From: Eric Botcazou Date: Sat, 8 Mar 2003 07:32:36 +0000 (+0000) Subject: re PR middle-end/7796 (sparc-sun-solaris2.7 extra failure w/-m64 on execute/930921... X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ed97aa662b866f3f17e09f52740ad3acfe1cebe5;p=gcc.git re PR middle-end/7796 (sparc-sun-solaris2.7 extra failure w/-m64 on execute/930921-1.c in unroll.c) PR middle-end/7796 * unroll.c (calculate_giv_inc): Handle constants being loaded with LSHIFTRT. From-SVN: r63971 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index db014873ee3..663b3eb5430 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2003-03-08 Eric Botcazou + + PR middle-end/7796 + * unroll.c (calculate_giv_inc): Handle constants being + loaded with LSHIFTRT. + 2003-03-07 David Edelsohn * config/rs6000/rs6000.c (processor_target_table): Do not disable @@ -20,7 +26,7 @@ 2003-03-07 James E Wilson -        * config/sh/sh.h (HARD_REGNO_NREGS): Round up the XD register count. + * config/sh/sh.h (HARD_REGNO_NREGS): Round up the XD register count. 2003-03-07 Geoffrey Keating diff --git a/gcc/unroll.c b/gcc/unroll.c index 982b32dfbf2..3b5dd7c91f8 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -1624,11 +1624,13 @@ calculate_giv_inc (pattern, src_insn, regno) } else if (GET_CODE (increment) == IOR + || GET_CODE (increment) == PLUS || GET_CODE (increment) == ASHIFT - || GET_CODE (increment) == PLUS) + || GET_CODE (increment) == LSHIFTRT) { /* The rs6000 port loads some constants with IOR. - The alpha port loads some constants with ASHIFT and PLUS. */ + The alpha port loads some constants with ASHIFT and PLUS. + The sparc64 port loads some constants with LSHIFTRT. */ rtx second_part = XEXP (increment, 1); enum rtx_code code = GET_CODE (increment); @@ -1645,8 +1647,10 @@ calculate_giv_inc (pattern, src_insn, regno) increment = GEN_INT (INTVAL (increment) | INTVAL (second_part)); else if (code == PLUS) increment = GEN_INT (INTVAL (increment) + INTVAL (second_part)); - else + else if (code == ASHIFT) increment = GEN_INT (INTVAL (increment) << INTVAL (second_part)); + else + increment = GEN_INT ((unsigned HOST_WIDE_INT) INTVAL (increment) >> INTVAL (second_part)); } if (GET_CODE (increment) != CONST_INT)