Author: ycwu
Date: 2011-03-01 00:54:57 -0500 (Tue, 01 Mar 2011)
New Revision: 3498
Added:
trunk/osprey/testsuite/cases/single_src_cases/cg/x8664/
trunk/osprey/testsuite/cases/single_src_cases/cg/x8664/bug516.c
Modified:
trunk/osprey/be/cg/x8664/exp_loadstore.cxx
Log:
fixed bug 516
the use of store64 and ld64 is wrong when it's a mmx operation
store64_fm and ld64_2m should be used instead.
add the testcase too.
code review by lai jianxin, thanks
Modified: trunk/osprey/be/cg/x8664/exp_loadstore.cxx
===================================================================
--- trunk/osprey/be/cg/x8664/exp_loadstore.cxx 2011-02-28 16:46:35 UTC (rev
3497)
+++ trunk/osprey/be/cg/x8664/exp_loadstore.cxx 2011-03-01 05:54:57 UTC (rev
3498)
@@ -188,7 +188,9 @@
case MTYPE_V8I4:
case MTYPE_V8I8:
case MTYPE_V8F4:
- if ( rclass == ISA_REGISTER_CLASS_float )
+ if ( rclass == ISA_REGISTER_CLASS_mmx )
+ return base != NULL ? TOP_ld64_2m : TOP_ld64_2m_n32;
+ else if ( rclass == ISA_REGISTER_CLASS_float )
return base != NULL ? TOP_ld64_2sse : TOP_ld64_2sse_n32;
else
return base != NULL ? TOP_ld64 : TOP_ld64_off;
@@ -450,7 +452,9 @@
case MTYPE_V8I4:
case MTYPE_V8I8:
case MTYPE_V8F4:
- if ( rclass == ISA_REGISTER_CLASS_float )
+ if ( rclass == ISA_REGISTER_CLASS_mmx )
+ return base != NULL ? TOP_store64_fm : TOP_store64_fm_n32;
+ else if ( rclass == ISA_REGISTER_CLASS_float )
return base != NULL ? TOP_store64_fsse : TOP_store64_fsse_n32;
else
return base != NULL ? TOP_store64 : TOP_store64_off;
Added: trunk/osprey/testsuite/cases/single_src_cases/cg/x8664/bug516.c
===================================================================
--- trunk/osprey/testsuite/cases/single_src_cases/cg/x8664/bug516.c
(rev 0)
+++ trunk/osprey/testsuite/cases/single_src_cases/cg/x8664/bug516.c
2011-03-01 05:54:57 UTC (rev 3498)
@@ -0,0 +1,10 @@
+//OBJ
+//CFLAGS: -O0 -m32 -mmmx
+
+
+typedef float __v2f __attribute__ ((__vector_size__ (8)));
+__v2f
+foo3 (__v2f a0 ,__v2f a1,__v2f a2,__v2f a3)
+{
+ return a0;
+}
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