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Re: [PATCH] gdb/riscv: Update test to handle targets without an fpu


On Tue, 04 Dec 2018 05:29:34 PST (-0800), andrew.burgess@embecosm.com wrote:
The FPU is optional on RISC-V.  The gdb.base/float.exp test currently
assumes that an fpu is always available on RISC-V.  Update the test so
that this is not the case.

gdb/testsuite/ChangeLog:

	* gdb.base/float.exp: Handle RISC-V targets without an FPU.
---
 gdb/testsuite/ChangeLog          |  4 ++++
 gdb/testsuite/gdb.base/float.exp | 10 +++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/gdb/testsuite/gdb.base/float.exp b/gdb/testsuite/gdb.base/float.exp
index 71d3f60c499..23d68a13dfc 100644
--- a/gdb/testsuite/gdb.base/float.exp
+++ b/gdb/testsuite/gdb.base/float.exp
@@ -111,7 +111,15 @@ if { [is_aarch64_target] } then {
 } elseif [istarget "sparc*-*-*"] then {
     gdb_test "info float" "f0.*f1.*f31.*d0.*d30.*" "info float"
 } elseif [istarget "riscv*-*-*"] then {
-    gdb_test "info float" "ft0.*ft1.*ft11.*fflags.*frm.*fcsr.*" "info float"
+    # RISC-V may or may not have an FPU
+    gdb_test_multiple "info float" "info float" {
+	-re "ft0.*ft1.*ft11.*fflags.*frm.*fcsr.*$gdb_prompt $" {
+	      pass "info float (with FPU)"
+	  }
+	-re "No floating.point info available for this processor.*$gdb_prompt $" {
+	      pass "info float (without FPU)"
+	}
+    }
 } else {
     gdb_test "info float" "No floating.point info available for this processor." "info float (unknown target)"
 }

Thanks!


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