Merge remote-tracking branch 'remotes/palmer/tags/riscv-for-master-4.0-rc1-v2' into staging

A second RISC-V Patch for 4.0.0-rc1

Sorry for sending two back-to-back pull requests.  It looks like I
misunderstood Kito and there were actually two patches necessary to fix
the GCC test suite runs.

# gpg: Signature made Tue 26 Mar 2019 10:20:20 GMT
# gpg:                using RSA key 00CE76D1834960DFCE886DF8EF4CA1502CCBAB41
# gpg:                issuer "palmer@dabbelt.com"
# gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>" [unknown]
# gpg:                 aka "Palmer Dabbelt <palmer@sifive.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 00CE 76D1 8349 60DF CE88  6DF8 EF4C A150 2CCB AB41

* remotes/palmer/tags/riscv-for-master-4.0-rc1-v2:
  target/riscv: Fix wrong expanding for c.fswsp

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

target/riscv/insn_trans/trans_rvc.inc.c

@@ -337,7 +337,7 @@ static bool trans_c_fswsp_sdsp(DisasContext *ctx, arg_c_fswsp_sdsp *a)
 {
 #ifdef TARGET_RISCV32
     /* C.FSWSP */
-    arg_fsw a_fsw = { .rs1 = a->rs2, .rs2 = 2, .imm = a->uimm_fswsp };
+    arg_fsw a_fsw = { .rs1 = 2, .rs2 = a->rs2, .imm = a->uimm_fswsp };
     return trans_fsw(ctx, &a_fsw);
 #else
     /* C.SDSP */