On Tue, Sep 22, 2026 at 2:12 AM Matt Turner <[email protected]> wrote:
>
> Using a cast as an lvalue is a GCC extension that clang does not
> implement. Clang rejects the casts on asm output operands in
> longlong.h with -Winvalid-gnu-asm-cast, which is an error by default.
>
> GCC accepts such a cast only if the conversion is a no-op, which
> catches outputs of the wrong type, and we want to keep that check.
> Wrap each output cast in a new macro, __ll_check_output, which expands
> to the cast with GCC and to the bare operand with clang:
>
> : "=r" __ll_check_output (USItype, sh),
>
> With GCC the macro expands to the same cast as before. With clang,
> the i386 block, the x86_64 and sparc64 blocks for W_TYPE_SIZE 64, and
> the arm blocks (as C) now build.
I can live with this, so OK from my side - please give others the chance
to comment.
Richard.
> include/ChangeLog:
>
> * longlong.h (__ll_check_output): New macro.
> [__arc__, __arm__, __hppa, __i386__, __x86_64__, __M32R__,
> __mc68000__, __mc68020__, __m88000__, __ibm032__, __sh__,
> __sparc__, __sparc_v8__, __sparc_v9__, __sparclite__, __vax__]:
> Use it for the casts on asm output operands.
> ---
> include/longlong.h | 196
> ++++++++++++++++++++++++++++-------------------------
> 1 file changed, 103 insertions(+), 93 deletions(-)
>
> diff --git a/include/longlong.h b/include/longlong.h
> index 30671b662b8..8f58f1c7835 100644
> --- a/include/longlong.h
> +++ b/include/longlong.h
> @@ -123,6 +123,16 @@ extern const UQItype __clz_tab[256] attribute_hidden;
> #define __AND_CLOBBER_CC , "cc"
> #endif /* __GNUC__ < 2 */
>
> +/* Asm output operand X, written as "=r" __ll_check_output (TYPE, X).
> + GCC accepts a cast on an asm output only if the conversion is a no-op,
> + which catches outputs of the wrong type. Clang rejects such casts, so
> + use X as is. */
> +#ifdef __clang__
> +#define __ll_check_output(type, x) (x)
> +#else
> +#define __ll_check_output(type, x) ((type) (x))
> +#endif
> +
> #if defined (__aarch64__)
>
> #if W_TYPE_SIZE == 32
> @@ -195,8 +205,8 @@ extern UDItype __udiv_qrnnd (UDItype *, UDItype, UDItype,
> UDItype);
> #if defined (__arc__) && W_TYPE_SIZE == 32
> #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
> __asm__ ("add.f %1, %4, %5\n\tadc %0, %2, %3" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "%r" ((USItype) (ah)), \
> "rICal" ((USItype) (bh)), \
> "%r" ((USItype) (al)), \
> @@ -204,8 +214,8 @@ extern UDItype __udiv_qrnnd (UDItype *, UDItype, UDItype,
> UDItype);
> : "cc")
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
> __asm__ ("sub.f %1, %4, %5\n\tsbc %0, %2, %3" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "r" ((USItype) (ah)), \
> "rICal" ((USItype) (bh)), \
> "r" ((USItype) (al)), \
> @@ -231,16 +241,16 @@ extern UDItype __udiv_qrnnd (UDItype *, UDItype,
> UDItype, UDItype);
> && W_TYPE_SIZE == 32
> #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
> __asm__ ("adds %1, %4, %5\n\tadc %0, %2, %3" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "%r" ((USItype) (ah)), \
> "rI" ((USItype) (bh)), \
> "%r" ((USItype) (al)), \
> "rI" ((USItype) (bl)) __CLOBBER_CC)
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
