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| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-04-06 12:33:51 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-04-06 12:33:51 +0000 |
| commit | 34d5a9ff634b1cafdd164cfe19e167b55084f6b8 (patch) | |
| tree | c416abeb9ad6bb503bbcc2e59bf1183a3059db11 | |
| parent | c20d7afb366e5d969858fcdcd4b5d5250fa3be91 (diff) | |
tcg: improve comment about pure functions
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7007 c046a42c-6fe2-441c-8c8c-71466251a162
| -rw-r--r-- | tcg/tcg.h | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -174,8 +174,8 @@ typedef int TCGv_i64; #define TCG_CALL_TYPE_REGPARM_1 0x0001 /* i386 style regparm call (1 reg) */ #define TCG_CALL_TYPE_REGPARM_2 0x0002 /* i386 style regparm call (2 regs) */ #define TCG_CALL_TYPE_REGPARM 0x0003 /* i386 style regparm call (3 regs) */ -/* A pure function only reads its arguments and globals variables and - cannot raise exceptions. Hence a call to a pure function can be +/* A pure function only reads its arguments and TCG globals variables + and cannot raise exceptions. Hence a call to a pure function can be safely suppressed if the return value is not used. */ #define TCG_CALL_PURE 0x0010 |