diff options
Diffstat (limited to 'gcc/config/sh/sh-mem.cc')
| -rw-r--r-- | gcc/config/sh/sh-mem.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/config/sh/sh-mem.cc b/gcc/config/sh/sh-mem.cc index 3f7041c..8fce979 100644 --- a/gcc/config/sh/sh-mem.cc +++ b/gcc/config/sh/sh-mem.cc @@ -349,12 +349,13 @@ sh_expand_cmpnstr (rtx *operands) rtx len = copy_to_mode_reg (SImode, operands[3]); int constp = CONST_INT_P (operands[3]); + HOST_WIDE_INT bytes = constp ? INTVAL (operands[3]) : 0; const unsigned int addr1_alignment = MEM_ALIGN (operands[1]) / BITS_PER_UNIT; const unsigned int addr2_alignment = MEM_ALIGN (operands[2]) / BITS_PER_UNIT; /* Loop on a register count. */ - if (constp) + if (constp && bytes >= 0 && bytes < 32) { rtx tmp0 = gen_reg_rtx (SImode); rtx tmp3 = gen_reg_rtx (SImode); @@ -363,7 +364,6 @@ sh_expand_cmpnstr (rtx *operands) rtx_code_label *L_loop_long = gen_label_rtx (); rtx_code_label *L_end_loop_long = gen_label_rtx (); - int bytes = INTVAL (operands[3]); int witers = bytes / 4; if (witers > 1) |