diff options
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 48 |
1 files changed, 40 insertions, 8 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index 015637e47aa..2b770581271 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -1310,18 +1310,34 @@ push_reload (rtx in, rtx out, rtx *inloc, rtx *outloc, and IN or CLASS and OUT. Get the icode and push any required reloads needed for each of them if so. */ + /* APPLE LOCAL begin restoration of inmode/outmode */ #ifdef SECONDARY_INPUT_RELOAD_CLASS if (in != 0) - secondary_in_reload - = push_secondary_reload (1, in, opnum, optional, class, inmode, type, - &secondary_in_icode); + { + secondary_in_reload + = push_secondary_reload (1, in, opnum, optional, class, inmode, type, + &secondary_in_icode); +#ifdef TARGET_POWERPC + if ( secondary_in_reload != -1 && in_subreg_loc ) + inmode = GET_MODE (*in_subreg_loc); +#endif + } + /* APPLE LOCAL end restoration of inmode/outmode */ #endif #ifdef SECONDARY_OUTPUT_RELOAD_CLASS + /* APPLE LOCAL begin restoration of inmode/outmode */ if (out != 0 && GET_CODE (out) != SCRATCH) - secondary_out_reload - = push_secondary_reload (0, out, opnum, optional, class, outmode, - type, &secondary_out_icode); + { + secondary_out_reload + = push_secondary_reload (0, out, opnum, optional, class, outmode, + type, &secondary_out_icode); +#ifdef TARGET_POWERPC + if ( secondary_out_reload != -1 && out_subreg_loc ) + outmode = GET_MODE (*out_subreg_loc); +#endif + } + /* APPLE LOCAL end restoration of inmode/outmode */ #endif /* We found no existing reload suitable for re-use. @@ -1729,7 +1745,13 @@ combine_reloads (void) if ((rld[i].when_needed == RELOAD_FOR_OUTPUT_ADDRESS || rld[i].when_needed == RELOAD_FOR_OUTADDR_ADDRESS) && rld[i].opnum == rld[output_reload].opnum) + /* APPLE LOCAL begin try destroyed input */ +#ifdef TARGET_POWERPC + goto try_destroyed_input; +#else return; +#endif + /* APPLE LOCAL end try destroyed input */ /* Check each input reload; can we combine it? */ @@ -1826,6 +1848,11 @@ combine_reloads (void) that it does not occur in the output (we already know it isn't an earlyclobber. If this is an asm insn, give up. */ + /* APPLE LOCAL begin try destroyed input */ +#ifdef TARGET_POWERPC + try_destroyed_input: +#endif + /* APPLE LOCAL end try destroyed input */ if (INSN_CODE (this_insn) == -1) return; @@ -2159,15 +2186,20 @@ operands_match_p (rtx x, rtx y) else j = REGNO (y); + /* APPLE LOCAL begin mainline 2005-03-04 */ /* On a WORDS_BIG_ENDIAN machine, point to the last register of a - multiple hard register group, so that for example (reg:DI 0) and - (reg:SI 1) will be considered the same register. */ + multiple hard register group of scalar integer registers, so that + for example (reg:DI 0) and (reg:SI 1) will be considered the same + register. */ if (WORDS_BIG_ENDIAN && GET_MODE_SIZE (GET_MODE (x)) > UNITS_PER_WORD + && SCALAR_INT_MODE_P (GET_MODE (x)) && i < FIRST_PSEUDO_REGISTER) i += hard_regno_nregs[i][GET_MODE (x)] - 1; if (WORDS_BIG_ENDIAN && GET_MODE_SIZE (GET_MODE (y)) > UNITS_PER_WORD + && SCALAR_INT_MODE_P (GET_MODE (y)) && j < FIRST_PSEUDO_REGISTER) j += hard_regno_nregs[j][GET_MODE (y)] - 1; + /* APPLE LOCAL end mainline 2005-03-04 */ return i == j; } |