> __asm__ ("subs %1, %4, %5\n\tsbc %0, %2, %3" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "r" ((USItype) (ah)), \
> "rI" ((USItype) (bh)), \
> "r" ((USItype) (al)), \
> @@ -263,8 +273,8 @@ extern UDItype __udiv_qrnnd (UDItype *, UDItype, UDItype,
> UDItype);
> " addcs %0, %0, #65536\n" \
> " adds %1, %1, %3, lsl #16\n" \
> " adc %0, %0, %3, lsr #16" \
> - : "=&r" ((USItype) (xh)), \
> - "=r" ((USItype) (xl)), \
> + : "=&r" __ll_check_output (USItype, xh), \
> + "=r" __ll_check_output (USItype, xl), \
> "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \
> : "r" ((USItype) (a)), \
> "r" ((USItype) (b)) __CLOBBER_CC ); \
> @@ -349,16 +359,16 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #if defined (__hppa) && W_TYPE_SIZE == 32
> #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
> __asm__ ("add %4,%5,%1\n\taddc %2,%3,%0" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "%rM" ((USItype) (ah)), \
> "rM" ((USItype) (bh)), \
> "%rM" ((USItype) (al)), \
> "rM" ((USItype) (bl)))
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
> __asm__ ("sub %4,%5,%1\n\tsubb %2,%3,%0" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "rM" ((USItype) (ah)), \
> "rM" ((USItype) (bh)), \
> "rM" ((USItype) (al)), \
> @@ -457,30 +467,30 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #if (defined (__i386__) || defined (__i486__)) && W_TYPE_SIZE == 32
> #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
> __asm__ ("add{l} {%5,%1|%1,%5}\n\tadc{l} {%3,%0|%0,%3}" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "%0" ((USItype) (ah)), \
> "g" ((USItype) (bh)), \
> "%1" ((USItype) (al)), \
> "g" ((USItype) (bl)))
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
> __asm__ ("sub{l} {%5,%1|%1,%5}\n\tsbb{l} {%3,%0|%0,%3}" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "0" ((USItype) (ah)), \
> "g" ((USItype) (bh)), \
> "1" ((USItype) (al)), \
> "g" ((USItype) (bl)))
> #define umul_ppmm(w1, w0, u, v) \
> __asm__ ("mul{l} %3" \
> - : "=a" ((USItype) (w0)), \
> - "=d" ((USItype) (w1)) \
> + : "=a" __ll_check_output (USItype, w0), \
> + "=d" __ll_check_output (USItype, w1) \
> : "%0" ((USItype) (u)), \
> "rm" ((USItype) (v)))
> #define udiv_qrnnd(q, r, n1, n0, dv) \
> __asm__ ("div{l} %4" \
> - : "=a" ((USItype) (q)), \
> - "=d" ((USItype) (r)) \
> + : "=a" __ll_check_output (USItype, q), \
> + "=d" __ll_check_output (USItype, r) \
> : "0" ((USItype) (n0)), \
> "1" ((USItype) (n1)), \
> "rm" ((USItype) (dv)))
> @@ -493,30 +503,30 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #if defined (__x86_64__) && W_TYPE_SIZE == 64
> #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
> __asm__ ("add{q} {%5,%1|%1,%5}\n\tadc{q} {%3,%0|%0,%3}" \
> - : "=r" ((UDItype) (sh)), \
> - "=&r" ((UDItype) (sl)) \
> + : "=r" __ll_check_output (UDItype, sh), \
> + "=&r" __ll_check_output (UDItype, sl) \
> : "%0" ((UDItype) (ah)), \
> "rme" ((UDItype) (bh)), \
> "%1" ((UDItype) (al)), \
> "rme" ((UDItype) (bl)))
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
> __asm__ ("sub{q} {%5,%1|%1,%5}\n\tsbb{q} {%3,%0|%0,%3}" \
> - : "=r" ((UDItype) (sh)), \
> - "=&r" ((UDItype) (sl)) \
> + : "=r" __ll_check_output (UDItype, sh), \
