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| author | Richard Sandiford <rsandifo@nildram.co.uk> | 2008-01-20 08:47:14 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2008-01-20 08:47:14 +0000 |
| commit | ecff8c1c5d2542c055f3ec12c58d94221e1745ec (patch) | |
| tree | 311263450a2a1fc8aa0a95115e1284b852ee0976 | |
| parent | f2d3cb2501aa64980e32b1ab6ef7179bf64a4dd5 (diff) | |
| download | gcc-ecff8c1c5d2542c055f3ec12c58d94221e1745ec.zip gcc-ecff8c1c5d2542c055f3ec12c58d94221e1745ec.tar.gz gcc-ecff8c1c5d2542c055f3ec12c58d94221e1745ec.tar.bz2 | |
global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per input.
gcc/
* global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
input.
From-SVN: r131676
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/global.c | 9 |
2 files changed, 12 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 28a4a54..4a327d4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk> + + * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per + input. + 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com> PR rtl-optimization/26854 diff --git a/gcc/global.c b/gcc/global.c index c805f57..b8a0ec7 100644 --- a/gcc/global.c +++ b/gcc/global.c @@ -1016,8 +1016,13 @@ find_reg (int num, HARD_REG_SET losers, int alt_regs_p, int accept_call_clobbere if (allocno[num].no_eh_reg) { unsigned int j; - for (j = 0; EH_RETURN_DATA_REGNO (j) != INVALID_REGNUM; j++) - SET_HARD_REG_BIT (used1, EH_RETURN_DATA_REGNO (j)); + for (j = 0; ; ++j) + { + unsigned int regno = EH_RETURN_DATA_REGNO (j); + if (regno == INVALID_REGNUM) + break; + SET_HARD_REG_BIT (used1, regno); + } } #endif |