On Fri, 2023-12-01 at 15:46 +0800, Yang Yujie wrote:
> diff --git a/libphobos/src/std/math/hardware.d
> b/libphobos/src/std/math/hardware.d
> index cb6cb87845c..8d11459a8ac 100644
> --- a/libphobos/src/std/math/hardware.d
> +++ b/libphobos/src/std/math/hardware.d
> @@ -177,6 +177,20 @@ private:
> return result;
> }
> }
> + else version (LoongArch_Any)
> + {
> + version (D_SoftFloat)
> + return 0;
> + else
> + {
> + uint result = void;
> + asm pure nothrow @nogc
> + {
> + "movfcsr2gr %0,$r2" : "=r" (result);
> + }
> + return result & EXCEPTIONS_MASK;
> + }
> + }
> else
> assert(0, "Not yet supported");
> }
> @@ -285,6 +299,18 @@ private:
> }
> }
> }
> + else version (LoongArch_Any)
> + {
> + version (D_SoftFloat)
> + return;
> + else
> + {
> + asm nothrow @nogc
> + {
> + "movgr2fcsr $r2,$r0";
> + }
> + }
> + }
> else
> assert(0, "Not yet supported");
> }
> @@ -999,6 +1025,20 @@ private:
> }
> return cont;
> }
> + else version (LoongArch_Any)
> + {
> + version (D_SoftFloat)
> + return 0;
> + else
> + {
> + ControlState cont;
> + asm pure nothrow @nogc
> + {
> + "movfcsr2gr %0,$r0" : "=r" (cont);
> + }
> + cont &= (roundingMask | allExceptions);
> + }
> + }
> else version (RISCV_Any)
> {
> version (D_SoftFloat)
> @@ -1118,6 +1158,19 @@ private:
> }
> }
> }
> + else version (LoongArch_Any)
> + {
> + version (D_SoftFloat)
> + return;
> + else
> + {
> + asm nothrow @nogc
> + {
> + "movgr2fcsr $r0,%0" :
> + : "r" (newState & (roundingMask |
> allExceptions));
> + }
> + }
> + }
> else version (RISCV_Any)
> {
> version (D_SoftFloat)
This part seems
https://github.com/dlang/phobos/commit/870eb5d5d6972b12dd4b69d48ef049abee811b6b.
Iain: would it be better to just perform a merge from upstream dmd?
--
Xi Ruoyao <xry...@xry111.site>
School of Aerospace Science and Technology, Xidian University
