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| author | Kaz Kojima <kkojima@gcc.gnu.org> | 2016-11-19 13:59:47 +0000 |
|---|---|---|
| committer | Kaz Kojima <kkojima@gcc.gnu.org> | 2016-11-19 13:59:47 +0000 |
| commit | e8fe0e46170419bfe47bbaf381e38e7ddc525ef6 (patch) | |
| tree | 104c3168dfae8aed6ed2e6f9059e1610d3949759 | |
| parent | 0333b8d06de3c9ac38360e351f89c87ccac23fcc (diff) | |
| download | gcc-e8fe0e46170419bfe47bbaf381e38e7ddc525ef6.tar.gz | |
re PR target/78426 (wrong code with strncmp on SH)
PR target/78426
* config/sh/sh-mem.cc (sh_expand_cmpnstr): Use copy_to_mode_reg
instead of force_reg.
(sh_expand_setmem): Likewise.
From-SVN: r242622
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/sh/sh-mem.cc | 6 |
2 files changed, 10 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 65e927ad223..fd09a790494 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2016-11-19 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/78426 + * config/sh/sh-mem.cc (sh_expand_cmpnstr): Use copy_to_mode_reg + instead of force_reg. + (sh_expand_setmem): Likewise. + 2016-11-19 Krister Walfridsson <krister.walfridsson@gmail.com> * config.gcc (*-*-netbsd): Set use_gcc_stdint=wrap. diff --git a/gcc/config/sh/sh-mem.cc b/gcc/config/sh/sh-mem.cc index b965aed1684..f91afa5064f 100644 --- a/gcc/config/sh/sh-mem.cc +++ b/gcc/config/sh/sh-mem.cc @@ -347,7 +347,7 @@ sh_expand_cmpnstr (rtx *operands) rtx_code_label *L_loop_byte = gen_label_rtx (); rtx_code_label *L_end_loop_byte = gen_label_rtx (); - rtx len = force_reg (SImode, operands[3]); + rtx len = copy_to_mode_reg (SImode, operands[3]); int constp = CONST_INT_P (operands[3]); const unsigned int addr1_alignment = MEM_ALIGN (operands[1]) / BITS_PER_UNIT; @@ -672,9 +672,9 @@ sh_expand_setmem (rtx *operands) rtx_insn *jump; rtx dest = copy_rtx (operands[0]); rtx dest_addr = copy_addr_to_reg (XEXP (dest, 0)); - rtx val = force_reg (SImode, operands[2]); + rtx val = copy_to_mode_reg (SImode, operands[2]); int align = INTVAL (operands[3]); - rtx len = force_reg (SImode, operands[1]); + rtx len = copy_to_mode_reg (SImode, operands[1]); if (! CONST_INT_P (operands[1])) return; |