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[11/15] target/arm: Use new FPCR_NZCV_MASK constant

Message ID 20201116160831.31000-12-peter.maydell@linaro.org (mailing list archive)
State New, archived
Headers show
Series target/arm: More v8.1M features | expand

Commit Message

Peter Maydell Nov. 16, 2020, 4:08 p.m. UTC
We defined a constant name for the mask of NZCV bits in the FPCR/FPSCR
in the previous commit; use it in a couple of places in existing code,
where we're masking out everything except NZCV for the "load to Rt=15
sets CPSR.NZCV" special case.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/translate-vfp.c.inc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Richard Henderson Nov. 17, 2020, 7:49 p.m. UTC | #1
On 11/16/20 8:08 AM, Peter Maydell wrote:
> We defined a constant name for the mask of NZCV bits in the FPCR/FPSCR
> in the previous commit; use it in a couple of places in existing code,
> where we're masking out everything except NZCV for the "load to Rt=15
> sets CPSR.NZCV" special case.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
>  target/arm/translate-vfp.c.inc | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~
diff mbox series

Patch

diff --git a/target/arm/translate-vfp.c.inc b/target/arm/translate-vfp.c.inc
index 84e806004e4..1ccaccbc834 100644
--- a/target/arm/translate-vfp.c.inc
+++ b/target/arm/translate-vfp.c.inc
@@ -743,7 +743,7 @@  static bool gen_M_fp_sysreg_read(DisasContext *s, int regno,
          * helper call for the "VMRS to CPSR.NZCV" insn.
          */
         tmp = load_cpu_field(vfp.xregs[ARM_VFP_FPSCR]);
-        tcg_gen_andi_i32(tmp, tmp, 0xf0000000);
+        tcg_gen_andi_i32(tmp, tmp, FPCR_NZCV_MASK);
         storefn(s, opaque, tmp);
         break;
     default:
@@ -884,7 +884,7 @@  static bool trans_VMSR_VMRS(DisasContext *s, arg_VMSR_VMRS *a)
         case ARM_VFP_FPSCR:
             if (a->rt == 15) {
                 tmp = load_cpu_field(vfp.xregs[ARM_VFP_FPSCR]);
-                tcg_gen_andi_i32(tmp, tmp, 0xf0000000);
+                tcg_gen_andi_i32(tmp, tmp, FPCR_NZCV_MASK);
             } else {
                 tmp = tcg_temp_new_i32();
                 gen_helper_vfp_get_fpscr(tmp, cpu_env);