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| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2001-12-05 11:49:24 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2001-12-05 06:49:24 -0500 |
| commit | 53b6fb26fcd1f4f399d1fa96053b9a6c108abc68 (patch) | |
| tree | e753933b95efa6a3b23841bc7778c126b17c74af /gcc | |
| parent | c24ae149dd6cec1b08f21d99c8db45fe9ba3f442 (diff) | |
| download | gcc-53b6fb26fcd1f4f399d1fa96053b9a6c108abc68.zip gcc-53b6fb26fcd1f4f399d1fa96053b9a6c108abc68.tar.gz gcc-53b6fb26fcd1f4f399d1fa96053b9a6c108abc68.tar.bz2 | |
function.c (keep_stack_depressed): Refine check for register clobbered over call.
* function.c (keep_stack_depressed): Refine check for register
clobbered over call.
From-SVN: r47664
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/function.c | 3 |
2 files changed, 5 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2476e32..2ef81af 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ Wed Dec 5 06:26:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + * function.c (keep_stack_depressed): Refine check for register + clobbered over call. + * expr.c (store_expr): When copying string constant into array, use functions that update memrefs instead of computations on addresses to better track MEMs. Also properly handle 32/64 pointers. diff --git a/gcc/function.c b/gcc/function.c index 653e2ab..3e7bf6e 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -7274,7 +7274,8 @@ keep_stack_depressed (seq) for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++) if (HARD_REGNO_MODE_OK (regno, Pmode) - && !fixed_regs[regno] && call_used_regs[regno] + && !fixed_regs[regno] + && TEST_HARD_REG_BIT (regs_invalidated_by_call, regno) && !FUNCTION_VALUE_REGNO_P (regno)) break; |