The dollar was mostly flat Friday against major currencies amid renewed geopolitical tensions.
Trump warned of a possible major conflict with North Korea over its nuclear program but said he wanted a diplomatic solution.
The dollar index was 0.05 at 98.97, off a high of 99.12.
U.S. first Q1 GDP growth is expected to have slowed to 1.2% in the first quarter due to sluggish consumer spending.
The dollar edged lower against the yen as Japanese CPI came in below expectations in March.
The euro was steady against the dollar at below $1.09 as the ECB stood pat on policy.
The pound was near six-month highs around the $1.29 mark ahead of U.K. GDP data.
EU leaders are also due to meet this weekend to discuss their approach to Brexit talks
