diff options
| author | dj <dj@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-05-24 00:46:59 +0000 |
|---|---|---|
| committer | dj <dj@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-05-24 00:46:59 +0000 |
| commit | a8651e7dedc2d25d8c39483e8215f17453dcfb26 (patch) | |
| tree | 3628615dff3fa623a5e493ef624ee543ace52f73 /gcc/config | |
| parent | 4de86a3cef94b549764890f8f0eb12e4a8c1b3cf (diff) | |
| download | gcc-a8651e7dedc2d25d8c39483e8215f17453dcfb26.tar.gz | |
* config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
for A24 to PSImode.
(m32c_address_cost): Detail costs for indirect offsets.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@135842 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/m32c/m32c.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/gcc/config/m32c/m32c.c b/gcc/config/m32c/m32c.c index 2e5558fd92d..697e42a7948 100644 --- a/gcc/config/m32c/m32c.c +++ b/gcc/config/m32c/m32c.c @@ -1099,7 +1099,8 @@ m32c_return_addr_rtx (int count) if (TARGET_A24) { - mode = SImode; + /* It's four bytes */ + mode = PSImode; offset = 4; } else @@ -2199,16 +2200,36 @@ m32c_rtx_costs (rtx x, int code, int outer_code, int *total) static int m32c_address_cost (rtx addr) { + int i; /* fprintf(stderr, "\naddress_cost\n"); debug_rtx(addr);*/ switch (GET_CODE (addr)) { case CONST_INT: - return COSTS_N_INSNS(1); + i = INTVAL (addr); + if (i == 0) + return COSTS_N_INSNS(1); + if (0 < i && i <= 255) + return COSTS_N_INSNS(2); + if (0 < i && i <= 65535) + return COSTS_N_INSNS(3); + return COSTS_N_INSNS(4); case SYMBOL_REF: - return COSTS_N_INSNS(3); + return COSTS_N_INSNS(4); case REG: - return COSTS_N_INSNS(2); + return COSTS_N_INSNS(1); + case PLUS: + if (GET_CODE (XEXP (addr, 1)) == CONST_INT) + { + i = INTVAL (XEXP (addr, 1)); + if (i == 0) + return COSTS_N_INSNS(1); + if (0 < i && i <= 255) + return COSTS_N_INSNS(2); + if (0 < i && i <= 65535) + return COSTS_N_INSNS(3); + } + return COSTS_N_INSNS(4); default: return 0; } |