> + "=&r" __ll_check_output (UDItype, sl) \
> : "0" ((UDItype) (ah)), \
> "rme" ((UDItype) (bh)), \
> "1" ((UDItype) (al)), \
> "rme" ((UDItype) (bl)))
> #define umul_ppmm(w1, w0, u, v) \
> __asm__ ("mul{q} %3" \
> - : "=a" ((UDItype) (w0)), \
> - "=d" ((UDItype) (w1)) \
> + : "=a" __ll_check_output (UDItype, w0), \
> + "=d" __ll_check_output (UDItype, w1) \
> : "%0" ((UDItype) (u)), \
> "rm" ((UDItype) (v)))
> #define udiv_qrnnd(q, r, n1, n0, dv) \
> __asm__ ("div{q} %4" \
> - : "=a" ((UDItype) (q)), \
> - "=d" ((UDItype) (r)) \
> + : "=a" __ll_check_output (UDItype, q), \
> + "=d" __ll_check_output (UDItype, r) \
> : "0" ((UDItype) (n0)), \
> "1" ((UDItype) (n1)), \
> "rm" ((UDItype) (dv)))
> @@ -606,8 +616,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
> /* The cmp clears the condition bit. */ \
> __asm__ ("cmp %0,%0\n\taddx %1,%5\n\taddx %0,%3" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "0" ((USItype) (ah)), \
> "r" ((USItype) (bh)), \
> "1" ((USItype) (al)), \
> @@ -616,8 +626,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
> /* The cmp clears the condition bit. */ \
> __asm__ ("cmp %0,%0\n\tsubx %1,%5\n\tsubx %0,%3" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "0" ((USItype) (ah)), \
> "r" ((USItype) (bh)), \
> "1" ((USItype) (al)), \
> @@ -628,16 +638,16 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #if defined (__mc68000__) && W_TYPE_SIZE == 32
> #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
> __asm__ ("add%.l %5,%1\n\taddx%.l %3,%0" \
> - : "=d" ((USItype) (sh)), \
> - "=&d" ((USItype) (sl)) \
> + : "=d" __ll_check_output (USItype, sh), \
> + "=&d" __ll_check_output (USItype, sl) \
> : "%0" ((USItype) (ah)), \
> "d" ((USItype) (bh)), \
> "%1" ((USItype) (al)), \
> "g" ((USItype) (bl)))
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
> __asm__ ("sub%.l %5,%1\n\tsubx%.l %3,%0" \
> - : "=d" ((USItype) (sh)), \
> - "=&d" ((USItype) (sl)) \
> + : "=d" __ll_check_output (USItype, sh), \
> + "=&d" __ll_check_output (USItype, sl) \
> : "0" ((USItype) (ah)), \
> "d" ((USItype) (bh)), \
> "1" ((USItype) (al)), \
> @@ -647,23 +657,23 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #if (defined (__mc68020__) && !defined (__mc68060__))
> #define umul_ppmm(w1, w0, u, v) \
> __asm__ ("mulu%.l %3,%1:%0" \
> - : "=d" ((USItype) (w0)), \
> - "=d" ((USItype) (w1)) \
> + : "=d" __ll_check_output (USItype, w0), \
> + "=d" __ll_check_output (USItype, w1) \
> : "%0" ((USItype) (u)), \
> "dmi" ((USItype) (v)))
> #define UMUL_TIME 45
> #define udiv_qrnnd(q, r, n1, n0, d) \
> __asm__ ("divu%.l %4,%1:%0" \
> - : "=d" ((USItype) (q)), \
> - "=d" ((USItype) (r)) \
> + : "=d" __ll_check_output (USItype, q), \
> + "=d" __ll_check_output (USItype, r) \
> : "0" ((USItype) (n0)), \
> "1" ((USItype) (n1)), \
> "dmi" ((USItype) (d)))
> #define UDIV_TIME 90
> #define sdiv_qrnnd(q, r, n1, n0, d) \
> __asm__ ("divs%.l %4,%1:%0" \
> - : "=d" ((USItype) (q)), \
> - "=d" ((USItype) (r)) \
> + : "=d" __ll_check_output (USItype, q), \
> + "=d" __ll_check_output (USItype, r) \
> : "0" ((USItype) (n0)), \
> "1" ((USItype) (n1)), \
> "dmi" ((USItype) (d)))
> @@ -697,8 +707,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> " move%.l %/d2,%1\n" \
