diff options
Diffstat (limited to 'gcc/combine.c')
| -rwxr-xr-x | gcc/combine.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 5bc62d9..0317d14 100755 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -2903,14 +2903,6 @@ find_split_point (loc, insn) case SIGN_EXTEND: inner = XEXP (SET_SRC (x), 0); - - /* We can't optimize if either mode is a partial integer - mode as we don't know how many bits are significant - in those modes. */ - if (GET_MODE_CLASS (GET_MODE (inner)) == MODE_PARTIAL_INT - || GET_MODE_CLASS (GET_MODE (SET_SRC (x))) == MODE_PARTIAL_INT) - break; - pos = 0; len = GET_MODE_BITSIZE (GET_MODE (inner)); unsignedp = 0; @@ -3855,12 +3847,6 @@ simplify_rtx (x, op0_mode, last, in_dest) break; case TRUNCATE: - /* We can't handle truncation to a partial integer mode here - because we don't know the real bitsize of the partial - integer mode. */ - if (GET_MODE_CLASS (mode) == MODE_PARTIAL_INT) - break; - if (GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_WIDE_INT && TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (mode), GET_MODE_BITSIZE (GET_MODE (XEXP (x, 0))))) @@ -10495,7 +10481,6 @@ reversible_comparison_p (x) switch (GET_MODE_CLASS (GET_MODE (XEXP (x, 0)))) { case MODE_INT: - case MODE_PARTIAL_INT: case MODE_COMPLEX_INT: return 1; |