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| author | rus <rus@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-11-09 20:58:24 +0000 |
|---|---|---|
| committer | rus <rus@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-11-09 20:58:24 +0000 |
| commit | 7f4db7c80779ecbc57d1146654daf0acfe18de66 (patch) | |
| tree | 3af522a3b5e149c3fd498ecb1255994daae2129a /gcc/expmed.c | |
| parent | 611349f0ec42a37591db2cd02974a11a48d10edb (diff) | |
| download | gcc-profile-stdlib.tar.gz | |
merge from trunkprofile-stdlib
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/profile-stdlib@154052 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/expmed.c')
| -rw-r--r-- | gcc/expmed.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index 98a99a2b5f1..8a5cf5054e7 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -5089,10 +5089,11 @@ make_tree (tree type, rtx x) default: t = build_decl (RTL_LOCATION (x), VAR_DECL, NULL_TREE, type); - /* If TYPE is a POINTER_TYPE, X might be Pmode with TYPE_MODE being - ptr_mode. So convert. */ + /* If TYPE is a POINTER_TYPE, we might need to convert X from + address mode to pointer mode. */ if (POINTER_TYPE_P (type)) - x = convert_memory_address (TYPE_MODE (type), x); + x = convert_memory_address_addr_space + (TYPE_MODE (type), x, TYPE_ADDR_SPACE (TREE_TYPE (type))); /* Note that we do *not* use SET_DECL_RTL here, because we do not want set_decl_rtl to go adjusting REG_ATTRS for this temporary. */ @@ -5497,9 +5498,13 @@ emit_store_flag (rtx target, enum rtx_code code, rtx op0, rtx op1, || (! HONOR_NANS (mode) && (code == LTGT || code == UNEQ)) || (! HONOR_SNANS (mode) && (code == EQ || code == NE)))) { + int want_add = ((STORE_FLAG_VALUE == 1 && normalizep == -1) + || (STORE_FLAG_VALUE == -1 && normalizep == 1)); + /* For the reverse comparison, use either an addition or a XOR. */ - if ((STORE_FLAG_VALUE == 1 && normalizep == -1) - || (STORE_FLAG_VALUE == -1 && normalizep == 1)) + if (want_add + && rtx_cost (GEN_INT (normalizep), PLUS, + optimize_insn_for_speed_p ()) == 0) { tem = emit_store_flag_1 (subtarget, rcode, op0, op1, mode, 0, STORE_FLAG_VALUE, target_mode); @@ -5508,7 +5513,9 @@ emit_store_flag (rtx target, enum rtx_code code, rtx op0, rtx op1, GEN_INT (normalizep), target, 0, OPTAB_WIDEN); } - else + else if (!want_add + && rtx_cost (trueval, XOR, + optimize_insn_for_speed_p ()) == 0) { tem = emit_store_flag_1 (subtarget, rcode, op0, op1, mode, 0, normalizep, target_mode); @@ -5595,9 +5602,13 @@ emit_store_flag (rtx target, enum rtx_code code, rtx op0, rtx op1, && GET_MODE_SIZE (mode) < UNITS_PER_WORD && op1 == const0_rtx)) { + int want_add = ((STORE_FLAG_VALUE == 1 && normalizep == -1) + || (STORE_FLAG_VALUE == -1 && normalizep == 1)); + /* Again, for the reverse comparison, use either an addition or a XOR. */ - if ((STORE_FLAG_VALUE == 1 && normalizep == -1) - || (STORE_FLAG_VALUE == -1 && normalizep == 1)) + if (want_add + && rtx_cost (GEN_INT (normalizep), PLUS, + optimize_insn_for_speed_p ()) == 0) { tem = emit_store_flag_1 (subtarget, rcode, op0, op1, mode, 0, STORE_FLAG_VALUE, target_mode); @@ -5605,7 +5616,9 @@ emit_store_flag (rtx target, enum rtx_code code, rtx op0, rtx op1, tem = expand_binop (target_mode, add_optab, tem, GEN_INT (normalizep), target, 0, OPTAB_WIDEN); } - else + else if (!want_add + && rtx_cost (trueval, XOR, + optimize_insn_for_speed_p ()) == 0) { tem = emit_store_flag_1 (subtarget, rcode, op0, op1, mode, 0, normalizep, target_mode); |