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(num_sign_bit_copies): Return 1 on failure, not 0. 

Fix typo in last change; return 1 on failure, not BITWIDTH.

From-SVN: r2827
This commit is contained in:
Richard Kenner 1992-12-01 10:42:55 -05:00
parent 8a2d2f90c9
commit 6752e8d2a4
1 changed files with 2 additions and 2 deletions
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4
gcc/combine.c
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@ -6225,7 +6225,7 @@ num_sign_bit_copies (x, mode)
mode = GET_MODE (x);
if (mode == VOIDmode)
return 0;
return 1;
bitwidth = GET_MODE_BITSIZE (mode);
@ -6457,7 +6457,7 @@ num_sign_bit_copies (x, mode)
safely compute the mask for this mode, always return BITWIDTH. */
if (bitwidth > HOST_BITS_PER_WIDE_INT)
return bitwidth;
return 1;
sig = significant_bits (x, mode);
return sig == GET_MODE_MASK (mode) ? 1 : bitwidth - floor_log2 (sig) - 1;