__);
+#define checked_float(func,...) x265_checkasm_call_float((intptr_t(*)())func, &m_ok, __VA_ARGS__);
 
 #else
 #define checked(func,...) func(__VA_ARGS__)
+#define checked_float(func,...) func(__VA_ARGS__)
 #define reportfail()
 #endif
 }