From 8802c5de9d7251f3be69cec287384af774b3a27f Mon Sep 17 00:00:00 2001 From: Nils Wallménius Date: Tue, 23 Nov 2010 11:58:00 +0000 Subject: codeclib: don't mark the outputs for the coldfire X(N)PROD_R asm macros as earlyclobbers as they are not, lets gcc produce better code. Speedup of 0.2-0.3MHz for codecs using the mdct, (larger speedup when building with gcc 4.4). git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28650 a1c6a512-1295-4272-9138-f99709370657 --- apps/codecs/lib/asm_mcf5249.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'apps') diff --git a/apps/codecs/lib/asm_mcf5249.h b/apps/codecs/lib/asm_mcf5249.h index 12b69c9e51..9be92d2f2d 100644 --- a/apps/codecs/lib/asm_mcf5249.h +++ b/apps/codecs/lib/asm_mcf5249.h @@ -117,7 +117,7 @@ void XNPROD31(int32_t a, int32_t b, "asr.l #1, %[x];" \ "movclr.l %%acc1, %[y];" \ "asr.l #1, %[y];" \ - : [x] "=&d" (_x), [y] "=&d" (_y) \ + : [x] "=d" (_x), [y] "=d" (_y) \ : [a] "r" (_a), [b] "r" (_b), \ [t] "r" (_t), [v] "r" (_v) \ : "cc"); @@ -129,7 +129,7 @@ void XNPROD31(int32_t a, int32_t b, "msac.l %[a], %[v], %%acc1;" \ "movclr.l %%acc0, %[x];" \ "movclr.l %%acc1, %[y];" \ - : [x] "=&d" (_x), [y] "=&d" (_y) \ + : [x] "=d" (_x), [y] "=d" (_y) \ : [a] "r" (_a), [b] "r" (_b), \ [t] "r" (_t), [v] "r" (_v) \ : "cc"); @@ -141,7 +141,7 @@ void XNPROD31(int32_t a, int32_t b, "mac.l %[a], %[v], %%acc1;" \ "movclr.l %%acc0, %[x];" \ "movclr.l %%acc1, %[y];" \ - : [x] "=&d" (_x), [y] "=&d" (_y) \ + : [x] "=d" (_x), [y] "=d" (_y) \ : [a] "r" (_a), [b] "r" (_b), \ [t] "r" (_t), [v] "r" (_v) \ : "cc"); -- cgit v1.2.3