On Mon, Sep 02, 2024 at 02:04:42PM +0200, Christophe Leroy wrote: > SYM_FUNC_START(__arch_chacha20_blocks_nostack) > #ifdef __powerpc64__ > - blr > + std r5, -216(r1) > + > + std r14, -144(r1) > + std r15, -136(r1) > + std r16, -128(r1) > + std r17, -120(r1) > + std r18, -112(r1) > + std r19, -104(r1) > + std r20, -96(r1) > + std r21, -88(r1) > + std r22, -80(r1) > + std r23, -72(r1) > + std r24, -64(r1) > + std r25, -56(r1) > + std r26, -48(r1) > + std r27, -40(r1) > + std r28, -32(r1) > + std r29, -24(r1) > + std r30, -16(r1) > + std r31, -8(r1) > #else > stwu r1, -96(r1) > stw r5, 20(r1) > +#ifdef __BIG_ENDIAN__ > stmw r14, 24(r1) > +#else > + stw r14, 24(r1) > + stw r15, 28(r1) > + stw r16, 32(r1) > + stw r17, 36(r1) > + stw r18, 40(r1) > + stw r19, 44(r1) > + stw r20, 48(r1) > + stw r21, 52(r1) > + stw r22, 56(r1) > + stw r23, 60(r1) > + stw r24, 64(r1) > + stw r25, 68(r1) > + stw r26, 72(r1) > + stw r27, 76(r1) > + stw r28, 80(r1) > + stw r29, 84(r1) > + stw r30, 88(r1) > + stw r31, 92(r1) > +#endif > +#endif This confuses me. Why are you adding code to the !__powerpc64__ branch in this commit? (Also, why does stmw not work on LE?)