> " add%.l %/d1,%/d0\n" \
> " move%.l %/d0,%0" \
> - : "=g" ((USItype) (xh)), \
> - "=g" ((USItype) (xl)) \
> + : "=g" __ll_check_output (USItype, xh), \
> + "=g" __ll_check_output (USItype, xl) \
> : "g" ((USItype) (a)), \
> "g" ((USItype) (b)) \
> : "d0", "d1", "d2", "d3", "d4")
> @@ -733,8 +743,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> " move%.l %/d2,%1\n" \
> " add%.l %/d1,%/d0\n" \
> " move%.l %/d0,%0" \
> - : "=g" ((USItype) (xh)), \
> - "=g" ((USItype) (xl)) \
> + : "=g" __ll_check_output (USItype, xh), \
> + "=g" __ll_check_output (USItype, xl) \
> : "g" ((USItype) (a)), \
> "g" ((USItype) (b)) \
> : "d0", "d1", "d2", "d3", "d4")
> @@ -748,7 +758,7 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #if defined (__mc68020__) && !defined (__mcpu32__)
> #define count_leading_zeros(count, x) \
> __asm__ ("bfffo %1{%b2:%b2},%0" \
> - : "=d" ((USItype) (count)) \
> + : "=d" __ll_check_output (USItype, count) \
> : "od" ((USItype) (x)), "n" (0))
> /* Some ColdFire architectures have a ff1 instruction supported via
> __builtin_clz. */
> @@ -761,16 +771,16 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #if defined (__m88000__) && W_TYPE_SIZE == 32
> #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
> __asm__ ("addu.co %1,%r4,%r5\n\taddu.ci %0,%r2,%r3" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "%rJ" ((USItype) (ah)), \
> "rJ" ((USItype) (bh)), \
> "%rJ" ((USItype) (al)), \
> "rJ" ((USItype) (bl)))
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
> __asm__ ("subu.co %1,%r4,%r5\n\tsubu.ci %0,%r2,%r3" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "rJ" ((USItype) (ah)), \
> "rJ" ((USItype) (bh)), \
> "rJ" ((USItype) (al)), \
> @@ -997,16 +1007,16 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #if defined (__ibm032__) /* RT/ROMP */ && W_TYPE_SIZE == 32
> #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
> __asm__ ("a %1,%5\n\tae %0,%3" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "%0" ((USItype) (ah)), \
> "r" ((USItype) (bh)), \
> "%1" ((USItype) (al)), \
> "r" ((USItype) (bl)))
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
> __asm__ ("s %1,%5\n\tse %0,%3" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "0" ((USItype) (ah)), \
> "r" ((USItype) (bh)), \
> "1" ((USItype) (al)), \
> @@ -1035,8 +1045,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> " m r2,%3\n" \
> " cas %0,r2,r0\n" \
> " mfs r10,%1" \
> - : "=r" ((USItype) (ph)), \
> - "=r" ((USItype) (pl)) \
> + : "=r" __ll_check_output (USItype, ph), \
> + "=r" __ll_check_output (USItype, pl) \
> : "%r" (__m0), \
> "r" (__m1) \
> : "r2"); \
> @@ -1049,12 +1059,12 @@ extern UDItype __umulsidi3 (USItype, USItype);
> do { \
> if ((x) >= 0x10000)
> \
> __asm__ ("clz %0,%1" \
> - : "=r" ((USItype) (count)) \
> + : "=r" __ll_check_output (USItype, count) \
> : "r" ((USItype) (x) >> 16)); \
> else \
> {
> \
> __asm__ ("clz %0,%1" \
> - : "=r" ((USItype) (count)) \
> + : "=r" __ll_check_output (USItype, count) \
> : "r" ((USItype) (x)));
> \
> (count) += 16; \
> }
> \
> @@ -1130,8 +1140,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #define umul_ppmm(w1, w0, u, v) \
> __asm__ ( \
