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| author | Tom Rix <trix@redhat.com> | 2002-04-22 23:20:12 +0000 |
|---|---|---|
| committer | Tom Rix <trix@gcc.gnu.org> | 2002-04-22 23:20:12 +0000 |
| commit | b7c89afe9000e63a1c0f3e8502624191e5a6135d (patch) | |
| tree | 3881fba225a555ff9b2c4eac61d4a9b10ff23adb /gcc | |
| parent | 6067f1feb2d3d76de19372a366baf3fd3b883505 (diff) | |
| download | gcc-b7c89afe9000e63a1c0f3e8502624191e5a6135d.zip gcc-b7c89afe9000e63a1c0f3e8502624191e5a6135d.tar.gz gcc-b7c89afe9000e63a1c0f3e8502624191e5a6135d.tar.bz2 | |
Generate constant for shift once.
From-SVN: r52644
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/expmed.c | 7 |
2 files changed, 7 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8e24141..b10f351 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2002-04-22 Tom Rix <trix@redhat.com> + + * expmed.c (init_expmed): Generate shifted constant once. + 2002-04-22 Zack Weinberg <zack@codesourcery.com> * c-lex.c (lex_charconst): Call convert to get constant in diff --git a/gcc/expmed.c b/gcc/expmed.c index 76b90fa..e60ccbf 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -144,19 +144,18 @@ init_expmed () for (m = 1; m < MAX_BITS_PER_WORD; m++) { + rtx c_int = GEN_INT ((HOST_WIDE_INT) 1 << m); shift_cost[m] = shiftadd_cost[m] = shiftsub_cost[m] = 32000; XEXP (SET_SRC (PATTERN (shift_insn)), 1) = GEN_INT (m); if (recog (PATTERN (shift_insn), shift_insn, &dummy) >= 0) shift_cost[m] = rtx_cost (SET_SRC (PATTERN (shift_insn)), SET); - XEXP (XEXP (SET_SRC (PATTERN (shiftadd_insn)), 0), 1) - = GEN_INT ((HOST_WIDE_INT) 1 << m); + XEXP (XEXP (SET_SRC (PATTERN (shiftadd_insn)), 0), 1) = c_int; if (recog (PATTERN (shiftadd_insn), shiftadd_insn, &dummy) >= 0) shiftadd_cost[m] = rtx_cost (SET_SRC (PATTERN (shiftadd_insn)), SET); - XEXP (XEXP (SET_SRC (PATTERN (shiftsub_insn)), 0), 1) - = GEN_INT ((HOST_WIDE_INT) 1 << m); + XEXP (XEXP (SET_SRC (PATTERN (shiftsub_insn)), 0), 1) = c_int; if (recog (PATTERN (shiftsub_insn), shiftsub_insn, &dummy) >= 0) shiftsub_cost[m] = rtx_cost (SET_SRC (PATTERN (shiftsub_insn)), SET); } |