diff options
Diffstat (limited to 'gcc-4.9/gcc/config/sh/sh.c')
| -rw-r--r-- | gcc-4.9/gcc/config/sh/sh.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/sh/sh.c b/gcc-4.9/gcc/config/sh/sh.c index 12724a20d..62dcf0cb3 100644 --- a/gcc-4.9/gcc/config/sh/sh.c +++ b/gcc-4.9/gcc/config/sh/sh.c @@ -10207,6 +10207,10 @@ sh_legitimate_index_p (enum machine_mode mode, rtx op, bool consider_sh2a, static bool sh_legitimate_address_p (enum machine_mode mode, rtx x, bool strict) { + if (! ALLOW_INDEXED_ADDRESS + && GET_CODE (x) == PLUS && REG_P (XEXP (x, 0)) && REG_P (XEXP (x, 1))) + return false; + if (REG_P (x) && REGNO (x) == GBR_REG) return true; @@ -10436,6 +10440,28 @@ sh_legitimize_reload_address (rtx *p, enum machine_mode mode, int opnum, enum reload_type type = (enum reload_type) itype; const int mode_sz = GET_MODE_SIZE (mode); + if (! ALLOW_INDEXED_ADDRESS + && GET_CODE (*p) == PLUS + && REG_P (XEXP (*p, 0)) && REG_P (XEXP (*p, 1))) + { + *p = copy_rtx (*p); + push_reload (*p, NULL_RTX, p, NULL, + BASE_REG_CLASS, Pmode, VOIDmode, 0, 0, opnum, type); + return true; + } + + if (! ALLOW_INDEXED_ADDRESS + && GET_CODE (*p) == PLUS + && GET_CODE (XEXP (*p, 0)) == PLUS) + { + rtx sum = gen_rtx_PLUS (Pmode, XEXP (XEXP (*p, 0), 0), + XEXP (XEXP (*p, 0), 1)); + *p = gen_rtx_PLUS (Pmode, sum, XEXP (*p, 1)); + push_reload (sum, NULL_RTX, &XEXP (*p, 0), NULL, + BASE_REG_CLASS, Pmode, VOIDmode, 0, 0, opnum, type); + return true; + } + if (TARGET_SHMEDIA) return false; |