> "dmulu.l %2,%3\n\tsts%M1 macl,%1\n\tsts%M0 mach,%0"
> \
> - : "=r<" ((USItype)(w1)), \
> - "=r<" ((USItype)(w0)) \
> + : "=r<" __ll_check_output (USItype, w1), \
> + "=r<" __ll_check_output (USItype, w0) \
> : "r" ((USItype)(u)), \
> "r" ((USItype)(v)) \
> : "macl", "mach")
> @@ -1202,8 +1212,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> && W_TYPE_SIZE == 32
> #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
> __asm__ ("addcc %r4,%5,%1\n\taddx %r2,%3,%0" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "%rJ" ((USItype) (ah)), \
> "rI" ((USItype) (bh)), \
> "%rJ" ((USItype) (al)), \
> @@ -1211,8 +1221,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> __CLOBBER_CC)
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
> __asm__ ("subcc %r4,%5,%1\n\tsubx %r2,%3,%0" \
> - : "=r" ((USItype) (sh)), \
> - "=&r" ((USItype) (sl)) \
> + : "=r" __ll_check_output (USItype, sh), \
> + "=&r" __ll_check_output (USItype, sl) \
> : "rJ" ((USItype) (ah)), \
> "rI" ((USItype) (bh)), \
> "rJ" ((USItype) (al)), \
> @@ -1224,7 +1234,7 @@ extern UDItype __umulsidi3 (USItype, USItype);
> register USItype __g1 asm ("g1"); \
> __asm__ ("umul\t%2,%3,%1\n\t" \
> "srlx\t%1, 32, %0" \
> - : "=r" ((USItype) (w1)), \
> + : "=r" __ll_check_output (USItype, w1), \
> "=r" (__g1) \
> : "r" ((USItype) (u)), \
> "r" ((USItype) (v))); \
> @@ -1235,8 +1245,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> "udiv\t%3,%4,%0\n\t" \
> "umul\t%0,%4,%1\n\t" \
> "sub\t%3,%1,%1" \
> - : "=&r" ((USItype) (__q)), \
> - "=&r" ((USItype) (__r)) \
> + : "=&r" __ll_check_output (USItype, __q), \
> + "=&r" __ll_check_output (USItype, __r) \
> : "r" ((USItype) (__n1)), \
> "r" ((USItype) (__n0)), \
> "r" ((USItype) (__d)))
> @@ -1244,14 +1254,14 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #if defined (__sparc_v8__)
> #define umul_ppmm(w1, w0, u, v) \
> __asm__ ("umul %2,%3,%1;rd %%y,%0" \
> - : "=r" ((USItype) (w1)), \
> - "=r" ((USItype) (w0)) \
> + : "=r" __ll_check_output (USItype, w1), \
> + "=r" __ll_check_output (USItype, w0) \
> : "r" ((USItype) (u)), \
> "r" ((USItype) (v)))
> #define udiv_qrnnd(__q, __r, __n1, __n0, __d) \
> __asm__ ("mov %2,%%y;nop;nop;nop;udiv %3,%4,%0;umul %0,%4,%1;sub %3,%1,%1"\
> - : "=&r" ((USItype) (__q)), \
> - "=&r" ((USItype) (__r)) \
> + : "=&r" __ll_check_output (USItype, __q), \
> + "=&r" __ll_check_output (USItype, __r) \
> : "r" ((USItype) (__n1)), \
> "r" ((USItype) (__n0)), \
> "r" ((USItype) (__d)))
> @@ -1261,8 +1271,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> instructions scan (ffs from high bit) and divscc. */
> #define umul_ppmm(w1, w0, u, v) \
> __asm__ ("umul %2,%3,%1;rd %%y,%0" \
> - : "=r" ((USItype) (w1)), \
> - "=r" ((USItype) (w0)) \
> + : "=r" __ll_check_output (USItype, w1), \
> + "=r" __ll_check_output (USItype, w0) \
> : "r" ((USItype) (u)), \
> "r" ((USItype) (v)))
> #define udiv_qrnnd(q, r, n1, n0, d) \
> @@ -1305,8 +1315,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> " bl,a 1f\n" \
> " add %1,%4,%1\n" \
> "1: ! End of inline udiv_qrnnd" \
> - : "=r" ((USItype) (q)), \
> - "=r" ((USItype) (r)) \
> + : "=r" __ll_check_output (USItype, q), \
> + "=r" __ll_check_output (USItype, r) \
