aboutsummaryrefslogtreecommitdiff
path: root/sim/testsuite
diff options
context:
space:
mode:
authorJim Wilson <jim.wilson@linaro.org>2016-12-21 12:33:12 -0800
committerJim Wilson <jim.wilson@linaro.org>2016-12-21 12:33:12 -0800
commit87903eafb083abbf330c22fbf941fcbad700c098 (patch)
tree832a5f42fb2e2488edc7a47f8f9e23225e39c1a7 /sim/testsuite
parentf0d19df99dfe1c63842206d15ae41dfd33d25bf0 (diff)
downloadgdb-87903eafb083abbf330c22fbf941fcbad700c098.zip
gdb-87903eafb083abbf330c22fbf941fcbad700c098.tar.gz
gdb-87903eafb083abbf330c22fbf941fcbad700c098.tar.bz2
Fix bugs with float compare and Inf operands.
sim/aarch64/ * simulator.c (set_flags_for_float_compare): Add code to handle Inf. Add comment to document NaN issue. (set_flags_for_double_compare): Likewise. sim/testsuite/sim/aarch64/ * fcmp.s: New.
Diffstat (limited to 'sim/testsuite')
-rw-r--r--sim/testsuite/sim/aarch64/ChangeLog4
-rw-r--r--sim/testsuite/sim/aarch64/fcmp.s146
2 files changed, 150 insertions, 0 deletions
diff --git a/sim/testsuite/sim/aarch64/ChangeLog b/sim/testsuite/sim/aarch64/ChangeLog
index ff047e3..a130a97 100644
--- a/sim/testsuite/sim/aarch64/ChangeLog
+++ b/sim/testsuite/sim/aarch64/ChangeLog
@@ -1,3 +1,7 @@
+2016-12-21 Jim Wilson <jim.wilson@linaro.org>
+
+ * fcmp.s: New.
+
2016-12-13 Jim Wilson <jim.wilson@linaro.org>
* testutils.inc (pass): Move .Lpass to start.
diff --git a/sim/testsuite/sim/aarch64/fcmp.s b/sim/testsuite/sim/aarch64/fcmp.s
new file mode 100644
index 0000000..fd826c4
--- /dev/null
+++ b/sim/testsuite/sim/aarch64/fcmp.s
@@ -0,0 +1,146 @@
+# mach: aarch64
+
+# Check the FP compare instructions: fcmps, fcmpzs, fcmpes, fcmpzes, fcmpd,
+# fcmpzd, fcmped, fcmpzed.
+# For 1 operand compares, check 0, 1, -1, +Inf, -Inf.
+# For 2 operand compares, check 1/1, 1/-2, -1/2, +Inf/+Inf, +Inf/-Inf.
+# FIXME: Check for qNaN and sNaN when exception raising support added.
+
+.include "testutils.inc"
+
+ start
+ fmov s0, wzr
+ fcmp s0, #0.0
+ bne .Lfailure
+ fcmpe s0, #0.0
+ bne .Lfailure
+ fmov d0, xzr
+ fcmp d0, #0.0
+ bne .Lfailure
+ fcmpe d0, #0.0
+ bne .Lfailure
+
+ fmov s0, #1.0
+ fcmp s0, #0.0
+ blo .Lfailure
+ fcmpe s0, #0.0
+ blo .Lfailure
+ fmov d0, #1.0
+ fcmp d0, #0.0
+ blo .Lfailure
+ fcmpe d0, #0.0
+ blo .Lfailure
+
+ fmov s0, #-1.0
+ fcmp s0, #0.0
+ bpl .Lfailure
+ fcmpe s0, #0.0
+ bpl .Lfailure
+ fmov d0, #-1.0
+ fcmp d0, #0.0
+ bpl .Lfailure
+ fcmpe d0, #0.0
+ bpl .Lfailure
+
+ fmov s0, #1.0
+ fmov s1, wzr
+ fdiv s0, s0, s1
+ fcmp s0, #0.0
+ blo .Lfailure
+ fcmpe s0, #0.0
+ blo .Lfailure
+ fmov d0, #1.0
+ fmov d1, xzr
+ fdiv d0, d0, d1
+ fcmp d0, #0.0
+ blo .Lfailure
+ fcmpe d0, #0.0
+ blo .Lfailure
+
+ fmov s0, #-1.0
+ fmov s1, wzr
+ fdiv s0, s0, s1
+ fcmp s0, #0.0
+ bpl .Lfailure
+ fcmpe s0, #0.0
+ bpl .Lfailure
+ fmov d0, #-1.0
+ fmov d1, xzr
+ fdiv d0, d0, d1
+ fcmp d0, #0.0
+ bpl .Lfailure
+ fcmpe d0, #0.0
+ bpl .Lfailure
+
+ fmov s0, #1.0
+ fmov s1, #1.0
+ fcmp s0, s1
+ bne .Lfailure
+ fcmpe s0, s1
+ bne .Lfailure
+ fmov d0, #1.0
+ fmov d1, #1.0
+ fcmp d0, d1
+ bne .Lfailure
+ fcmpe d0, d1
+ bne .Lfailure
+
+ fmov s0, #1.0
+ fmov s1, #-2.0
+ fcmp s0, s1
+ blo .Lfailure
+ fcmpe s0, s1
+ blo .Lfailure
+ fmov d0, #1.0
+ fmov d1, #-2.0
+ fcmp d0, d1
+ blo .Lfailure
+ fcmpe d0, d1
+ blo .Lfailure
+
+ fmov s0, #-1.0
+ fmov s1, #2.0
+ fcmp s0, s1
+ bpl .Lfailure
+ fcmpe s0, s1
+ bpl .Lfailure
+ fmov d0, #-1.0
+ fmov d1, #2.0
+ fcmp d0, d1
+ bpl .Lfailure
+ fcmpe d0, d1
+ bpl .Lfailure
+
+ fmov s0, #1.0
+ fmov s1, wzr
+ fdiv s0, s0, s1
+ fcmp s0, s0
+ bne .Lfailure
+ fcmpe s0, s0
+ bne .Lfailure
+ fmov s1, #-1.0
+ fmov s2, wzr
+ fdiv s1, s1, s2
+ fcmp s0, s1
+ blo .Lfailure
+ fcmpe s0, s1
+ blo .Lfailure
+
+ fmov d0, #1.0
+ fmov d1, xzr
+ fdiv d0, d0, d1
+ fcmp d0, d0
+ bne .Lfailure
+ fcmpe d0, d0
+ bne .Lfailure
+ fmov d1, #-1.0
+ fmov d2, xzr
+ fdiv d1, d1, d2
+ fcmp d0, d1
+ blo .Lfailure
+ fcmpe d0, d1
+ blo .Lfailure
+
+ pass
+.Lfailure:
+ fail