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| author | John David Anglin <dave.anglin@nrc-cnrc.gc.ca> | 2004-12-28 07:51:17 +0000 |
|---|---|---|
| committer | John David Anglin <danglin@gcc.gnu.org> | 2004-12-28 07:51:17 +0000 |
| commit | 76335fefffd0708a102ae66e67b8d5e8c0ae6dac (patch) | |
| tree | 9e9f425e99237648c78a8836866bd571eb8cf073 /gcc/config/vax | |
| parent | 685c2171c1b55fdac1bd276c54d9bea41d872373 (diff) | |
| download | gcc-76335fefffd0708a102ae66e67b8d5e8c0ae6dac.zip gcc-76335fefffd0708a102ae66e67b8d5e8c0ae6dac.tar.gz gcc-76335fefffd0708a102ae66e67b8d5e8c0ae6dac.tar.bz2 | |
vax.c (vax_address_cost, [...]): Correct casts.
* vax.c (vax_address_cost, vax_rtx_cost): Correct casts.
(vax_rtx_cost): Handle small offsets for both PLUS and MINUS.
From-SVN: r92667
Diffstat (limited to 'gcc/config/vax')
| -rw-r--r-- | gcc/config/vax/vax.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/gcc/config/vax/vax.c b/gcc/config/vax/vax.c index da1b481..ca5fb6a 100644 --- a/gcc/config/vax/vax.c +++ b/gcc/config/vax/vax.c @@ -474,7 +474,7 @@ vax_address_cost_1 (register rtx addr) case CONST_INT: /* byte offsets cost nothing (on a VAX 2, they cost 1 cycle) */ if (offset == 0) - offset = (unsigned)(INTVAL(addr)+128) > 256; + offset = (unsigned HOST_WIDE_INT)(INTVAL(addr)+128) > 256; break; case CONST: case SYMBOL_REF: @@ -644,13 +644,13 @@ vax_rtx_costs_1 (register rtx x, enum rtx_code code, enum rtx_code outer_code) fmt = "e"; /* all constant rotate counts are short */ break; case PLUS: - /* Check for small negative integer operand: subl2 can be used with - a short positive constant instead. */ - if (GET_CODE (XEXP (x, 1)) == CONST_INT) - if ((unsigned)(INTVAL (XEXP (x, 1)) + 63) < 127) - fmt = "e"; case MINUS: c = (mode == DFmode) ? 13 : 8; /* 6/8 on VAX 9000, 16/15 on VAX 2 */ + /* Small integer operands can use subl2 and addl2. */ + if ((GET_CODE (XEXP (x, 1)) == CONST_INT) + && (unsigned HOST_WIDE_INT)(INTVAL (XEXP (x, 1)) + 63) < 127) + fmt = "e"; + break; case IOR: case XOR: c = 3; @@ -660,7 +660,7 @@ vax_rtx_costs_1 (register rtx x, enum rtx_code code, enum rtx_code outer_code) c = 3; if (GET_CODE (XEXP (x, 0)) == CONST_INT) { - if ((unsigned)~INTVAL (XEXP (x, 0)) > 63) + if ((unsigned HOST_WIDE_INT)~INTVAL (XEXP (x, 0)) > 63) c = 4; fmt = "e"; i = 1; @@ -713,7 +713,8 @@ vax_rtx_costs_1 (register rtx x, enum rtx_code code, enum rtx_code outer_code) switch (code) { case CONST_INT: - if ((unsigned)INTVAL (op) > 63 && GET_MODE (x) != QImode) + if ((unsigned HOST_WIDE_INT)INTVAL (op) > 63 + && GET_MODE (x) != QImode) c += 1; /* 2 on VAX 2 */ break; case CONST: |