> : "r" ((USItype) (n1)), \
> "r" ((USItype) (n0)), \
> "rI" ((USItype) (d)) \
> @@ -1315,7 +1325,7 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #define count_leading_zeros(count, x) \
> do { \
> __asm__ ("scan %1,1,%0" \
> - : "=r" ((USItype) (count)) \
> + : "=r" __ll_check_output (USItype, count) \
> : "r" ((USItype) (x))); \
> } while (0)
> /* Early sparclites return 63 for an argument of 0, but they warn that future
> @@ -1365,8 +1375,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> " mulscc %%g1,0,%%g1\n" \
> " add %%g1,%%o5,%0\n" \
> " rd %%y,%1" \
> - : "=r" ((USItype) (w1)), \
> - "=r" ((USItype) (w0)) \
> + : "=r" __ll_check_output (USItype, w1), \
> + "=r" __ll_check_output (USItype, w0) \
> : "%rI" ((USItype) (u)), \
> "r" ((USItype) (v))
> \
> : "g1", "o5" __AND_CLOBBER_CC)
> @@ -1398,8 +1408,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> " sub %1,%2,%1\n" \
> "3: xnor %0,0,%0\n" \
> " ! End of inline udiv_qrnnd" \
> - : "=&r" ((USItype) (__q)), \
> - "=&r" ((USItype) (__r)) \
> + : "=&r" __ll_check_output (USItype, __q), \
> + "=&r" __ll_check_output (USItype, __r) \
> : "r" ((USItype) (__d)), \
> "1" ((USItype) (__n1)), \
> "0" ((USItype) (__n0)) : "g1" __AND_CLOBBER_CC)
> @@ -1418,8 +1428,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> "add\t%r3,%4,%0\n\t" \
> "movcs\t%%xcc, 1, %2\n\t" \
> "add\t%0, %2, %0" \
> - : "=r" ((UDItype)(sh)), \
> - "=&r" ((UDItype)(sl)), \
> + : "=r" __ll_check_output (UDItype, sh), \
> + "=&r" __ll_check_output (UDItype, sl), \
> "+r" (__carry) \
> : "%rJ" ((UDItype)(ah)), \
> "rI" ((UDItype)(bh)), \
> @@ -1435,8 +1445,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> "sub\t%r3,%4,%0\n\t" \
> "movcs\t%%xcc, 1, %2\n\t" \
> "sub\t%0, %2, %0" \
> - : "=r" ((UDItype)(sh)), \
> - "=&r" ((UDItype)(sl)), \
> + : "=r" __ll_check_output (UDItype, sh), \
> + "=&r" __ll_check_output (UDItype, sl), \
> "+r" (__carry) \
> : "%rJ" ((UDItype)(ah)), \
> "rI" ((UDItype)(bh)), \
> @@ -1470,8 +1480,8 @@ extern UDItype __umulsidi3 (USItype, USItype);
> "sllx %3,32,%3\n\t" \
> "add %1,%3,%1\n\t" \
> "add %5,%2,%0" \
> - : "=r" ((UDItype)(wh)), \
> - "=&r" ((UDItype)(wl)), \
> + : "=r" __ll_check_output (UDItype, wh), \
> + "=&r" __ll_check_output (UDItype, wl), \
> "=&r" (tmp1), "=&r" (tmp2), "=&r" (tmp3), "=&r" (tmp4) \
> : "r" ((UDItype)(u)), \
> "r" ((UDItype)(v)) \
> @@ -1484,16 +1494,16 @@ extern UDItype __umulsidi3 (USItype, USItype);
> #if defined (__vax__) && W_TYPE_SIZE == 32
> #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
> __asm__ ("addl2 %5,%1\n\tadwc %3,%0" \
> - : "=g" ((USItype) (sh)), \
> - "=&g" ((USItype) (sl)) \
> + : "=g" __ll_check_output (USItype, sh), \
> + "=&g" __ll_check_output (USItype, sl) \
> : "%0" ((USItype) (ah)), \
> "g" ((USItype) (bh)), \
> "%1" ((USItype) (al)), \
> "g" ((USItype) (bl)))
> #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
> __asm__ ("subl2 %5,%1\n\tsbwc %3,%0" \
> - : "=g" ((USItype) (sh)), \
> - "=&g" ((USItype) (sl)) \
> + : "=g" __ll_check_output (USItype, sh), \
> + "=&g" __ll_check_output (USItype, sl) \
> : "0" ((USItype) (ah)), \
> "g" ((USItype) (bh)), \
> "1" ((USItype) (al)), \
>
> --
> 2.54.0
>
