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| author | Tom de Vries <tom@codesourcery.com> | 2014-04-25 11:21:40 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2014-04-25 11:21:40 +0000 |
| commit | 97891c11e32537dfd2e4a4db1ca8d3eb541cf8aa (patch) | |
| tree | f619c8dfb45013f73d3a208c27aae9880becdeda /gcc/expr.h | |
| parent | 3ee634fd7b20399a1470db1a1e18d423ab761cf7 (diff) | |
Add clobber_reg
2014-04-25 Tom de Vries <tom@codesourcery.com>
* expr.c (clobber_reg_mode): New function.
* expr.h (clobber_reg): New function.
From-SVN: r209800
Diffstat (limited to 'gcc/expr.h')
| -rw-r--r-- | gcc/expr.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/expr.h b/gcc/expr.h index 524da6731a9..1823febac26 100644 --- a/gcc/expr.h +++ b/gcc/expr.h @@ -346,6 +346,7 @@ extern void copy_blkmode_from_reg (rtx, rtx, tree); /* Mark REG as holding a parameter for the next CALL_INSN. Mode is TYPE_MODE of the non-promoted parameter, or VOIDmode. */ extern void use_reg_mode (rtx *, rtx, enum machine_mode); +extern void clobber_reg_mode (rtx *, rtx, enum machine_mode); extern rtx copy_blkmode_to_reg (enum machine_mode, tree); @@ -356,6 +357,13 @@ use_reg (rtx *fusage, rtx reg) use_reg_mode (fusage, reg, VOIDmode); } +/* Mark REG as clobbered by the call with FUSAGE as CALL_INSN_FUNCTION_USAGE. */ +static inline void +clobber_reg (rtx *fusage, rtx reg) +{ + clobber_reg_mode (fusage, reg, VOIDmode); +} + /* Mark NREGS consecutive regs, starting at REGNO, as holding parameters for the next CALL_INSN. */ extern void use_regs (rtx *, int, int); |