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[v3,15/21] tests/tcg/xtensa: update test_fp1 for DFPU

Message ID 20200708222101.24568-16-jcmvbkbc@gmail.com
State New
Headers show
Series target/xtensa: implement double precision FPU | expand

Commit Message

Max Filippov July 8, 2020, 10:20 p.m. UTC 
DFPU sets Invalid flag in FSR when at least one argument of FP
comparison opcodes is NaN, SNaN for most opcodes, any NaN for olt/ole.
Add checks for FSR and expected FSR values.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
 tests/tcg/xtensa/test_fp1.S | 62 ++++++++++++++++++++-----------------
 1 file changed, 34 insertions(+), 28 deletions(-)
diff mbox series

Patch

diff --git a/tests/tcg/xtensa/test_fp1.S b/tests/tcg/xtensa/test_fp1.S
index 6e182e5964bd..77336a3fcf2c 100644
--- a/tests/tcg/xtensa/test_fp1.S
+++ b/tests/tcg/xtensa/test_fp1.S
@@ -1,4 +1,5 @@ 
 #include "macros.inc"
+#include "fpu.h"
 
 test_suite fp1
 
@@ -9,7 +10,7 @@  test_suite fp1
     wfr     \fr, a2
 .endm
 
-.macro test_ord_ex op, br, fr0, fr1, v0, v1, r
+.macro test_ord_ex op, br, fr0, fr1, v0, v1, r, sr
     movi    a2, 0
     wur     a2, fsr
     movfp   \fr0, \v0
@@ -20,65 +21,70 @@  test_suite fp1
     movt    a2, a3, \br
     assert  eqi, a2, \r
     rur     a2, fsr
+#if DFPU
+    movi    a3, \sr
+    assert  eq, a2, a3
+#else
     assert  eqi, a2, 0
+#endif
 .endm
 
-.macro test_ord op, br, fr0, fr1, v0, v1, r
+.macro test_ord op, br, fr0, fr1, v0, v1, r, sr
     movi    a2, 0
     wur     a2, fcr
-    test_ord_ex \op, \br, \fr0, \fr1, \v0, \v1, \r
+    test_ord_ex \op, \br, \fr0, \fr1, \v0, \v1, \r, \sr
     movi    a2, 0x7c
     wur     a2, fcr
-    test_ord_ex \op, \br, \fr0, \fr1, \v0, \v1, \r
+    test_ord_ex \op, \br, \fr0, \fr1, \v0, \v1, \r, \sr
 .endm
 
-.macro test_ord_all op, aa, ab, ba, aPI, PIa, aN, Na, II, IN, NI
-    test_ord \op  b0,  f0,  f1, 0x3f800000, 0x3f800000, \aa
-    test_ord \op  b1,  f2,  f3, 0x3f800000, 0x3fc00000, \ab
-    test_ord \op  b2,  f4,  f5, 0x3fc00000, 0x3f800000, \ba
-    test_ord \op  b3,  f6,  f7, 0x3f800000, 0x7f800000, \aPI
-    test_ord \op  b4,  f8,  f9, 0x7f800000, 0x3f800000, \PIa
-    test_ord \op  b5, f10, f11, 0x3f800000, 0xffc00001, \aN
-    test_ord \op  b6, f12, f13, 0x3f800000, 0xff800001, \aN
-    test_ord \op  b7, f14, f15, 0x3f800000, 0x7f800001, \aN
-    test_ord \op  b8,  f0,  f1, 0x3f800000, 0x7fc00000, \aN
-    test_ord \op  b9,  f2,  f3, 0xffc00001, 0x3f800000, \Na
-    test_ord \op b10,  f4,  f5, 0xff800001, 0x3f800000, \Na
-    test_ord \op b11,  f6,  f7, 0x7f800001, 0x3f800000, \Na
-    test_ord \op b12,  f8,  f9, 0x7fc00000, 0x3f800000, \Na
-    test_ord \op b13, f10, f11, 0x7f800000, 0x7f800000, \II
-    test_ord \op b14, f12, f13, 0x7f800000, 0x7fc00000, \IN
-    test_ord \op b15, f14, f15, 0x7fc00000, 0x7f800000, \NI
+.macro test_ord_all op, aa, ab, ba, aPI, PIa, aN, Na, II, IN, NI, qnan_sr
+    test_ord \op  b0,  f0,  f1, 0x3f800000, 0x3f800000, \aa,  FSR__    /*   ord == ord */
+    test_ord \op  b1,  f2,  f3, 0x3f800000, 0x3fc00000, \ab,  FSR__    /*   ord <  ord */
+    test_ord \op  b2,  f4,  f5, 0x3fc00000, 0x3f800000, \ba,  FSR__    /*   ord >  ord */
+    test_ord \op  b3,  f6,  f7, 0x3f800000, 0x7f800000, \aPI, FSR__    /*   ord   +INF */
+    test_ord \op  b4,  f8,  f9, 0x7f800000, 0x3f800000, \PIa, FSR__    /*  +INF    ord */
+    test_ord \op  b5, f10, f11, 0x3f800000, 0xffc00001, \aN,  \qnan_sr /*   ord  -QNaN */
+    test_ord \op  b6, f12, f13, 0x3f800000, 0xff800001, \aN,  FSR_V    /*   ord  -SNaN */
+    test_ord \op  b7, f14, f15, 0x3f800000, 0x7f800001, \aN,  FSR_V    /*   ord  +SNaN */
+    test_ord \op  b8,  f0,  f1, 0x3f800000, 0x7fc00000, \aN,  \qnan_sr /*   ord  +QNaN */
+    test_ord \op  b9,  f2,  f3, 0xffc00001, 0x3f800000, \Na,  \qnan_sr /* -QNaN    ord */
+    test_ord \op b10,  f4,  f5, 0xff800001, 0x3f800000, \Na,  FSR_V    /* -SNaN    ord */
+    test_ord \op b11,  f6,  f7, 0x7f800001, 0x3f800000, \Na,  FSR_V    /* +SNaN    ord */
+    test_ord \op b12,  f8,  f9, 0x7fc00000, 0x3f800000, \Na,  \qnan_sr /* +QNaN    ord */
+    test_ord \op b13, f10, f11, 0x7f800000, 0x7f800000, \II,  FSR__    /*  +INF   +INF */
+    test_ord \op b14, f12, f13, 0x7f800000, 0x7fc00000, \IN,  \qnan_sr /*  +INF  +QNaN */
+    test_ord \op b15, f14, f15, 0x7fc00000, 0x7f800000, \NI,  \qnan_sr /* +QNaN   +INF */
 .endm
 
 test un_s
     movi    a2, 1
     wsr     a2, cpenable
-    test_ord_all un.s, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1
+    test_ord_all un.s, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, FSR__
 test_end
 
 test oeq_s
-    test_ord_all oeq.s, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0
+    test_ord_all oeq.s, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, FSR__
 test_end
 
 test ueq_s
-    test_ord_all ueq.s, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1
+    test_ord_all ueq.s, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, FSR__
 test_end
 
 test olt_s
-    test_ord_all olt.s, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0
+    test_ord_all olt.s, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, FSR_V
 test_end
 
 test ult_s
-    test_ord_all ult.s, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1
+    test_ord_all ult.s, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, FSR__
 test_end
 
 test ole_s
-    test_ord_all ole.s, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0
+    test_ord_all ole.s, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, FSR_V
 test_end
 
 test ule_s
-    test_ord_all ule.s, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1
+    test_ord_all ule.s, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, FSR__
 test_end
 
 .macro test_cond op, fr0, fr1, cr, v0, v1, r