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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2015-11-12 10:28:19 +0100 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@gcc.gnu.org> | 2015-11-12 10:28:19 +0100 |
| commit | b1a827517a7268706919eeef7960db247307feb0 (patch) | |
| tree | 678805cad6984eb97f4e2248db9840f6883d65ad | |
| parent | 3826795b8c5540f1ec3da2c5b67957f29cde4bef (diff) | |
| download | gcc-b1a827517a7268706919eeef7960db247307feb0.zip gcc-b1a827517a7268706919eeef7960db247307feb0.tar.gz gcc-b1a827517a7268706919eeef7960db247307feb0.tar.bz2 | |
arc.c (gen_compare_reg): Swap operands also when we do not expand to rtl.
2015-11-11 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.c (gen_compare_reg): Swap operands also when we
do not expand to rtl.
From-SVN: r230217
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/arc/arc.c | 16 |
2 files changed, 18 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d292656..dd5df90 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-11-12 Claudiu Zissulescu <claziss@synopsys.com> + + * config/arc/arc.c (gen_compare_reg): Swap operands also when we + do not expand to rtl. + 2015-11-12 Richard Biener <rguenther@suse.de> PR tree-optimization/58497 diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c index 85d53e4..8bb0969 100644 --- a/gcc/config/arc/arc.c +++ b/gcc/config/arc/arc.c @@ -1690,6 +1690,7 @@ gen_compare_reg (rtx comparison, machine_mode omode) { rtx op0 = gen_rtx_REG (cmode, 0); rtx op1 = gen_rtx_REG (cmode, GET_MODE_SIZE (cmode) / UNITS_PER_WORD); + bool swap = false; switch (code) { @@ -1698,15 +1699,19 @@ gen_compare_reg (rtx comparison, machine_mode omode) break; case LT: case UNGE: case LE: case UNGT: code = swap_condition (code); - tmp = x; - x = y; - y = tmp; + swap = true; break; default: gcc_unreachable (); } if (currently_expanding_to_rtl) { + if (swap) + { + tmp = x; + x = y; + y = tmp; + } emit_move_insn (op0, x); emit_move_insn (op1, y); } @@ -1714,6 +1719,11 @@ gen_compare_reg (rtx comparison, machine_mode omode) { gcc_assert (rtx_equal_p (op0, x)); gcc_assert (rtx_equal_p (op1, y)); + if (swap) + { + op0 = y; + op1 = x; + } } emit_insn (gen_cmp_float (cc_reg, gen_rtx_COMPARE (mode, op0, op1))); } |